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County · Ohio

Delaware County

237,966Population
11.1 %Change since 2020
5,036Net migration
3.8 %Unemployment rate

Facts

Population
237,966 (2024)
Change since 2020
11.1 %
Net migration
5,036 (2023)
Unemployment rate
3.8 % (2025)
State
Ohio
Population base, April 2020
214,123 (2020)
Births
2,168 (2023)
Births per 1,000 residents, 2023
9.1
Deaths
1,473 (2023)
Deaths per 1,000 residents, 2023
6.2
Natural change, 2023
695
International migration
1,448 (2023)
Domestic migration
3,588 (2023)
Net migration per 1,000, 2023
21.2
Postal code
OH
FIPS code
39041

Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS

Unemployment rate, annual average

199020253.83.5
PeriodValue
20253.8 %
20243.7 %
20232.9 %
20223.0 %
20213.7 %
20205.4 %
20193.2 %
20183.4 %
20173.6 %
20163.7 %
20153.6 %
20144.1 %

Population estimates, 2020–2024

20202024238K215.2K
PeriodValue
2024237,966
2023232,732
2022227,008
2021221,304
2020215,162