County Maps US

Sedgwick County, Kansas

A county in Kansas, ranked 2 of 105 by population.

CountyFIPS 20173

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

Download SVGFull Kansas map downloads

Population
538,433
+13,602 (+2.6%) since 2020
Land area
997
square miles. A further 1.2% of the total area is water
Population density
540
people per square mile, computed rather than published
County seat
Wichita
Seat of county government.
Established
1870
155 years ago
Largest city
Wichita city
Population 400,987.

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 Sedgwick 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 Sedgwick County, Kansas 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 689 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 Sedgwick County ranks

Position among the 105 counties of Kansas, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn KansasNationally
Population538,4332nd of 105138th of 3,144
Land area997 sq mi16th of 105686th of 3,144
Population density540 per sq mi3rd of 105268th of 3,144
Median household income$69,36533rd of 1051,248th of 3,143

Full data for Sedgwick County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population538,433Vintage 2025 Population Estimates
Population in 2020524,831Vintage 2025 Population Estimates
2020 estimates base?523,844Vintage 2025 Population Estimates
Land area997 sq mi2025 Gazetteer Files
Water area12.1 sq mi2025 Gazetteer Files
Total area1,009 sq mi2025 Gazetteer Files
Population density?540 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$69,365American Community Survey 2020-2024 5-Year Estimates
Median home value$203,300American Community Survey 2020-2024 5-Year Estimates
Median age36.0American Community Survey 2020-2024 5-Year Estimates
Households206,768American Community Survey 2020-2024 5-Year Estimates
Housing units227,638American 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
+1,552
6,645 births, 5,093 deaths
Net migration
+2,447
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 Sedgwick 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
Sumner CountyKansas36 mi22,312
Butler CountyKansas30 mi69,484
Harvey CountyKansas30 mi33,580
Reno CountyKansas18 mi61,539
Kingman CountyKansas18 mi7,029
Cowley CountyKansasa single point34,382

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

All 105 counties of Kansas

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

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