Cairo Flag

Cairo

County Seat:
Yes
Area (mi²):
6.987
State:
Illinois

Cairo is a city located in Alexander County, Illinois. Cairo has a 2026 population of 1,426. It is also the county seat of Alexander County. Cairo is currently declining at a rate of -3.26% annually and its population has decreased by -16.9% since the most recent census, which recorded a population of 1,716 in 2020.

The median household income in Cairo is $41,912 with a poverty rate of 18.95%. The median age in Cairo is 43.8 years: 40 years for males, and 48 years for females. For every 100 females there are 91.8 males.

1.4K
Total Population
204
Density (mi²)
-48 -3.26%
Growth

Cairo 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)