Hays County Flag

Hays County

State:
Texas
County Seat:
San Marcos

Hays County's estimated 2025 population is 302,361 with a growth rate of 3.54% in the past year according to the most recent United States census data. Hays County is the 19th largest county in Texas. The 2010 population was 158,086 and has seen a growth of 91.26% since that time.

302,361
Total Population
447
Population Density (mi²)
19
Population Rank (State)
10.3K 3.54%
Annual Population Growth

Hays County Population

Demographics

Economics and Income Statistics

Sources

  1. City and Town Population Totals: 2020-2024
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)