Grimes County, Texas Demographics 2026

Population Overview

Grimes County is located in Texas with a total population of 30,385. It is the 95th most populous county out of 254 in Texas. The county encompasses 8 Census-designated places.

Age Demographics

The median age in Grimes County is 40.5 years. This is 14% higher than the state median of 35.5 years.

Economy, Income & Housing

The median household income in Grimes County is $67,080. This is 12% lower than the state median of $76,292. It is also 15% lower than the national median of $78,538. The poverty rate stands at 13.3%. This is 3% lower than the state poverty rate of 13.8%. The unemployment rate is 4.6%. This is 10% lower than the state rate of 5.1%. The median home value is $226,600. Housing costs are 13% lower than the state median of $260,400. The home-value-to-income ratio is 3.4x. 78.0% of occupied housing units are owner-occupied. This homeownership rate is 25% higher than the state average of 62.6%.

Race & Ethnicity

The largest racial or ethnic group in Grimes County is White (non-Hispanic), making up 56.8% of the population. Hispanic or Latino residents account for 25.3%. The Asian population (0.4%) is well below the state average of 5.3%.

Education

19.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 41% lower than the state rate of 33.1%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 82.0%.

Data Sources & Methodology

All figures for Grimes County come from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023), with comparisons drawn against Texas and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.