Muskingum County, Ohio
County seat: Zanesville · Population 87,014 (2025) · 665 sq mi
Muskingum County is the 31st most populous of Ohio's 88 counties, with 87,014 people (2025 estimate). Its county seat is Zanesville. The map shows its 11 cities and towns and the 6 neighboring counties.
Muskingum County facts
- County seat
- Zanesville
- Population (2025 estimate)
- 87,014 +0.7% since 2020
- Land area
- 665 sq mi 4th largest of 88
- Water area
- 8 sq mi
- Population density
- 131 per sq mi
- Established
- 1804
- Largest city
- Zanesville 25,138
- Median household income
- $60,780
- Cities and towns
- 11 plus 6 CDPs
- ZIP codes
- 23
- Time zone
- Eastern
- FIPS code
- 39119
Cities and towns in Muskingum County
Muskingum County has 11 incorporated cities, towns and villages. Populations count the people living inside Muskingum County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Zanesville (county seat) | City | 25,138 | |
| New Concord | Village | 2,473 | |
| South Zanesville | Village | 1,907 | |
| Dresden | Village | 1,646 | |
| Frazeysburg | Village | 1,356 | |
| Philo | Village | 724 | |
| Roseville | Village | 681 | Perry County |
| Adamsville | Village | 140 | |
| Fultonham | Village | 118 | |
| Norwich | Village | 96 | |
| Gratiot | Village | 80 | Licking County |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| North Zanesville | 2,758 | |
| Pleasant Grove | 1,436 | |
| Duncan Falls | 1,355 | |
| Trinway | 286 | |
| Nashport | 206 | |
| East Fultonham | 157 |
ZIP codes in Muskingum County
23 ZIP codes reach into Muskingum County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 43056 also Licking County
- 43701
- 43720 also Morgan County
- 43727
- 43732 also Guernsey and Noble counties
- 43734
- 43735
- 43738
- 43740 also Licking County
- 43746 also Licking County
- 43756 also Morgan County
- 43760 also Perry and Licking counties
- 43762 also Guernsey County
- 43767
- 43771
- 43777 also Perry County
- 43791
- 43802
- 43812 also Coshocton County
- 43821 also Coshocton County
- 43822 also Licking, Coshocton and Knox counties
- 43830 also Licking County
- 43842
Population of Muskingum County, 2020–2025
Muskingum County grew by 610 people (+0.7%) between April 2020 and July 2025: 845 more deaths than births and a net gain of 1,425 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 86,449 |
| 2021 | 86,543 |
| 2022 | 86,090 |
| 2023 | 86,187 |
| 2024 | 86,321 |
| 2025 | 87,014 |
Neighboring counties
- Coshocton County north · 37,188 people
- Guernsey County east · 38,379 people
- Morgan County south · 13,626 people
- Licking County west · 185,564 people
- Perry County southwest · 35,918 people
- Noble County southeast · 14,276 people
Printable Muskingum County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (105 KB)
- PNG (2400 px) (78 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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