| Name | Grimes County |
| State | Texas |
| FIPS Code | 48185 |
| County Seat | Anderson |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 32,527 |
| Population Growth Rate(2020-2024) | 9.93% |
| Majority Ethnicity | White 62.57% |
| Public School Majority Ethnicity | Hispanic 43% |
| Partisan Voting Index | Strongly Republican:+30 |
| Unemployment Rate (May 2026) | 4.8% |
| Area Code(s) | 936 / 979 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 62.57% |
| African American | 11.51% |
| Hispanic | 24.93% |
| Asian | 0.4% |
| Native American | 0.52% |
| Hawaiin/Pacific Islander | 0.07% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 41.26% |
| African American | 12.32% |
| Hispanic | 43.4% |
| Asian | 0.36% |
| Native American | 0.13% |
| Hawaiin/Pacific Islander | 0.16% |