Macomb Flag

Macomb

County Seat:
Yes
Area (mi²):
10.839
State:
Illinois

Macomb is a city located in McDonough County, Illinois. Macomb has a 2026 population of 14,647. It is also the county seat of McDonough County. Macomb is currently declining at a rate of -0.4% annually and its population has decreased by -2.35% since the most recent census, which recorded a population of 15,000 in 2020.

The median household income in Macomb is $44,411 with a poverty rate of 25.09%. The median age in Macomb is 27.6 years: 27.9 years for males, and 27.1 years for females. For every 100 females there are 90.6 males.

14.6K
Total Population
1,351
Density (mi²)
-59 -0.4%
Growth

Macomb Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)