Katy demographics profile

Population density (sq mi)1,47811391
Median age35.634.237.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)64%56%55%
Families w/ Kids under 1845%48%43%
Speak English76%65%79%
Speak Spanish21%30%13%
Katy, TX has a population of 16,632 and is the 2,572nd largest city in the United States. The population density is 1,478 per sq mi which is 1208% higher than the Texas average and 1531% higher than the national average. The median age in Katy is 36 which is approximately 4% higher than the Texas average of 34. In Katy, 64% of the population over 15 years of age are married, 76% speak English and 21% speak Spanish. 57% of Katy residents were born in Texas, 27% were born out of state, 2% were born outside of the United States and 15% were foreign born.

Did you know?

  • The population density in Katy is 1208% higher than Texas.
  • The median age in Katy is 4% higher than Texas.
  • In Katy 86.63% of the population is White.
  • In Katy 7.31% of the population is Black or African American.
  • In Katy 1.53% of the population is Asian.

Compare Katy, TX Demographics To Other Cities


      Katy population breakdown by race

      Black or African American7.31%11.95%12.63%
      American Indian0.75%0.48%0.82%
      Native Hawaiian0.00%0.08%0.18%
      Mixed race1.49%2.50%3.06%
      Other race2.29%5.79%4.75%
      In Katy, 30.0% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Languages spoken

      Place of birth by citizenship

      Household income distribution

      Source of income

      Katy age breakdown

      Marital status

      Age of children in married couples

      Source: The Katy, TX demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).