With 67,008 people, Waterloo is a city in Iowa. Four-year degrees are less common here than nationally, at 22% of adults. The typical home is worth $152,600, having more than doubled since 2000. The average commute runs 16 minutes. That trails the Iowa median by roughly 23%. Renters pay $923 a month at the median.
At a glance
Lower income
median household income $57,480, below the US median
US median: $82,259
Younger
median age 36.7
US median: 38.9
Less educated
22% hold a bachelor's degree
US average: 36%
Less affordable
home values up 31%, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Waterloo
What changed most since 1990
Adults with a bachelor's degree14.1% → 21.8%(+7.7 pts)US over the same years: +15.3 pts
Waterloo's population equals 51% of Black Hawk County's. Its number of foreign-born residents equals 80% of the county's. Its number of adults with a bachelor's degree or higher equals 38% of the county's.
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)15.3%(489)
US avg: 26.4%
Gulf War (1990s)16.8%(536)
US avg: 24.3%
Vietnam era40.1%(1,280)
US avg: 33.1%
Korean War5.6%(178)
US avg: 4.5%
World War II0.2%(5)
US avg: 1%
Share of the 3,195 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
Waterloo, decade by decade
Waterloo population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
66,467
$56,589
$94,803
14.1%
30.1
2000
68,747
$62,104
$116,222
19.4%
41.2
2010
68,406
$58,287
$143,857
19.1%
51.4
2020
67,314
$56,896
$141,809
22.6%
65.9
2024
67,008
$57,480
$152,600
21.8%
66.5
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
