Sidney Flag

Sidney

County:
Shelby County
County Seat:
Yes
Area (mi²):
11.97
State:
Ohio

Sidney is a city located in Shelby County, Ohio. Sidney has a 2026 population of 20,313. It is also the county seat of Shelby County. Sidney is currently declining at a rate of -0.19% annually and its population has decreased by -1.15% since the most recent census, which recorded a population of 20,550 in 2020.

The median household income in Sidney is $60,668 with a poverty rate of 14.17%. The median age in Sidney is 40.7 years: 39.4 years for males, and 41.9 years for females. For every 100 females there are 98.4 males.

20.3K
Total Population
1,697
Density (mi²)
-39 -0.19%
Growth

Sidney 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)