| Name | Status | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|
| Richland | County | 126,137 | 128,932 | 124,475 | o |
| Ohio | Federal State | 10,847,115 | 11,353,336 | 11,536,504 |
| Name | Status | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|
| Bellville | Village | 1,712 | 1,776 | 1,918 | o |
| Butler | Village | 1,039 | 921 | 933 | o |
| Lexington | Village | 4,198 | 4,175 | 4,822 | o |
| Lucas | Village | 741 | 634 | 615 | o |
| Mansfield | City | ... | 51,796 | 47,821 | o |
| Ontario | City | 4,092 | 5,319 | 6,225 | o |
| Shelby | City | 9,742 | 9,925 | 9,317 | o |
| Shiloh | Village | 792 | 721 | 649 | o |
Source: US Census Bureau (web).
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