Ranking of Union, OH Cities and Places By population in 2022
Updated on June 27, 2025.
Based on the US Census Vintage data estimates, in 2022, among all Union, OH cities and places, Balance of Union County had the highest population (30.93K), followed by Marysville city (27.15K), and Dublin city (pt.) (4.31K).
The chart below shows the top 8 cities and places, and the table below shows the ranking of all Union cities and places.
You can see similar information for other Ohio counties. You can also see the ranking of all cities and places in Ohio.
Data Source: US Census Bureau (Vintage).
Ranking of Union, OH Cities and Places By population in 2022
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| Rank | City or Place | Population |
|---|---|---|
| 1 | Balance of Union County | 30931 |
| 2 | Marysville city | 27153 |
| 3 | Dublin city (pt.) | 4312 |
| 4 | Richwood village | 2396 |
| 5 | Milford Center village | 870 |
| 6 | Plain City village (pt.) | 751 |
| 7 | Magnetic Springs village | 281 |
| 8 | Unionville Center village | 233 |