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Grimes County, Texas

Grimes County profile, demographic data, and geographic information.

Grimes County is a county located in Texas, United States of America. As of official census estimates, it has a reported population of 34,252. The land area covers 787.47 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Grimes County
Official Title: Court Coodinator/administrative Asst
Address: PO BOX 160, ANDERSON TX 77830-0160

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 34,252 — 2025 / Census
Median Age 40.1 yrs ±0.6 2020-2024 / Census ACS 5-Year 2024
Total Households 10,255 ±451 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 12,349 ±295
Occupied Housing Units 10,255 ±451
Vacant Housing Units 2,094 ±344
Median Home Value $237,400 ±$16,183
Median Gross Rent $1,069 ±$123
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $69,803 ±$4,947
Per Capita Income $32,583 ±$5,443
Poverty Rate 14.6% ±3.2%
Population Below Poverty Level 4,044 ±894
Unemployment Rate 5.1% ±1.9%
Civilian Labor Force, Employed 12,075 ±851
Broadband Internet Rate 83.6% ±3.6%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at WASHINGTON SP, TX US, located 18.3 miles from Grimes County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 61.5° 38.3° 49.9° 3.53" 0.0"
February 65.4° 42.3° 53.8° 3.00" 0.0"
March 72.4° 49.4° 60.9° 3.31" 0.0"
April 78.9° 55.6° 67.3° 3.35" 0.0"
May 85.6° 64.6° 75.1° 4.70" 0.0"
June 91.4° 70.9° 81.1° 4.59" 0.0"
July 94.7° 73.0° 83.8° 2.23" 0.0"
August 96.4° 72.7° 84.5° 3.31" 0.0"
September 90.8° 67.0° 78.9° 3.82" 0.0"
October 82.3° 56.1° 69.2° 4.69" 0.0"
November 71.3° 46.9° 59.1° 3.98" 0.0"
December 63.5° 40.4° 52.0° 3.64" 0.0"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 48185. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.