Salem, IL Profile: Facts, Map & Data


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Salem, Illinois - Basic Facts

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The City of Salem had a population of 7,291 as of July 1, 2017.

The primary coordinate point for Salem is located at latitude 38.6277 and longitude -88.9576 in Marion County. The formal boundaries for the City of Salem (see map below) encompass a land area of 6.95 sq. miles and a water area of 0.16 sq. miles. Marion County is in the Central time zone (GMT -6). The elevation is 541 feet.

The City of Salem (GNIS ID: 2396526) 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 Salem is located within Township of Salem, a minor civil division (MCD) of Marion County.

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

Neighborhood Data

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City of Salem, IL Boundary Map

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Boundary Maps: Township of Salem | Marion County | Illinois Counties

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Salem, IL Data & Demographics (As of July 1, 2017)


Total Population 7,291
Daytime Population: Workers 5,835
Daytime Population: Residents 3,866
Total Daytime Population (TDP) 9,701
Ratio TDP/Total Population1 1.33
Population in Households 7,022
Population in Familes 5,493
Population in Group Qrtrs 269
Population Density2 1,050
Diversity Index3 13


Median Household Income $39,256
Average Household Income $52,457
Per Capita Income $22,441


Total Housing Units 3,451 (100%)
Owner Occupied HU 1,966 (57.0%)
Renter Occupied HU 1,095 (31.7%)
Vacant Housing Units 390 (11.3%)
Median Home Value $73,648
Average Home Value $91,662


Total Households 3,061
Average Household Size 2.29
Family Households 1,906
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 -0.36% -0.42%
Households -0.28% -0.37%
Families -0.49% -0.48%
Median Household Income   1.7%
Per Capita Income   2.94%

Salem, IL - Peer Comparisons by Rank and Percentile

The table below compares Salem to the other 1,368 incorporated cities, towns and CDPs in Illinois 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 # 283 79th
Population Density # 723 47th
Diversity Index # 666 51st
Median Household Income # 1202 12th
Per Capita Income # 1103 19th

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

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