Waterloo demographics profile

Population density (sq mi)8818791
Median age37.339.137.7
Male/Female ratio1.1:11.0:11.0:1
Married (15yrs & older)59%57%55%
Families w/ Kids under 1843%43%43%
Speak English88%91%79%
Speak Spanish10%5%13%
Waterloo, WI has a population of 3,341 and is the 8,281st largest city in the United States. The population density is 881 per sq mi which is 907% higher than the Wisconsin average and 872% higher than the national average. The median age in Waterloo is 37 which is approximately 5% lower than the Wisconsin average of 39. In Waterloo, 59% of the population over 15 years of age are married, 88% speak English and 10% speak Spanish. 78% of Waterloo residents were born in Wisconsin, 13% were born out of state, 0% were born outside of the United States and 9% were foreign born.
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Did you know?

  • The population density in Waterloo is 907% higher than Wisconsin.
  • The median age in Waterloo is 5% lower than Wisconsin.
  • In Waterloo 94.73% of the population is White.
  • In Waterloo 0.00% of the population is Black or African American.
  • In Waterloo 0.30% of the population is Asian.

Compare Waterloo, WI Demographics To Other Cities

Waterloo population breakdown by race

Black or African American0.00%6.29%12.63%
American Indian0.00%0.89%0.82%
Native Hawaiian0.00%0.02%0.18%
Mixed race1.53%2.19%3.06%
Other race3.44%1.83%4.75%
In Waterloo, 14.9% 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

Waterloo age breakdown

Marital status

Age of children in married couples

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