County Maps US

Franklin County, Iowa

A county in Iowa, ranked 73 of 99 by population.

CountyFIPS 19069

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

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Population
9,868
-123 (-1.2%) since 2020
Land area
582
square miles. A further 0.1% of the total area is water
Population density
17.0
people per square mile, computed rather than published
County seat
Hampton
Seat of county government.
Established
1851
174 years ago
Largest city
Hampton city
Population 4,264.

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 Franklin 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 Franklin County, Iowa 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 793 by 800 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 Franklin County ranks

Position among the 99 counties of Iowa, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn IowaNationally
Population9,86873rd of 992,416th of 3,144
Land area582 sq mi28th of 991,692nd of 3,144
Population density17.0 per sq mi80th of 992,331st of 3,144
Median household income$59,89494th of 992,094th of 3,143

Full data for Franklin County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population9,868Vintage 2025 Population Estimates
Population in 20209,991Vintage 2025 Population Estimates
2020 estimates base?10,009Vintage 2025 Population Estimates
Land area582 sq mi2025 Gazetteer Files
Water area0.56 sq mi2025 Gazetteer Files
Total area582.5 sq mi2025 Gazetteer Files
Population density?17.0 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$59,894American Community Survey 2020-2024 5-Year Estimates
Median home value$124,100American Community Survey 2020-2024 5-Year Estimates
Median age42.7American Community Survey 2020-2024 5-Year Estimates
Households4,198American Community Survey 2020-2024 5-Year Estimates
Housing units4,657American 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
-30
119 births, 149 deaths
Net migration
-78
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 8 areas bordering Franklin 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
Butler CountyIowa24 mi14,049
Wright CountyIowa24 mi12,801
Hardin CountyIowa24 mi16,455
Cerro Gordo CountyIowa24 mi42,372
Floyd CountyIowaa single point14,901
Grundy CountyIowaa single point12,361
Hamilton CountyIowaa single point14,944
Hancock CountyIowaa single point10,528

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

All 99 counties of Iowa

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

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