Statistic Washington Iowa National
Population 7,318 3,155,070 328,239,523
Population density (sq mi) 1,372 57 91
Median age 40.5 38.0 37.7
Male/Female ratio 0.8:1 1.0:1 1.0:1
Married (15yrs & older) 56% 60% 55%
Families w/ Kids under 18 48% 44% 43%
Speak English 90% 92% 79%
Speak Spanish 8% 4% 13%
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Demographics Quick Facts

  • The population density in Washington is 2307% higher than Iowa
  • The median age in Washington is 7% higher than Iowa
  • In Washington 90.01% of the population is White
  • In Washington 1.57% of the population is Black
  • In Washington 1.04% of the population is Asian

Compare Washington, IA Demographics

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      Washington population breakdown by race

      Race Washington Iowa National
      White 90.01% 90.90% 73.35%
      Black 1.57% 3.32% 12.63%
      Asian 1.04% 2.14% 5.22%
      American Indian 0.34% 0.32% 0.82%
      Native Hawaiian 0.00% 0.08% 0.18%
      Mixed race 2.05% 1.97% 3.06%
      Other race 4.99% 1.27% 4.75%
      In Washington, 9.2% 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

      Washington age breakdown

      Marital status

      Age of children in married couples

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