County
· Illinois
Mason County
Mason County is a county in the U.S. state of Illinois. According to the 2020 census, it had a population of 13,086. Its county seat is Havana. The county is named in honor of George Mason, a member of the Virginia legislature who campaigned for the adoption of the United States Bill of Rights.
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Cities and towns 8
Townships 13
- Township of Allens Grove pop. 459
- Township of Bath pop. 730
- Township of Crane Creek pop. 147
- Township of Forest City pop. 463
- Township of Havana pop. 4,320
- Township of Kilbourne pop. 468
- Township of Lynchburg pop. 231
- Township of Manito pop. 2,208
- Township of Mason City pop. 2,293
- Township of Pennsylvania pop. 154
- Township of Quiver pop. 709
- Township of Salt Creek pop. 219
- Township of Sherman pop. 480
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 194542
- FIPS state
- 17
- FIPS county
- 125
- FIPS place
- 99125
- Census record name
- COUNTY OF MASON
- Mailing address
- COUNTY BUILDING, HAVANA 62644