| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| La Center | city | Washington | United States | 45.86 | -122.67 | 124 | |
| La Conner | city | Washington | United States | 48.39 | -122.50 | 9 | |
| La Crosse | city | Washington | United States | 46.81 | -117.88 | 1669 | |
| La Grande | city | Washington | United States | 46.83 | -122.32 | 830 | |
| La Push | city | Washington | United States | 47.91 | -124.64 | 52 | |
| La Tierra Mobile Home Park | city | Washington | United States | 48.07 | -122.17 | 19 | |
| Lacamas | city | Washington | United States | 46.56 | -122.65 | 830 | |
| Lacey | city | Washington | United States | 47.03 | -122.82 | 200 | |
| Lackawanna Beach | city | Washington | United States | 47.65 | -122.91 | 0 | |
| Ladow | city | Washington | United States | 46.99 | -117.09 | 2637 | |
| Lago de Plata Villa Mobile Home Park | city | Washington | United States | 47.89 | -122.22 | 416 | |
| Laidlow | city | Washington | United States | 46.86 | -124.07 | 3 | |
| Laing | city | Washington | United States | 47.12 | -119.04 | 1669 | |
| Laird Mobile Home Park | city | Washington | United States | 48.48 | -122.32 | 29 | |
| Lairds | city | Washington | United States | 46.91 | -117.09 | 2598 | |
| Lake Bay | city | Washington | United States | 47.25 | -122.74 | 95 | |
| Lake Bosworth | city | Washington | United States | 48.05 | -121.97 | 830 | |
| Lake Bowman Mobile Home Park | city | Washington | United States | 47.25 | -122.17 | 830 | |
| Lake Cavanaugh | city | Washington | United States | 48.33 | -122.02 | 1010 | |
| Lake Chelan Hills | city | Washington | United States | 47.85 | -120.06 | 1135 | |
| Lake City | city | Washington | United States | 47.72 | -122.28 | 170 | |
| Lake City | city | Washington | United States | 47.15 | -122.55 | 298 | |
| Lake Desire | city | Washington | United States | 47.44 | -122.11 | 830 | |
| Lake Forest Park | city | Washington | United States | 47.76 | -122.28 | 75 | |
| Lake Goodwin | city | Washington | United States | 48.14 | -122.28 | 830 | |
| Lake Heights | city | Washington | United States | 47.56 | -122.18 | 285 | |
| Lake Hills | city | Washington | United States | 47.61 | -122.12 | 203 | |
| Lake Ketchum | city | Washington | United States | 48.28 | -122.34 | 219 | |
| Lake Ki Mobile Home Park | city | Washington | United States | 48.15 | -122.26 | 387 | |
| Lake Marcel | city | Washington | United States | 47.69 | -121.92 | 206 | |
| Lake McMurray | city | Washington | United States | 48.31 | -122.23 | 275 | |
| Lake Meridian Estates Mobile Home Park | city | Washington | United States | 47.37 | -122.16 | 400 | |
| Lake Money Smith Estates Mobile Home Park | city | Washington | United States | 47.29 | -122.13 | 400 | |
| Lake Morton | city | Washington | United States | 47.32 | -122.08 | 830 | |
| Lake Padden Estates Mobile Home Park | city | Washington | United States | 48.71 | -122.44 | 830 | |
| Lake Park | city | Washington | United States | 47.72 | -122.25 | 396 | |
| Lake Pleasant Mobile Home | city | Washington | United States | 48.06 | -124.36 | 393 | |
| Lake Roesiger | city | Washington | United States | 47.98 | -121.93 | 830 | |
| Lake Samish Terrace Mobile Home Park | city | Washington | United States | 48.67 | -122.40 | 360 | |
| Lake Shore | city | Washington | United States | 45.69 | -122.69 | 200 | |
| Lake Stevens | city | Washington | United States | 48.02 | -122.06 | 285 | |
| Lake Stickney | city | Washington | United States | 47.88 | -122.26 | 830 | |
| Lake Stickney Mobile Home Park | city | Washington | United States | 47.88 | -122.26 | 830 | |
| Lake Terrace Court Mobile Home Park | city | Washington | United States | 47.76 | -122.25 | 91 | |
| Lakebay | city | Washington | United States | 47.26 | -122.76 | 62 | |
| Lakedale | city | Washington | United States | 47.25 | -121.06 | 2509 | |
| Lakedale | city | Washington | United States | 48.57 | -123.08 | 200 | |
| Lakeland | city | Washington | United States | 47.31 | -122.28 | 403 | |
| Lakeland Village | city | Washington | United States | 47.55 | -117.70 | 2509 | |
| Lakeridge | city | Washington | United States | 47.51 | -122.24 | 203 | |
| Lakeshore | city | Washington | United States | 45.69 | -122.70 | 200 | |
| Lakeside | city | Washington | United States | 47.84 | -120.05 | 1689 | |
| Lakeside Mobile Home Park | city | Washington | United States | 48.63 | -118.12 | 1669 | |
| Lakeside Terrace Mobile Home Park | city | Washington | United States | 47.10 | -122.45 | 380 | |
| Lakeview | city | Washington | United States | 47.37 | -119.50 | 1233 | |
| Lakeview | city | Washington | United States | 47.16 | -122.50 | 301 | |
| Lakeview Mobile Home Park | city | Washington | United States | 48.00 | -122.09 | 265 | |
| Lakeview Park | city | Washington | United States | 47.38 | -119.51 | 1669 | |
| Lakeway | city | Washington | United States | 48.74 | -122.45 | 400 | |
| Lakeway Mobile Estates | city | Washington | United States | 48.74 | -122.46 | 219 | |
| Lakewood | city | Washington | United States | 48.15 | -122.21 | 141 | |
| Lakewood | city | Washington | United States | 47.17 | -122.52 | 262 | |
| Lakewood | city | Washington | United States | 47.56 | -122.27 | 45 | |
| Lakewood Mobile Home Park | city | Washington | United States | 47.76 | -122.25 | 91 | |
| Lakewood Villa Mobile Home Park | city | Washington | United States | 47.76 | -122.25 | 157 | |
| Lakota | city | Washington | United States | 47.33 | -122.37 | 141 | |
| Lamar | city | Washington | United States | 46.29 | -118.51 | 997 | |
| Lambert | city | Washington | United States | 45.78 | -122.68 | 308 | |
| Lamberts Corner | city | Washington | United States | 47.00 | -122.97 | 144 | |
| Lamoine | city | Washington | United States | 47.73 | -119.90 | 2696 | |
| Lamona | city | Washington | United States | 47.36 | -118.48 | 1998 | |
| Lamont | city | Washington | United States | 47.20 | -117.91 | 1994 | |
| Lamplighter Mobile Park | city | Washington | United States | 48.85 | -122.61 | 39 | |
| Lancaster | city | Washington | United States | 47.03 | -117.66 | 1998 | |
| Landsburg | city | Washington | United States | 47.37 | -121.97 | 830 | |
| Langdon | city | Washington | United States | 46.03 | -118.34 | 925 | |
| Langley | city | Washington | United States | 48.04 | -122.41 | 52 | |
| Lankner | city | Washington | United States | 46.91 | -123.32 | 200 | |
| Larchmont | city | Washington | United States | 47.17 | -122.43 | 387 | |
| Larimers Corner | city | Washington | United States | 47.89 | -122.14 | 180 | |
| Larsen Mobile Manor | city | Washington | United States | 48.83 | -122.54 | 59 | |
| Larson Mill | city | Washington | United States | 48.76 | -122.41 | 308 | |
| Latah | city | Washington | United States | 47.28 | -117.16 | 2598 | |
| Latona | city | Washington | United States | 47.48 | -122.30 | 387 | |
| Latona (historical) | city | Washington | United States | 47.65 | -122.32 | 19 | |
| Lauderdale Junction | city | Washington | United States | 47.20 | -120.71 | 2509 | |
| Lauer | city | Washington | United States | 47.23 | -118.73 | 1699 | |
| Laurel | city | Washington | United States | 45.94 | -121.38 | 1988 | |
| Laurel | city | Washington | United States | 48.86 | -122.49 | 88 | |
| Laurelhurst | city | Washington | United States | 47.66 | -122.28 | 157 | |
| Laurelwood Mobile Home Park | city | Washington | United States | 47.27 | -122.23 | 200 | |
| Laurelwood Valley Mobile Home Park | city | Washington | United States | 47.34 | -122.30 | 830 | |
| Laurier | city | Washington | United States | 49.00 | -118.22 | 1669 | |
| Lavender | city | Washington | United States | 47.20 | -121.11 | 2509 | |
| Lavilla | city | Washington | United States | 47.70 | -122.28 | 3 | |
| Lavista | city | Washington | United States | 47.14 | -117.71 | 1886 | |
| Lawrence | city | Washington | United States | 48.86 | -122.29 | 177 | |
| Laws Corner | city | Washington | United States | 45.75 | -121.43 | 1971 | |
| Lawters Beach | city | Washington | United States | 47.66 | -122.78 | 209 | |
| Lawton | city | Washington | United States | 47.66 | -122.40 | 200 | |
| Lawtonwood | city | Washington | United States | 47.67 | -122.41 | 200 | |
| Lazy Acres Mobile Home Park | city | Washington | United States | 48.17 | -117.05 | 2509 | |
| Lazy Acres Mobile Home Park | city | Washington | United States | 48.09 | -123.22 | 265 | |
| Lazy Wheels Mobile Park | city | Washington | United States | 47.76 | -122.20 | 200 | |
| Le Grow | city | Washington | United States | 46.17 | -118.83 | 830 | |
| Lea Hill | city | Washington | United States | 47.33 | -122.18 | 400 | |
| Leadpoint | city | Washington | United States | 48.91 | -117.59 | 2509 | |
| Leahy | city | Washington | United States | 47.92 | -119.39 | 2509 | |
| Leary | city | Washington | United States | 48.51 | -122.49 | 98 | |
| Leavenworth | city | Washington | United States | 47.60 | -120.66 | 1197 | |
| Lebam | city | Washington | United States | 46.56 | -123.55 | 255 | |
| Leber | city | Washington | United States | 46.95 | -122.33 | 830 | |
| Lee | city | Washington | United States | 46.36 | -118.56 | 1108 | |
| Leisure Estates Mobile Home Park | city | Washington | United States | 47.48 | -122.17 | 298 | |
| Leisure Manor Mobile Community | city | Washington | United States | 47.29 | -122.21 | 200 | |
| Leisure Manor Mobile Home Park | city | Washington | United States | 46.96 | -123.80 | 52 | |
| Leland | city | Washington | United States | 47.89 | -122.89 | 262 | |
| Lemolo | city | Washington | United States | 47.29 | -121.80 | 1669 | |
| Lemolo | city | Washington | United States | 47.71 | -122.62 | 3 | |
| Leon | city | Washington | United States | 46.53 | -117.04 | 2598 | |
| Lester | city | Washington | United States | 47.21 | -121.49 | 1935 | |
| Levering | city | Washington | United States | 46.78 | -119.96 | 830 | |
| Levey | city | Washington | United States | 46.28 | -118.84 | 367 | |
| Lewisville | city | Washington | United States | 45.81 | -122.52 | 396 | |
| Lexington | city | Washington | United States | 46.19 | -122.91 | 200 | |
| Liberty | city | Washington | United States | 47.25 | -120.67 | 3349 | |
| Liberty | city | Washington | United States | 46.36 | -120.15 | 830 | |
| Liberty Lake | city | Washington | United States | 47.65 | -117.09 | 2050 | |
| Liberty Village Mobile Home Park | city | Washington | United States | 48.06 | -122.17 | 19 | |
| Lichty | city | Washington | United States | 46.29 | -119.95 | 830 | |
| Lilliwaup | city | Washington | United States | 47.46 | -123.11 | 9 | |
| Limestone Junction | city | Washington | United States | 48.96 | -122.16 | 830 | |
| Lincoln | city | Washington | United States | 47.74 | -122.62 | 314 | |
| Lincoln | city | Washington | United States | 47.83 | -118.41 | 2509 | |
| Lind | city | Washington | United States | 46.97 | -118.62 | 1669 | |
| Lindseys Mobile Home Park | city | Washington | United States | 48.60 | -118.06 | 1669 | |
| Linkshire Market Mobile Home Park | city | Washington | United States | 46.97 | -123.72 | 200 | |
| Lisabeula | city | Washington | United States | 47.41 | -122.52 | 196 | |
| Littell | city | Washington | United States | 46.64 | -123.04 | 200 | |
| Little Boston | city | Washington | United States | 47.85 | -122.57 | 144 | |
| Little Cedars Mobile Home Park | city | Washington | United States | 47.02 | -122.36 | 830 | |
| Little Dalles (historical) | city | Washington | United States | 48.85 | -117.87 | 1958 | |
| Little Elkhorn | city | Washington | United States | 45.71 | -122.42 | 892 | |
| Little Falls | city | Washington | United States | 47.83 | -117.91 | 1669 | |
| Little Hoquiam | city | Washington | United States | 47.32 | -122.96 | 200 | |
| Little Mountain Estates Mobile Home Park | city | Washington | United States | 48.41 | -122.31 | 367 | |
| Little Oklahoma | city | Washington | United States | 48.04 | -123.31 | 1095 | |
| Littlerock | city | Washington | United States | 46.90 | -123.02 | 193 | |
| Livingston | city | Washington | United States | 45.69 | -122.45 | 387 | |
| Lochsloy | city | Washington | United States | 48.05 | -122.03 | 216 | |
| Locke | city | Washington | United States | 48.43 | -117.32 | 2080 | |
| Lockwood Village Mobile Home Park | city | Washington | United States | 47.78 | -122.25 | 196 | |
| Lofall | city | Washington | United States | 47.81 | -122.66 | 209 | |
| Log Cabin Mobile Home Park | city | Washington | United States | 48.40 | -119.54 | 856 | |
| Log Cabin Resort Mobile Home Park | city | Washington | United States | 48.27 | -118.38 | 2588 | |
| Loganberry Mobile Home Park | city | Washington | United States | 47.91 | -122.26 | 830 | |
| Lona Beach | city | Washington | United States | 48.20 | -122.45 | 0 | |
| Lone Cedar Mobile Home Park | city | Washington | United States | 47.18 | -122.24 | 144 | |
| Lone Pine | city | Washington | United States | 47.22 | -117.15 | 2598 | |
| Lone Pine | city | Washington | United States | 47.98 | -118.96 | 1154 | |
| Long | city | Washington | United States | 46.29 | -118.03 | 1669 | |
| Long Beach | city | Washington | United States | 46.35 | -124.05 | 6 | |
| Long Lake | city | Washington | United States | 47.84 | -117.85 | 1669 | |
| Longbranch | city | Washington | United States | 47.21 | -122.76 | 98 | |
| Longmire | city | Washington | United States | 46.75 | -121.81 | 2713 | |
| Longview | city | Washington | United States | 46.14 | -122.94 | 170 | |
| Longview (historical) | city | Washington | United States | 45.93 | -119.41 | 298 | |
| Longview Heights | city | Washington | United States | 46.18 | -122.96 | 830 | |
| Longview Junction | city | Washington | United States | 46.10 | -122.89 | 147 | |
| Loomis | city | Washington | United States | 48.82 | -119.63 | 1669 | |
| Loomis | city | Washington | United States | 46.44 | -124.05 | 19 | |
| Loon Lake | city | Washington | United States | 48.06 | -117.63 | 2509 | |
| Loon Lake Acres Mobile Home Park | city | Washington | United States | 48.07 | -117.63 | 2509 | |
| Loop Loop (historical) | city | Washington | United States | 48.45 | -119.71 | 3720 | |
| Lopez | city | Washington | United States | 48.52 | -122.91 | 19 | |
| Lost Creek | city | Washington | United States | 48.61 | -117.36 | 2080 | |
| Lost Lake Mobile Home Park | city | Washington | United States | 47.79 | -122.05 | 830 | |
| Loveland | city | Washington | United States | 47.06 | -122.41 | 403 | |
| Loveland Mobile Estates | city | Washington | United States | 47.07 | -122.41 | 403 | |
| Low Gap | city | Washington | United States | 46.99 | -119.79 | 1669 | |
| Lowden | city | Washington | United States | 46.06 | -118.59 | 830 | |
| Lowell | city | Washington | United States | 47.96 | -122.20 | 187 | |
| Lower Elwha | city | Washington | United States | 48.14 | -123.55 | 121 | |
| Lowman Beach Park | city | Washington | United States | 47.54 | -122.40 | 0 | |
| Loyal Heights | city | Washington | United States | 47.69 | -122.39 | 200 | |
| Luana Beach | city | Washington | United States | 47.40 | -122.39 | 36 | |
| Lucerne | city | Washington | United States | 47.64 | -122.22 | 200 | |
| Lucerne | city | Washington | United States | 48.20 | -120.59 | 1669 | |
| Lucia | city | Washington | United States | 45.84 | -122.43 | 830 | |
| Lummi | city | Washington | United States | 48.79 | -122.61 | 59 | |
| Lummi Island | city | Washington | United States | 48.72 | -122.69 | 0 | |
| Lyle | city | Washington | United States | 45.70 | -121.29 | 200 | |
| Lyman | city | Washington | United States | 48.53 | -122.06 | 104 | |
| Lynden | city | Washington | United States | 48.95 | -122.45 | 98 | |
| Lynnwood | city | Washington | United States | 47.82 | -122.32 | 400 | |
| Lynnwood Heights Mobile Home Park | city | Washington | United States | 47.85 | -122.29 | 830 | |
| Lynnwood Mobile Park | city | Washington | United States | 47.83 | -122.31 | 400 | |
| Lynwood Center | city | Washington | United States | 47.60 | -122.55 | 78 | |
| Lyons | city | Washington | United States | 47.68 | -117.58 | 2509 |