
Harlan
- County:
- Shelby County
- County Seat:
- Yes
- Area (mi²):
- 4.42
- State:
- Iowa
Harlan is a city located in Shelby County, Iowa. Harlan has a 2025 population of 4,886. It is also the county seat of Shelby County. Harlan is currently declining at a rate of -0.04% annually and its population has decreased by -0.24% since the most recent census, which recorded a population of 4,898 in 2020.
The average household income in Harlan is $79,709 with a poverty rate of 10.94%. The median age in Harlan is 48.2 years: 44.9 years for males, and 48.7 years for females.