Mercer County, Missouri
19 public bodies govern here, 2 school districts are based here, and USDA lists 0 farmers markets. Everything below says where it came from.
In four numbers
- People
- 3,482
- Median household income
- $62,679
- ±14,517
- Unemployed
- 3.5%
- 53 of 1,530 in the labour force
- Homes with broadband
- 81.0%
- 1,055 of 1,302 households
U.S. Census Bureau, American Community Survey 5-year estimates 2020-2024; read 2026-09-26. Percentages worked out here from the two counts shown.
Who governs here
County government 1
| Name | People | Office | Website |
|---|---|---|---|
| County of Mercer | 3,488 (2021) | 802 E Main St, Princeton | — |
Cities, towns and villages 2
| Name | People | Office | Website |
|---|---|---|---|
| City of Mercer | 262 (2021) | Po Box 457, Mercer | — |
| City of Princeton | 982 (2021) | 507 W Main St, Princeton | — |
Townships 9
| Name | People | Office | Website |
|---|---|---|---|
| Township of Harrison | 214 (2021) | 12686 Falcon Rd, Cainsville | — |
| Township of Lindley | 111 (2021) | 802 E Main St, Princeton | — |
| Township of Madison | 245 (2021) | 14244 Highway D, Princeton | — |
| Township of Marion | 715 (2021) | 24111 M Hwy, Mercer | — |
| Township of Medicine | 140 (2021) | 24260 Hedge Pl, Harris | — |
| Township of Morgan | 1,403 (2021) | 19107 Emblem Rd, Princeton | — |
| Township of Ravanna | 194 (2021) | 24861 Us Highway 136, Princeton | — |
| Township of Somerset | 92 (2021) | Rr1 Po Box 232, Mercer | — |
| Township of Washington | 374 (2021) | 25726 Hammock St, Princeton | — |
Special districts 7
| Name | What it does | Office | Website |
|---|---|---|---|
| Mercer County Ambulance District | Health | 201 W Hickland St, Princeton | — |
| Princeton City Housing Authority | Housing and community development | 801 E Hickland St, Princeton | — |
| Mercer County Library District | Libraries | 601 W Grant St, Princeton | Website |
| Mercer County Fire Protection District | Local fire protection | Po Box 273, Princeton | — |
| Mercer Fire Protection District | Local fire protection | Po Box 412, Mercer | — |
| Mercer County Soil and Water Conservation District | Soil and water conservation | 20593 Us Highway 65, Princeton | — |
| Mercer County Public Water Supply District 1 | Water supply utility | Po Box 676, Mercer | — |
U.S. Census Bureau, 2022 Census of Governments, Government Units List (published August 2023); the file read 2026-09-26. Offices are placed by county; a special district’s territory can cross county lines. Each body posts its own meetings on its website where the Census records one.
School districts based here
NORTH MERCER CO. R-III
School district2 schools
22931 MAIN ST, Mercer, MO, 64661
Its website — where its board posts meetings. Federal record.
PRINCETON R-V
School district2 schools
1008 E COLEMAN, Princeton, MO, 64673
Its website — where its board posts meetings. Federal record.
National Center for Education Statistics, Common Core of Data 2024-25; read 2026-09-26.
Farmers markets
USDA’s directory lists no farmers market in this county. That is not the same as there being none: a market that never registered with USDA, and was not found by its 2023 web sweep, is not in the directory.
In the counties that border this one
Paradise Farmers' Market (200 West 1st St. Leon Public Library Leon) · Lamoni Farmers' Market (Lamoni)
Bethany Farmers' Market (Bethany)
Market on the Square (Unionville)
Corydon Farmers Market (Corydon)
Which counties border which: U.S. Census Bureau, County Adjacency File (2024), the file read 2026-09-26. Bordering is not distance — counties that touch at one corner border each other.
USDA National Farmers Market Directory; read 2026-09-26.