Washington, IA Profile: Facts, Map & Data


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Washington, Iowa - Basic Facts

The City of Washington had a population of 7,276 as of July 1, 2017. Washington 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 Washington is located at latitude 41.2979 and longitude -91.6923 in Washington County. The formal boundaries for the City of Washington (see map below) encompass a land area of 5.24 sq. miles and a water area of 0 sq. miles. Washington County is in the Central time zone (GMT -6). The elevation is 758 feet.

The City of Washington (GNIS ID: 2397207) 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 Washington is located within Township of Washington, a minor civil division (MCD) of Washington County.

Beneath the boundary map are tables with Washington population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Washington, IA Boundary Map

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Washington, IA Data & Demographics (As of July 1, 2017)


Total Population 7,276
Daytime Population: Workers 5,708
Daytime Population: Residents 3,650
Total Daytime Population (TDP) 9,358
Ratio TDP/Total Population1 1.29
Population in Households 7,097
Population in Familes 5,467
Population in Group Qrtrs 179
Population Density2 1,388
Diversity Index3 36


Median Household Income $47,719
Average Household Income $59,570
Per Capita Income $25,369


Total Housing Units 3,351 (100%)
Owner Occupied HU 2,062 (61.5%)
Renter Occupied HU 1,007 (30.1%)
Vacant Housing Units 282 ( 8.4%)
Median Home Value $111,292
Average Home Value $131,205


Total Households 3,069
Average Household Size 2.31
Family Households 1,868
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population 0.12% 0.27%
Households 0.16% 0.32%
Families 0.15% 0.18%
Median Household Income   1.54%
Per Capita Income   2.31%

Washington, IA - Peer Comparisons by Rank and Percentile

The table below compares Washington to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2017 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 # 55 95th
Population Density # 131 87th
Diversity Index # 50 95th
Median Household Income # 759 25th
Per Capita Income # 691 32nd

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

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