Statistic Rock Falls Iowa National
Population 161 3,155,070 328,239,523
Population density (sq mi) 778 57 91
Median age 37.9 38.0 37.7
Male/Female ratio 1.0:1 1.0:1 1.0:1
Married (15yrs & older) 64% 60% 55%
Families w/ Kids under 18 47% 44% 43%
Speak English 97% 92% 79%
Speak Spanish 3% 4% 13%
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Demographics Quick Facts

  • The population density in Rock Falls is 1265% higher than Iowa
  • The median age in Rock Falls is equal to Iowa
  • In Rock Falls 98.14% of the population is White
  • In Rock Falls 0.00% of the population is Black
  • In Rock Falls 0.62% of the population is Asian

Compare Rock Falls, IA Demographics

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      Rock Falls racial demographics

      Race Rock Falls Iowa National
      White 98.14% 90.90% 73.35%
      Black 0.00% 3.32% 12.63%
      Asian 0.62% 2.14% 5.22%
      American Indian 0.00% 0.32% 0.82%
      Native Hawaiian 0.00% 0.08% 0.18%
      Mixed race 0.00% 1.97% 3.06%
      Other race 1.24% 1.27% 4.75%
      In Rock Falls, 1.2% 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

      Rock Falls age breakdown

      Marital status

      Age of children in married couples

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