North Liberty, IA Profile: Facts & Data


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North Liberty, Iowa - Basic Facts

The City of North Liberty had a population of 18,246 as of July 1, 2018. North Liberty 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 North Liberty is located at latitude 41.7492 and longitude -91.5979 in Johnson County. The formal boundaries for the City of North Liberty (see map below) encompass a land area of 7.83 sq. miles and a water area of 0 sq. miles. Johnson County is in the Central time zone (GMT -6). The elevation is 781 feet.

The City of North Liberty (GNIS ID: 2395256) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of North Liberty is located within Township of Penn, a minor civil division (MCD) of Johnson County.

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  1. North Liberty 2018 Demographic Data
  2. Growth Rates for North Liberty (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.


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


Total Population 18,246
Population in Households 18,071
Population in Familes 13,614
Population in Group Qrtrs 175
Population Density2 2,329
Diversity Index3 32


Median Household Income $82,198
Average Household Income $103,077
Per Capita Income $40,940


Total Housing Units 7,496 (100%)
Owner Occupied HU 5,535 (73.8%)
Renter Occupied HU 1,806 (24.1%)
Vacant Housing Units 155 ( 2.1%)
Median Home Value $214,101
Average Home Value $256,471


Total Households 7,341
Average Household Size 2.46
Family Households 4,509
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 3.84% 2.35%
Households 3.58% 2.32%
Families 4.0% 2.18%
Median Household Income   1.25%
Per Capita Income   1.8%

North Liberty, IA - Peer Comparisons by Rank and Percentile

The table below compares North Liberty 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 # 28 97th
Population Density # 16 99th
Diversity Index # 69 93rd
Median Household Income # 39 96th
Per Capita Income # 38 96th

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