County Maps US

Henry County, Ohio

A county in Ohio, ranked 77 of 88 by population.

CountyFIPS 39069

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

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Population
27,598
-65 (-0.2%) since 2020
Land area
416
square miles. A further 0.9% of the total area is water
Population density
66.3
people per square mile, computed rather than published
County seat
Napoleon
Seat of county government.
Established
1820
205 years ago
Largest city
Napoleon city
Population 8,680.

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 Henry 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 Henry 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 750 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 Henry 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
Population27,59877th of 881,524th of 3,144
Land area416 sq mi57th of 882,430th of 3,144
Population density66.3 per sq mi74th of 881,223rd of 3,144
Median household income$80,09914th of 88581st of 3,143

Full data for Henry County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population27,598Vintage 2025 Population Estimates
Population in 202027,663Vintage 2025 Population Estimates
2020 estimates base?27,658Vintage 2025 Population Estimates
Land area416 sq mi2025 Gazetteer Files
Water area3.7 sq mi2025 Gazetteer Files
Total area419.8 sq mi2025 Gazetteer Files
Population density?66.3 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$80,099American Community Survey 2020-2024 5-Year Estimates
Median home value$168,600American Community Survey 2020-2024 5-Year Estimates
Median age41.6American Community Survey 2020-2024 5-Year Estimates
Households11,451American Community Survey 2020-2024 5-Year Estimates
Housing units12,096American 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
-34
301 births, 335 deaths
Net migration
+126
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 7 areas bordering Henry 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
Defiance CountyOhio24 mi38,292
Fulton CountyOhio24 mi41,853
Putnam CountyOhio18 mi34,380
Wood CountyOhio17 mi134,176
Lucas CountyOhio5.0 mi423,347
Williams CountyOhio4.0 mi36,549
Hancock CountyOhioa single point75,034

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.