Macomb, IL Profile: Facts, Map & Data


Macomb Local Links & Resources:
Hotels | Resources | ALL Macomb Content

Also See: Macomb, IL ZIP Codes & ZIP Code Maps | Local Area Photos

Macomb, Illinois - Basic Facts

The City of Macomb had a population of 19,047 as of July 1, 2016. Macomb ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Macomb is located at latitude 40.4701 and longitude -90.6831 in McDonough County. The formal boundaries for the City of Macomb (see map below) encompass a land area of 10.89 sq. miles and a water area of 0.43 sq. miles. McDonough County is in the Central time zone (GMT -6). The elevation is 709 feet.

The City of Macomb (GNIS ID: 2395801) 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 Macomb is located within Township of Macomb City, a minor civil division (MCD) of McDonough County.

Beneath the boundary map are tables with Macomb population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Macomb: Washington.

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


City of Macomb, IL Boundary Map

Also See: BIG Map | Driving Directions | IL Congressional Districts
Boundary Maps: Township of Macomb City | McDonough County | Illinois Counties

Search the map for:

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


Total Population 19,047
Population in Households 15,053
Population in Familes 7,734
Population in Group Qrtrs 3,994
Population Density1 1,749
Diversity Index2 33


Total Households 7,259
Average Household Size 2.07
Family Households 2,770
Average Family Size 3


Total Housing Units 8,124 (100%)
Owner Occupied HU 2,881 (35.5%)
Renter Occupied HU 4,378 (53.9%)
Vacant Housing Units 865 (10.6%)
Median Home Value $100,806
Average Home Value $124,167


Median Household Income $29,744
Average Household Income $46,883
Per Capita Income $19,020
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.22% -0.38%
Households -0.47% -0.61%
Families -0.73% -0.78%
Median Household Income   0.89%
Per Capita Income   1.33%
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.

Macomb, IL - Peer Comparisons by Rank and Percentile

The table below compares Macomb 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 # 133 90th
Population Density1 # 374 73rd
Diversity Index2 # 326 76th
Median Household Income # 1344 2nd
Per Capita Income # 1272 7th

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

Illinois Research Tools

Illinois Census Data Comparison Tool

Compare Illinois Census Data
Highest or Lowest: