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Grimes County, TX
9 cities and towns and 7 ZIP codes in Grimes County, Texas.
Population
31,340
Land area
787sq mi
People per sq mi
40
ZIP codes
7
Cities and towns in Grimes County
Grimes County at a glance
- Grimes County is 66% less dense than Texas as a whole.
- The median household income is $69,803, 11% below the Texas median of $78,476.
- A typical owner-occupied home is valued at $237,400 (16% below Texas) and median rent is $1,069 a month.
- Its largest cities are Navasota (8,542), Plantersville (579) and Bedias (478).
Local data for Grimes County, TX
Counts from official public data
Housing and community stats
Grimes County, TX, American Community Survey 2020-2024
Median household income
$69,803
Poverty rate
14.6%
Median home value
$237,400
Prices +4.3% in a year
Median rent
$1,069/mo
Homeownership
79.9%
Bachelor's or higher
19.7%
Median age
40.1
Average commute
35.9 min
Largest reported origins and ancestries: Mexican Americans (7,337), German Americans (3,842), Irish Americans (2,258).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
5.0%
Aug 2026, 0.0 pts in a year
Average annual pay
$63,340
8,470 jobs, 2025
Income per person
$45,217
BEA, 2024
Federal spending
$205M
FY 2026, $6,994 per person
PPP loans
$51.34M
746 loans, 5,868 jobs reported
Campaign donations
$179K
Itemized, 2026 cycle
How people get to work
Grimes County, TX, workers 16 and older. American Community Survey 5-year estimates
- Drove alone79.1%
- Carpooled9.1%
- Public transit0.0%
- Walked1.4%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other2.1%
- Worked from home8.2%
Average one-way commute: 35.9 minutes for people who do not work from home.
Environment and hazard risk
Grimes County, TX, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: drought
Storm events since 1996
202
Most often thunderstorm wind
Flood insurance policies
197
2.0% of homes, county
July high / Jan low
95° / 38°F
44.1 inches of rain a year
Hazards, floods and storm historyCheck a flood zone3 historic places
Health statistics
Share of adults in Grimes County, TX, CDC PLACES estimates
Obesity
37.1%
U.S. 33.3% +3.8 pts
Diabetes
14.4%
U.S. 12.1% +2.3 pts
Smoking
15.7%
U.S. 12.8% +2.9 pts
Uninsured (18-64)
18.5%
U.S. 11.1% +7.4 pts
Cities, towns and ZIP codes in Grimes County
Population shown
Frequently asked questions
- What is the largest city in Grimes County, TX?
- Navasota is the largest city or town in Grimes County, with about 8,542 residents.
- How many ZIP codes are in Grimes County?
- Grimes County includes 7 ZIP Code Tabulation Areas, including 77363, 77830, 77831, 77861, 77868.
- What is the population of Grimes County, TX?
- About 31,340 people live in Grimes County, based on American Community Survey 5-year estimates.
- What counties border Grimes County?
- Grimes County borders Montgomery County, Brazos County, Walker County, Waller County, Washington County, Madison County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023