County Maps US

Scott County, Iowa

A county in Iowa, ranked 3 of 99 by population.

CountyFIPS 19163

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

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Population
175,259
+660 (+0.4%) since 2020
Land area
458.1
square miles. A further 2.2% of the total area is water
Population density
383
people per square mile, computed rather than published
County seat
Davenport
Seat of county government.
Established
1837
188 years ago
Largest city
Davenport city
Population 100,358.

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 Scott 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 Scott 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 800 by 618 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 Scott 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
Population175,2593rd of 99400th of 3,144
Land area458.1 sq mi77th of 992,235th of 3,144
Population density383 per sq mi2nd of 99356th of 3,144
Median household income$78,27716th of 99656th of 3,143

Full data for Scott County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population175,259Vintage 2025 Population Estimates
Population in 2020174,599Vintage 2025 Population Estimates
2020 estimates base?174,667Vintage 2025 Population Estimates
Land area458.1 sq mi2025 Gazetteer Files
Water area10.1 sq mi2025 Gazetteer Files
Total area468.2 sq mi2025 Gazetteer Files
Population density?383 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$78,277American Community Survey 2020-2024 5-Year Estimates
Median home value$222,000American Community Survey 2020-2024 5-Year Estimates
Median age39.4American Community Survey 2020-2024 5-Year Estimates
Households73,132American Community Survey 2020-2024 5-Year Estimates
Housing units78,537American 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
+141
1,880 births, 1,739 deaths
Net migration
+263
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 4 areas bordering Scott 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
Clinton CountyIowa46 mi46,002
Rock Island CountyIllinois37 mi141,869
Muscatine CountyIowa16 mi41,853
Cedar CountyIowa12 mi18,359

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.