Harlan is located in Warren County, Ohio. Harlan has a 2025 population of 5,346 . Harlan is currently growing at a rate of 1.15% annually and its population has increased by 7.98% since the most recent census, which recorded a population of 4,951 in 2020.
The average household income in Harlan is $134,645 with a poverty rate of 5.47%. The median age in Harlan is 42.3 years: 44 years for males, and 40.1 years for females. For every 100 females there are 99.3 males.
Data after 2023 is projected based on recent change
The racial composition of Harlan includes 96.22% White, and smaller percentages for Asian, Two or more races, Black or African American, Native American and multiracial populations.
White (96.22%)
Asian (2.54%)
Two or more races (0.63%)
Black or African American (0.5%)
Native American (0.12%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,858 | 96.22% |
| Asian | 128 | 2.54% |
| Two or more races | 32 | 0.63% |
| Black or African American | 25 | 0.5% |
| Native American | 6 | 0.12% |
Married
Widowed
Divorced
Separated
Never Married
Harlan's average per capita income is $66,616. Household income levels show a median of $109,484. The poverty rate stands at 5.47%.
Name | Median | Mean |
|---|---|---|
| Married Families | $128,967 | - |
| Families | $121,250 | $138,911 |
| Households | $109,484 | $134,645 |
| Non Families | $72,596 | $108,666 |
Average Income
Median Household Income
Poverty Rate