Waterloo, IA Profile: Facts & Data


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Waterloo, Iowa - Basic Facts

The City of Waterloo is the 6th largest city in Iowa with a population of 69,525 as of July 1, 2018. Waterloo ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below.

The primary coordinate point for Waterloo is located at latitude 42.4928 and longitude -92.343 in Black Hawk County. The formal boundaries for the City of Waterloo (see map below) encompass a land area of 61.39 sq. miles and a water area of 1.84 sq. miles. Black Hawk County is in the Central time zone (GMT -6). The elevation is 856 feet.

The City of Waterloo (GNIS ID: 468951) has a C2 Census Class Code which indicates an active incorporated place legally coextensive with a county subdivision but treated as independent of any county subdivision. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Waterloo is located within , a minor civil division (MCD) of Black Hawk County.

Jump to... (On This Page!)
  1. Waterloo 2018 Demographic Data
  2. Growth Rates for Waterloo (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Iowa Research Tools (Easy Tools & Current Data)
  3. Iowa Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Waterloo, IA Data & Demographics (As of July 1, 2018)


Total Population 69,525
Population in Households 68,411
Population in Familes 50,601
Population in Group Qrtrs 1,114
Population Density2 1,133
Diversity Index3 50


Median Household Income $44,160
Average Household Income $59,266
Per Capita Income $24,821


Total Housing Units 31,585 (100%)
Owner Occupied HU 19,044 (60.3%)
Renter Occupied HU 9,931 (31.4%)
Vacant Housing Units 2,610 ( 8.3%)
Median Home Value $110,786
Average Home Value $137,690


Total Households 28,975
Average Household Size 2.36
Family Households 17,194
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population 0.2% 0.19%
Households 0.16% 0.16%
Families -0.03% 0.04%
Median Household Income   1.32%
Per Capita Income   1.78%

Waterloo, IA - Peer Comparisons by Rank and Percentile

The table below compares Waterloo to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 6 100th
Population Density # 228 78th
Diversity Index # 24 98th
Median Household Income # 902 11th
Per Capita Income # 844 16th

Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.

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