Union

County in Ohio

County

The population development of Union.

Name	Status	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2024-07-01
Union	County	31,969	40,909	52,300	62,790	71,721	→
Ohio	State	10,847,115	11,353,140	11,536,504	11,799,453	11,883,304

Contents: Incorporated Places

The population development of the incorporated places in Union.

The Details icon links to further information about a selected place including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).

Name	Status	County	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2024-07-01
Dublin	City	Franklin / Delaware / Union	17,079	31,361	41,396	49,315	49,456	→
Magnetic Springs	Village	Union	379	320	268	261	302	→
Marysville	City	Union	10,719	16,195	22,139	25,585	29,276	→
Milford Center	Village	Union	644	602	797	806	932	→
Plain City	Village	Madison / Union	2,299	2,849	4,215	4,110	4,374	→
Richwood	Village	Union	2,204	2,154	2,243	2,222	2,575	→
Unionville Center	Village	Union	237	294	238	240	235	→

Source: U.S. Census Bureau.

Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.

Further information about the population structure:

Gender (C 2020)
Males	29,976
Females	32,808

Age Groups (C 2020)
0-17 years	16,170
18-64 years	38,508
65+ years	8,106

Age Distribution (C 2020)
80+ years	1,609
70-79 years	3,596
60-69 years	6,517
50-59 years	8,356
40-49 years	9,405
30-39 years	9,042
20-29 years	6,651
10-19 years	9,004
0-9 years	8,604

Urbanization (C 2020)
Rural	28,257
Urban	34,527

»Race« (C 2020)
White	53,670
Black/African American	1,300
Indigenous	120
Asian	4,045
Some other	526
2 or more	3,123

Ethnicity (C 2020)
Hispanic or Latino	1,534
Other	61,250