Rock Falls demographics profile

StatisticRock FallsIowaNational
Population1503,106,589318,558,162
Population density (sq mi)7105591
Median age45.838.037.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)77%60%55%
Families w/ Kids under 1830%44%43%
Speak English99%92%79%
Speak Spanish1%4%13%
Rock Falls, IA has a population of 150 and is the 25,655th largest city in the United States. The population density is 710 per sq mi which is 1199% higher than the Iowa average and 683% higher than the national average. The median age in Rock Falls is 46 which is approximately 21% higher than the Iowa average of 38. In Rock Falls, 77% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 89% of Rock Falls residents were born in Iowa, 7% were born out of state, 0% were born outside of the United States and 3% were foreign born.

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Did you know?

  • The population density in Rock Falls is 1199% higher than Iowa.
  • The median age in Rock Falls is 21% higher than Iowa.
  • In Rock Falls 97.33% of the population is White.
  • In Rock Falls 0.00% of the population is Black or African American.
  • In Rock Falls 2.00% of the population is Asian.

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Compare Rock Falls, IA Demographics To Other Cities

Rock Falls population breakdown by race

RaceRock FallsIowaNational
White97.33%90.90%73.35%
Black or African American0.00%3.32%12.63%
Asian2.00%2.14%5.22%
American Indian0.00%0.32%0.82%
Native Hawaiian0.00%0.08%0.18%
Mixed race0.00%1.97%3.06%
Other race0.67%1.27%4.75%
In Rock Falls, 0.7% 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

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 2016 United States Census Bureau American Community Survey (ACS).