| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| I B Avila Colonia | city | Texas | United States | 26.15 | -98.06 | 75 | |
| Iago | city | Texas | United States | 29.28 | -95.96 | 78 | |
| Iatan | city | Texas | United States | 32.34 | -101.13 | 2509 | |
| Ida | city | Texas | United States | 33.58 | -96.49 | 830 | |
| Idalou | city | Texas | United States | 33.67 | -101.68 | 3349 | |
| Idyle Hour Acres | city | Texas | United States | 30.43 | -97.68 | 830 | |
| Idylwood | city | Texas | United States | 29.72 | -95.31 | 22 | |
| Iglehart | city | Texas | United States | 30.26 | -97.71 | 830 | |
| Ignacio Perez Colonia | city | Texas | United States | 26.18 | -98.11 | 91 | |
| Ike | city | Texas | United States | 28.39 | -98.15 | 147 | |
| Ike | city | Texas | United States | 32.40 | -96.77 | 830 | |
| Illinois Bend | city | Texas | United States | 33.88 | -97.49 | 862 | |
| Illinois Heights Colonia | city | Texas | United States | 25.94 | -97.42 | 16 | |
| Impact | city | Texas | United States | 32.50 | -99.75 | 1679 | |
| Imperial | city | Texas | United States | 31.27 | -102.69 | 2509 | |
| Imperial Colonia | city | Texas | United States | 26.30 | -98.04 | 72 | |
| Imperial Colonia | city | Texas | United States | 31.27 | -102.70 | 2509 | |
| Imperial Estates | city | Texas | United States | 29.54 | -95.20 | 22 | |
| Imperial Gardens | city | Texas | United States | 29.52 | -95.20 | 22 | |
| Imperial Valley | city | Texas | United States | 29.92 | -95.41 | 85 | |
| Inadale | city | Texas | United States | 32.54 | -100.68 | 2509 | |
| Inari | city | Texas | United States | 28.51 | -97.05 | 59 | |
| Independence | city | Texas | United States | 30.32 | -96.35 | 347 | |
| India | city | Texas | United States | 32.53 | -96.62 | 830 | |
| Indian Creek | city | Texas | United States | 31.52 | -98.98 | 1669 | |
| Indian Gap | city | Texas | United States | 31.66 | -98.41 | 1669 | |
| Indian Hills | city | Texas | United States | 31.03 | -93.76 | 347 | |
| Indian Hills | city | Texas | United States | 26.21 | -97.92 | 75 | |
| Indian Hot Springs | city | Texas | United States | 30.83 | -105.32 | 3349 | |
| Indian Lake | city | Texas | United States | 26.09 | -97.50 | 22 | |
| Indian Rock | city | Texas | United States | 32.71 | -94.87 | 318 | |
| Indian Springs | city | Texas | United States | 30.70 | -94.75 | 364 | |
| Indian Trails Lane Colonia | city | Texas | United States | 27.87 | -97.19 | 19 | |
| Indianola | city | Texas | United States | 28.51 | -96.49 | 3 | |
| Indio | city | Texas | United States | 29.72 | -104.54 | 2644 | |
| Indio Number 1 Colonia | city | Texas | United States | 26.56 | -99.09 | 344 | |
| Indio Number 2 Colonia | city | Texas | United States | 26.56 | -99.10 | 344 | |
| Industry | city | Texas | United States | 29.97 | -96.50 | 318 | |
| Inez | city | Texas | United States | 28.90 | -96.79 | 62 | |
| Ingle-Doolittle Colonia | city | Texas | United States | 26.38 | -98.11 | 75 | |
| Ingleside | city | Texas | United States | 27.88 | -97.21 | 16 | |
| Ingleside On-the-Bay | city | Texas | United States | 27.83 | -97.22 | 9 | |
| Ingram | city | Texas | United States | 30.08 | -99.24 | 1699 | |
| Inspiration Colonia | city | Texas | United States | 26.28 | -98.34 | 173 | |
| Inspiration Heights Colonia | city | Texas | United States | 26.29 | -98.34 | 177 | |
| Inspiration Point Colonia | city | Texas | United States | 26.32 | -98.33 | 180 | |
| Inspiration Rd Number 1 Colonia | city | Texas | United States | 26.29 | -98.34 | 170 | |
| Inspiration Rd Number 2 Colonia | city | Texas | United States | 26.29 | -98.34 | 170 | |
| Inspiration Rd Number 3 Colonia | city | Texas | United States | 26.29 | -98.34 | 170 | |
| Intercontinental Village | city | Texas | United States | 29.99 | -95.25 | 78 | |
| Inwood | city | Texas | United States | 32.93 | -96.82 | 830 | |
| Inwood Forest | city | Texas | United States | 29.88 | -95.47 | 82 | |
| Inwood Park | city | Texas | United States | 29.99 | -95.73 | 154 | |
| Inwood Pines | city | Texas | United States | 29.87 | -95.46 | 85 | |
| Inwood Terrace | city | Texas | United States | 29.67 | -95.35 | 42 | |
| Inwood West | city | Texas | United States | 29.89 | -95.49 | 91 | |
| Iola | city | Texas | United States | 30.77 | -96.07 | 347 | |
| Iolanthe (historical) | city | Texas | United States | 32.05 | -101.02 | 2509 | |
| Iona | city | Texas | United States | 32.68 | -97.55 | 1000 | |
| Iowa Colony | city | Texas | United States | 29.48 | -95.42 | 52 | |
| Iowa Park | city | Texas | United States | 33.95 | -98.67 | 1017 | |
| Ira | city | Texas | United States | 32.58 | -101.00 | 2509 | |
| Iraan | city | Texas | United States | 30.91 | -101.90 | 2509 | |
| Irby | city | Texas | United States | 33.18 | -99.52 | 1669 | |
| Iredell | city | Texas | United States | 31.99 | -97.87 | 941 | |
| Ireland | city | Texas | United States | 31.57 | -97.97 | 1049 | |
| Irene | city | Texas | United States | 31.99 | -96.87 | 830 | |
| Ironosa | city | Texas | United States | 31.61 | -94.24 | 360 | |
| Ironton | city | Texas | United States | 31.92 | -95.37 | 830 | |
| Irving | city | Texas | United States | 32.81 | -96.95 | 830 | |
| Irvingas | city | Texas | United States | 32.81 | -96.95 | 830 | |
| Irwin | city | Texas | United States | 36.19 | -102.31 | 4189 | |
| Isaacs Colonia | city | Texas | United States | 26.26 | -98.09 | 82 | |
| Iser | city | Texas | United States | 31.37 | -105.92 | 3667 | |
| Isla | city | Texas | United States | 31.49 | -106.21 | 3612 | |
| Isla | city | Texas | United States | 31.51 | -93.85 | 249 | |
| Islitas | city | Texas | United States | 27.67 | -99.65 | 830 | |
| Ismael Montalvo Colonia Number 1 | city | Texas | United States | 26.02 | -97.63 | 36 | |
| Ismael Montalvo Colonia Number 2 | city | Texas | United States | 26.03 | -97.63 | 36 | |
| Israel | city | Texas | United States | 30.74 | -94.89 | 344 | |
| Italy | city | Texas | United States | 32.18 | -96.88 | 830 | |
| Itasca | city | Texas | United States | 32.16 | -97.15 | 830 | |
| Iuka | city | Texas | United States | 29.05 | -98.74 | 830 | |
| Ivan | city | Texas | United States | 32.87 | -98.73 | 1141 | |
| Ivanhoe | city | Texas | United States | 33.71 | -96.14 | 830 | |
| Izoro | city | Texas | United States | 31.29 | -98.08 | 1669 |