CITY · 1990 CENSUS
Waterloo
Iowa · 66,467 residents · 61.595 sq mi
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The short version
Waterloo has lower-than-average household income, with a median household income of $23,578. Population has declined 3% since 2000. Median home value is $39,500.
At a glance
Lower income
below the US median
US median: $30,130
Mid-age
median age 34.8
US median: 33.0
Less educated
14% hold a bachelor's degree
US average: 20%
More affordable
home values down 18%, inflation adjusted
US median home: $93,722
Section 01
Population & growth
Population, 1990 – 2024
202467K
Age distribution, 1990
Under 57.1%(4,735)
5 to 97.8%(5,163)
10 to 147.3%(4,874)
15 to 196.5%(4,328)
20 to 246.6%(4,380)
25 to 3415%(9,942)
35 to 4414.8%(9,841)
45 to 549.9%(6,598)
55 to 649.3%(6,199)
65 to 749%(5,954)
75 to 845.1%(3,373)
85 and over1.6%(1,080)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$23,578
−9%inflation adjusted, since 2000
vs $34,092 in 2000
US average: $30,130
1990 – 2024
Section 03
Housing
$39,500
−18%inflation adjusted, since 2000
vs $63,800 in 2000
US average: $93,722
1990 – 2024
RELATED:See current rent listings in Waterloo on RentDataNow
Section 04
Race & ethnicity
2000
White, non-Hispanic80.6%(55,419)
Black13.8%(9,468)
Hispanic / Latino2.6%(1,806)
Asian0.8%(581)
Other0%
1990
White, non-Hispanic86.8%(57,695)
Black12.2%(8,077)
Hispanic / Latino0.8%(503)
Asian0.6%(377)
Other0.5%(318)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry
Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
Mexican4.7%(3,161)
Central American2.1%(1,436)
Guatemalan1.6%(1,056)
Puerto Rican0.6%(386)
Cuban0.3%(187)
Costa Rican0.2%(140)
Salvadoran0.2%(119)
Dominican0.2%(111)
Honduran0.1%(83)
South American0.1%(75)
Peruvian0.1%(75)
Spaniard0.1%(51)
+ 2 more hispanic origin groups with data
Panamanian0%(33)
Nicaraguan0%(5)
Asian origin
Burmese1.8%(1,195)
Vietnamese0.5%(315)
Asian Indian0.3%(179)
Filipino0.2%(167)
Chinese0.2%(135)
Korean0.1%(93)
Laotian0%(19)
Ancestry
German23.4%(15,694)
Irish9.9%(6,652)
English6.9%(4,603)
American4.8%(3,221)
Norwegian2.9%(1,919)
Subsaharan African2.1%(1,395)
French1.4%(924)
Danish1.3%(899)
Dutch1.3%(891)
Italian1.3%(846)
Czech1.1%(755)
Scottish1%(672)
+ 31 more ancestry groups with data
Swedish0.9%(598)
Scotch-Irish0.6%(381)
West Indian0.5%(336)
Polish0.5%(312)
Welsh0.5%(312)
Haitian0.4%(283)
Greek0.2%(164)
Belgian0.2%(144)
Swiss0.2%(123)
Russian0.1%(94)
French Canadian0.1%(92)
British0.1%(89)
Ghanaian0.1%(66)
Serbian0.1%(64)
Croatian0.1%(56)
Arab0.1%(34)
Austrian0.1%(34)
Bulgarian0%(31)
Trinidadian & Tobagonian0%(27)
Brazilian0%(26)
Jamaican0%(26)
Hungarian0%(25)
Somali0%(24)
Finnish0%(23)
Slovak0%(19)
Ethiopian0%(18)
Canadian0%(16)
Syrian0%(14)
Iranian0%(14)
Lithuanian0%(9)
Moroccan0%(6)
Section 05
Education
High school or higher
77.9%
−5.9 ptsvs 2000
vs 83.8% in 2000
US average: 75.2%
Section 06
Commute & transportation
Section 07
Work & employment
No data for the years selected.
Section 08
People & community
No data for the years selected.
Marital status (2024)
Men 15+
Never married41.5%(10,805)
Married44.8%(11,664)
Widowed2.6%(683)
Divorced11%(2,858)
Women 15+
Never married35.4%(9,629)
Married42.8%(11,629)
Widowed8.3%(2,262)
Divorced13.5%(3,667)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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WATERLOO VS
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WATERLOO VS
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WATERLOO VS
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Frequently asked
How many people live in Waterloo, Iowa?
Waterloo, Iowa has about 66,467 residents according to the 1990 Census.
What is the median household income in Waterloo, Iowa?
The typical household in Waterloo, Iowa earns about $23,578 a year. Half of households make more than that, and half make less.
Is Waterloo, Iowa expensive?
In Waterloo, Iowa, the median home is worth about $39,500, and the typical rent is about $326 a month.
How educated are people in Waterloo, Iowa?
About 14.1% of adults age 25 and over in Waterloo, Iowa hold a bachelor's degree or higher.
What is the poverty rate in Waterloo, Iowa?
About 16.9% of people in Waterloo, Iowa live below the federal poverty line.
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IowaDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024