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Hays County, Texas

Hays County profile, demographic data, and geographic information.

Hays County is a county located in Texas, United States of America. As of official census estimates, it has a reported population of 304,390. The land area covers 676.86 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Hays County
Official Title: Director--development Services
Address: PO BOX 1006, SAN MARCOS TX 78666-5534

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 304,390 — 2025 / Census
Median Age 34.1 yrs ±0.2 2020-2024 / Census ACS 5-Year 2024
Total Households 99,849 ±744 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 104,675 ±270
Occupied Housing Units 99,849 ±744
Vacant Housing Units 4,826 ±652
Median Home Value $399,800 ±$10,271
Median Gross Rent $1,495 ±$39
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $89,097 ±$2,532
Per Capita Income $44,565 ±$1,186
Poverty Rate 12.1% ±0.9%
Population Below Poverty Level 31,591 ±2,368
Unemployment Rate 4.4% ±0.6%
Civilian Labor Force, Employed 140,594 ±1,864
Broadband Internet Rate 92.9% ±0.9%
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 DRIPPING SPRINGS 6 E, TX US, located 11.2 miles from Hays County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 60.4° 38.9° 49.7° 2.65" 0.0"
February 64.6° 42.9° 53.7° 2.10" 0.2"
March 71.8° 49.3° 60.5° 2.86" 0.0"
April 78.9° 56.2° 67.6° 2.61" 0.0"
May 84.8° 64.1° 74.5° 4.29" 0.0"
June 91.0° 70.1° 80.6° 3.68" 0.0"
July 94.2° 72.3° 83.2° 2.10" 0.0"
August 95.4° 71.8° 83.6° 2.11" 0.0"
September 88.8° 66.1° 77.4° 3.65" 0.0"
October 79.8° 57.5° 68.6° 3.97" 0.0"
November 68.7° 47.7° 58.2° 2.94" 0.0"
December 61.4° 40.6° 51.0° 2.74" 0.1"
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: 48209. • 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.