Waterloo, Iowa Population 2024

66,383

Waterloo Demographics

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

  • White: 70.62%
  • Black or African American: 17.67%
  • Two or more races: 4.92%
  • Other race: 2.75%
  • Asian: 2.66%
  • Native Hawaiian or Pacific Islander: 0.89%
  • Native American: 0.48%
State
Iowa
Land Area (mi²)
61.6 sq mi
Density (mi²)
1,077.70/sq mi
Growth Since 2020
-1.33% (-892)
The current population of Waterloo, Iowa is 66,383 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 67,275.

Population by Race

Race
Population
Percentage (of total)
White47,49970.62%
Black or African American11,88517.67%
Two or more races3,3124.92%
Other race1,8512.75%
Asian1,7902.66%
Native Hawaiian or Pacific Islander5960.89%
Native American3230.48%

White

Black or African American

Two or more races

Other race

Asian

Native Hawaiian or Pacific Islander

Native American

Waterloo Population by Race

Waterloo Population Pyramid 2024

Waterloo Median Age

36.7

Total

35.9

Male

37.6

Female

Waterloo Adults

There are 51,282 adults, (11,396 of whom are seniors) in Waterloo.

Waterloo Age Dependency

68.6

Age Dependency Ratio

28.6

Old Age Dependency Ratio

40

Child Dependency Ratio

Waterloo Sex Ratio

Female33,77350.22%
Male33,48349.78%

Waterloo Population by Age

Waterloo Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All28,9472.2960.839.2
Non Family12,4541.2147.952.1
Married10,9972.9883.516.5
Female3,9083.4145.454.6
Male1,5883.3142.357.7

2.97

Average Family Size

2.29

Average Household Size

60.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Waterloo Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2,5975.82%
Associates Degree4,61910.35%
Bachelors Degree7,04415.78%
Graduate Degree3,1907.15%
High School Graduate15,31134.3%
Less Than 9th Grade1,7163.84%
Some College10,16322.77%

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

Race
Total
High School
Bachelors
White33,74031,4698,542
Black6,6255,593964
Hispanic2,1251,521424
2+ Races1,3531,245297
Asian888637187
Other Race81950759
Islander24418413
Native American1611156

The highest rate of high school graduation is among white people with a rate of 93.27%.

The highest rate of bachelors degrees is among white people with a rate of 25.32%.

Waterloo Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$51,606$56,800$48,050
Graduate Degree$66,827$67,926$66,210
High School Graduate$33,454$37,484$30,497
Less Than 9th Grade$31,667$37,434$23,851
Overall$40,861$45,114$35,882
Some College$39,796$45,282$33,330

$40,861

Average Earnings

$45,114

Average Male

$35,882

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

87.13% of Waterloo residents speak only English, while 12.87% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 5.18% of the population.

Waterloo Language

Waterloo Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White44,8585,79612.92%
Black11,7153,66931.32%
Hispanic4,7851,10123.01%
Other1,84444524.13%
Multiple3,19042013.17%
Asian1,79027815.53%
Islander59625943.46%
Native3233912.07%

17.39%

Overall Poverty Rate

15.09%

Male Poverty Rate

19.66%

Female Poverty Rate

Poverty in Waterloo

The race most likely to be in poverty in Waterloo is Islander, with 43.46% below the poverty level.

The race least likely to be in poverty in Waterloo is Native, with 12.07% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.87%. Among those working part-time, it was 21.95%, and for those that did not work, the poverty rate was 25.13%.

Waterloo Poverty

rate

Rate
Poverty
Less Than 9th Grade30.32%
High School16.78%
Some College12.97%
Bachelors or Greater3.8%

Waterloo Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed36.68%
Male Unemployed27.69%
Female Employed11.08%
Male Employed7.35%

Waterloo Poverty Rate by Employment Status and Sex

Waterloo Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$70,173$89,671
Households$54,104$73,324
Married Families$86,734$-999,999,999
Non Families$36,049$46,822

mean

median

Income by Household Type

Waterloo Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

42.5%

Overall Marriage Rate

43.4%

Male Marriage Rate

41.6%

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

3,442

Number of Veterans

3,133

Male Veterans

309

Female Veterans

War
Veterans
Vietnam1,435
First Gulf War595
Second Gulf War494
Korea258
World War II76

Waterloo Veterans by War

count

Age Group
Veterans
75+940
65 to 74938
55 to 64753
35 to 54615
18 to 34196

Waterloo Veterans by Age

count

Name
Veterans
% of Total
White2,8737.37%
Black4405.56%
Hispanic1655.95%
Other Race888.34%
2+ Races342.08%
Asian70.63%

Waterloo Veterans by Race

Waterloo Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

10.43%

Veteran Poverty Rate

33.46%

Veteran Disability Rate

Waterloo Veterans by Education

LaborForceParticipation

65.2%

Labor Force Participation

60.5%

Employment Rate

7.1%

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

70.2%

Born in Waterloo

90.73%

Native Born

9.27%

Foreign Born

5.22%

Non Citizen

4.05%

Naturalized

Place of Birth

90.73% of Waterloo residents were born in the United States, with 70.2% having been born in Iowa. 5.22% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Waterloo Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202965,268-223-0.34%
202865,491-223-0.34%
202765,714-223-0.34%
202665,937-223-0.34%
202566,160-223-0.34%
202466,383-223-0.33%
202366,606810.12%
202266,525-372-0.56%
202166,897-378-0.56%
202067,275-126-0.19%
201967,401-312-0.46%
201867,713-60-0.09%
201767,773-366-0.54%
201668,139-506-0.74%
201568,645-48-0.07%
201468,693-19-0.03%
201368,7121700.25%
201268,542-12-0.02%
201168,554660.1%
201068,48800%
200068,7472,2803.43%
199066,467-9,518-12.53%
198075,9854520.6%
197075,5333,7785.27%
196071,7556,55710.06%
195065,19813,45526%
194051,7435,55212.02%
193046,1919,96127.49%
192036,2309,53735.73%
191026,69314,113112.19%
190012,5805,90688.49%
18906,6741,04418.54%
18805,6301,29329.81%
18704,337-60,931-93.36%

Waterloo Population by Year