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 2025 population of 20,352 . It is also the county seat of Shelby County . Sidney is currently declining at a rate of -0.2% annually and its population has decreased by -0.96% since the most recent census, which recorded a population of 20,550 in 2020.

The average household income in Sidney is $78,688 with a poverty rate of 13.37%. The median age in Sidney is 40.3 years: 39 years for males, and 41.7 years for females. For every 100 females there are 93.8 males.

20.4K
Total Population
1,700
Density (mi²)
-40 -0.2%
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)