Washington, IL Profile: Facts, Map & Data


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Washington, Illinois - Basic Facts

The City of Washington had a population of 15,238 as of July 1, 2016. Washington ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Washington is located at latitude 40.7017 and longitude -89.4367 in Tazewell County. The formal boundaries for the City of Washington (see map below) encompass a land area of 8.02 sq. miles and a water area of 0.01 sq. miles. Tazewell County is in the Central time zone (GMT -6). The elevation is 761 feet.

The City of Washington (GNIS ID: 2397206) 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 Tazewell 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, 2016.

Neighborhood Data

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City of Washington, IL Boundary Map

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Boundary Maps: Township of Washington | Tazewell County | Illinois Counties

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Washington, IL Data & Demographics (As of July 1, 2016)


Total Population 15,238
Population in Households 15,115
Population in Familes 12,759
Population in Group Qrtrs 123
Population Density1 1,900
Diversity Index2 13


Total Households 5,928
Average Household Size 2.55
Family Households 4,193
Average Family Size 3


Total Housing Units 6,406 (100%)
Owner Occupied HU 4,458 (69.6%)
Renter Occupied HU 1,470 (22.9%)
Vacant Housing Units 478 ( 7.5%)
Median Home Value $149,512
Average Home Value $183,169


Median Household Income $63,661
Average Household Income $81,601
Per Capita Income $32,212
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.18% 0.06%
Households 0.18% 0.07%
Families 0.02% -0.04%
Median Household Income   1.97%
Per Capita Income   1.44%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Washington, IL - Peer Comparisons by Rank and Percentile

The table below compares Washington to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2016 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 # 161 88th
Population Density1 # 307 78th
Diversity Index2 # 673 51st
Median Household Income # 313 77th
Per Capita Income # 269 80th

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

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