County Maps US

Muskingum County, Ohio

A county in Ohio, ranked 31 of 88 by population.

CountyFIPS 39119

Within Ohio
Muskingum County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Zanesville, the county seat, located via the 2025 Census Gazetteer.

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Population
87,014
+565 (+0.7%) since 2020
Land area
664.5
square miles. A further 1.2% of the total area is water
Population density
131
people per square mile, computed rather than published
County seat
Zanesville
Seat of county government.
Established
1804
221 years ago
Largest city
Zanesville city
Population 25,138.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Muskingum County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Muskingum County, Ohio from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 792 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Muskingum County ranks

Position among the 88 counties of Ohio, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn OhioNationally
Population87,01431st of 88684th of 3,144
Land area664.5 sq mi4th of 881,414th of 3,144
Population density131 per sq mi38th of 88757th of 3,144
Median household income$60,78064th of 882,010th of 3,143

Full data for Muskingum County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population87,014Vintage 2025 Population Estimates
Population in 202086,449Vintage 2025 Population Estimates
2020 estimates base?86,404Vintage 2025 Population Estimates
Land area664.5 sq mi2025 Gazetteer Files
Water area8.0 sq mi2025 Gazetteer Files
Total area672.6 sq mi2025 Gazetteer Files
Population density?131 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$60,780American Community Survey 2020-2024 5-Year Estimates
Median home value$182,200American Community Survey 2020-2024 5-Year Estimates
Median age40.3American Community Survey 2020-2024 5-Year Estimates
Households34,357American Community Survey 2020-2024 5-Year Estimates
Housing units38,357American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-157
962 births, 1,119 deaths
Net migration
+854
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 6 areas bordering Muskingum County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Coshocton CountyOhio25 mi37,188
Guernsey CountyOhio23 mi38,379
Morgan CountyOhio20 mi13,626
Licking CountyOhio19 mi185,564
Perry CountyOhio18 mi35,918
Noble CountyOhio6.0 mi14,276

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 88 counties of Ohio

Open the interactive Ohio county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.