Grimes County, Texas
Located in Texas, Grimes County has a population of 31,340 residents and a median age of 40.1 years, making it the #1,436 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 14.6%. The median home value is $237,400, and the median household income is $69,803, which is 7% below the national median.
Demographics
Grimes County has a population of 31,340, making it the #1,436 most populous county in the US. The median age is 40.1 years, which is 3.1% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Grimes County is $69,803, ranking #1,208 out of 3,222 counties — 7.1% below the national median. The poverty rate is 14.6% and unemployment stands at 5.1%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Grimes County is $237,400 (-15.8% vs national). Renters pay a median of $1,069/mo and the homeownership rate is 79.9%.
Median Home Value Trend
Rankings →Household Type
Education
In Grimes County, 19.7% of adults age 25+ hold a bachelor's degree or higher, which is 41.5% below the national average, ranking #2,048 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Grimes County is 74.9 years. 23.4% of adults report poor or fair health and 19.7% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
18.6% of adults in Grimes County smoke , 41.6% are obese , and 19.8% report excessive drinking. The drug overdose death rate is 13.2 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Grimes County is 6.9 per 100,000 and the suicide rate is 22.4 per 100,000. Motor vehicle deaths occur at a rate of 26.5 per 100,000.
Homicide Rate Trend
Families & Children
20.9% of children in Grimes County live in poverty . The teen birth rate is 29.1 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Grimes County is 59.0%. The mean commute time is 38.4 min, which is 39.2% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Grimes County voted Republican with a margin of 60.2%. The vote was 19.5% Dem / 79.7% Rep. Compared to 2020, the margin shifted 7.0 toward Republicans .
Vote Share Over Time
About Grimes County, Texas
Grimes County, Texas has a total population of 31,340, making it the 1,436th most populous county in the United States. The median age in Grimes County is 40.1 years, which is 3.1% above the national median of 38.9 years.
The median household income in Grimes County is $69,803, which ranks #1,208 of 3,222 counties nationwide. This is 7.1% below the national median of $75,149. The poverty rate is 14.6%, higher than the national rate of 12.6%. The unemployment rate stands at 5.1%.
The median home value in Grimes County is $237,400, 15.8% below the national median. Renters in Grimes County pay a median gross rent of $1,069 per month. The homeownership rate is 79.9%, compared to the national rate of 64.4%.
In Grimes County, 19.7% of residents aged 25 and older hold a bachelor's degree or higher, 41.5% below the national average of 33.7%. Health insurance coverage stands at 81.7% of the population. The average commute time for workers is 38.4 min.
Grimes County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 56.8% of the population, followed by Hispanic or Latino (25.5%) and Black (non-Hispanic) (11.3%).
All data for Grimes County, Texas comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.