Population density (sq mi)2,2462291
Median age29.635.737.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)55%60%55%
Families w/ Kids under 1854%45%43%
Speak English73%89%79%
Speak Spanish26%8%13%

Key findings

  • The population density in Caldwell is 10111% higher than Idaho
  • The median age in Caldwell is 17% lower than Idaho
  • In Caldwell 87.65% of the population is White
  • In Caldwell 0.67% of the population is Black
  • In Caldwell 0.80% of the population is Asian

Compare Caldwell, ID Demographics


      Caldwell population breakdown by race

      American Indian1.30%1.31%0.82%
      Native Hawaiian0.00%0.12%0.18%
      Mixed race3.01%2.57%3.06%
      Other race6.57%2.74%4.75%
      In Caldwell, 36.1% 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.

      Household income distribution

      Place of birth by citizenship

      Caldwell age breakdown

      Marital status

      Age of children in married couples

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