Waterloo, Wisconsin Population 2024

3,764

Waterloo is a city located in Jefferson County Wisconsin. Waterloo has a 2024 population of 3,764. Waterloo is currently growing at a rate of 1.84% annually and its population has increased by 7.79% since the most recent census, which recorded a population of 3,492 in 2020.

The average household income in Waterloo is $76,902 with a poverty rate of 18.29%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Waterloo is 40.9 years, 32.8 years for males, and 43.7 years for females.

Waterloo Demographics

According to the most recent ACS, the racial composition of Waterloo was:

  • White: 86.9%
  • Two or more races: 10.77%
  • Native American: 1.4%
  • Other race: 0.63%
  • Asian: 0.31%
  • Black or African American: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
3.8 sq mi
Density (mi²)
987.90/sq mi
Growth Since 2020
7.79% (272)
The current population of Waterloo, Wisconsin is 3,764 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 3,492.

Waterloo, Wisconsin Population 2024

Population by Race

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Race
Population
Percentage (of total)
White3,05186.9%
Two or more races37810.77%
Native American491.4%
Other race220.63%
Asian110.31%
Black or African American00%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Native American

Other race

Asian

Black or African American

Native Hawaiian or Pacific Islander

Waterloo Population by Race

Waterloo Population Pyramid 2024

Waterloo Median Age

40.9

Total

32.8

Male

43.7

Female

Waterloo Adults

There are 2,683 adults, (528 of whom are seniors) in Waterloo.

Waterloo Age Dependency

62.9

Age Dependency Ratio

24.5

Old Age Dependency Ratio

38.4

Child Dependency Ratio

Waterloo Sex Ratio

Female1,67247.62%
Male1,83952.38%

Waterloo Population by Age

Waterloo Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,5572.2468.831.2
Married6192.6486.313.7
Non Family5771.2265.234.8
Female2443.3447.152.9
Male1172.8239.360.7

2.71

Average Family Size

2.24

Average Household Size

68.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Waterloo Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Waterloo Educational Attainment by Sex (over 25)

Waterloo Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 96.98%.

The highest rate of bachelors degrees is among white people with a rate of 26.02%.

Waterloo Educational Attainment by Race

All

Male

Female

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$50,087

Average Earnings

$56,352

Average Male

$43,276

Average Female

Waterloo Earnings by Educational Attainment

Waterloo Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Waterloo Language

96.4% of Waterloo residents speak only English, while 3.6% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.37% of the population.

Waterloo Language

Waterloo Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White2,94557619.56%
Hispanic2515019.92%
Multiple378133.44%

18.29%

Overall Poverty Rate

12.9%

Male Poverty Rate

24.16%

Female Poverty Rate

Poverty in Waterloo

The race most likely to be in poverty in Waterloo is Hispanic, with 19.92% below the poverty level.

The race least likely to be in poverty in Waterloo is Multiple, with 3.44% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.52%. Among those working part-time, it was 8.16%, and for those that did not work, the poverty rate was 39.36%.

Waterloo Poverty

rate

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Rate
Poverty
High School18.74%
Some College17.38%
Less Than 9th Grade6.43%
Bachelors or Greater3.13%

Waterloo Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed100%
Female Unemployed100%
Female Employed5.33%
Male Employed0.7%

Waterloo Poverty Rate by Employment Status and Sex

Waterloo Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Waterloo Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

48.6%

Overall Marriage Rate

46.0%

Male Marriage Rate

51.4%

Female Marriage Rate

Waterloo Married by Age and Sex

male

female

Waterloo Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Waterloo Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Waterloo Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

202

Number of Veterans

202

Male Veterans

0

Female Veterans

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Waterloo Veterans by War

count

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Waterloo Veterans by Age

count

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Waterloo Veterans by Race

Waterloo Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

31.68%

Veteran Disability Rate

Waterloo Veterans by Education

LaborForceParticipation

72%

Labor Force Participation

69.2%

Employment Rate

3.5%

Unemployment Rate

Waterloo Employment by Age

LaborForceParticipation

Waterloo Employment by Race

LaborForceParticipation

Waterloo Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

76.87%

Born in Waterloo

97.64%

Native Born

2.36%

Foreign Born

2.05%

Non Citizen

0.31%

Naturalized

Place of Birth

97.64% of Waterloo residents were born in the United States, with 76.87% having been born in Wisconsin. 2.05% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Waterloo Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20294,104681.68%
20284,036681.71%
20273,968681.74%
20263,900681.77%
20253,832681.81%
20243,764681.84%
20233,696681.87%
20223,6281363.89%
20213,49200%
20203,4921554.64%
20193,337-19-0.57%
20183,356140.42%
20173,34210.03%
20163,341-8-0.24%
20153,349-4-0.12%
20143,353-8-0.24%
20133,36120.06%
20123,359160.48%
20113,34340.12%
20103,33900%
20003,25954720.17%
19902,712-1,392-33.92%

Waterloo Population by Year