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 20,392. It is also the county seat of Shelby County. Sidney is currently growing at a rate of 0.35% annually but its population has decreased by -0.77% since the most recent census, which recorded a population of 20,550 in 2020.

20.4K
Total Population
1,704
Density (mi²)
72 0.35%
Growth

Nearby Cities

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)