Norwalk, IA Profile: Facts & Data


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Norwalk, Iowa - Basic Facts

The City of Norwalk had a population of 10,797 as of July 1, 2018. Norwalk ranks in the upper quartile for 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 Norwalk is located at latitude 41.4755 and longitude -93.6788 in Warren County. The formal boundaries for the City of Norwalk encompass a land area of 10.75 sq. miles and a water area of 0.35 sq. miles. Warren County is in the Central time zone (GMT -6). The elevation is 951 feet.

The City of Norwalk (GNIS ID: 2395273) 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 Norwalk is located within Township of Linn, a minor civil division (MCD) of Warren County.

Alternate Unofficial Names for Norwalk: Pyra.

Jump to... (On This Page!)
  1. Norwalk 2018 Demographic Data
  2. Growth Rates for Norwalk (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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Norwalk, IA Data & Demographics (As of July 1, 2018)


Total Population 10,797
Population in Households 10,672
Population in Familes 9,216
Population in Group Qrtrs 125
Population Density2 1,004
Diversity Index3 16


Median Household Income $85,760
Average Household Income $98,652
Per Capita Income $37,074


Total Housing Units 4,127 (100%)
Owner Occupied HU 3,074 (74.5%)
Renter Occupied HU 921 (22.3%)
Vacant Housing Units 132 ( 3.2%)
Median Home Value $177,381
Average Home Value $214,891


Total Households 3,995
Average Household Size 2.67
Family Households 2,978
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 2.31% 2.05%
Households 2.49% 2.18%
Families 2.28% 2.08%
Median Household Income   1.42%
Per Capita Income   2.08%

Norwalk, IA - Peer Comparisons by Rank and Percentile

The table below compares Norwalk 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 # 36 97th
Population Density # 301 70th
Diversity Index # 250 75th
Median Household Income # 25 98th
Per Capita Income # 72 93rd

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

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