County Maps US

Fulton County, Ohio

A county in Ohio, ranked 60 of 88 by population.

CountyFIPS 39051

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

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Population
41,853
-794 (-1.9%) since 2020
Land area
405.5
square miles. A further 0.4% of the total area is water
Population density
103
people per square mile, computed rather than published
County seat
Wauseon
Seat of county government.
Established
1850
175 years ago
Largest city
Wauseon city
Population 7,430.

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 Fulton 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 Fulton 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 515 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 Fulton 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
Population41,85360th of 881,159th of 3,144
Land area405.5 sq mi74th of 882,498th of 3,144
Population density103 per sq mi52nd of 88884th of 3,144
Median household income$72,86432nd of 88982nd of 3,143

Full data for Fulton County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population41,853Vintage 2025 Population Estimates
Population in 202042,647Vintage 2025 Population Estimates
2020 estimates base?42,713Vintage 2025 Population Estimates
Land area405.5 sq mi2025 Gazetteer Files
Water area1.8 sq mi2025 Gazetteer Files
Total area407.2 sq mi2025 Gazetteer Files
Population density?103 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$72,864American Community Survey 2020-2024 5-Year Estimates
Median home value$191,000American Community Survey 2020-2024 5-Year Estimates
Median age41.5American Community Survey 2020-2024 5-Year Estimates
Households16,986American Community Survey 2020-2024 5-Year Estimates
Housing units17,739American 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
-39
431 births, 470 deaths
Net migration
-183
More people moved out than moved in.

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

The 5 areas bordering Fulton 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
Lenawee CountyMichigan25 mi97,779
Henry CountyOhio24 mi27,598
Williams CountyOhio18 mi36,549
Lucas CountyOhio16 mi423,347
Hillsdale CountyMichigan2.0 mi45,738

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.