- county
- FIPS 20173
- Largest town: Wichita
Sedgwick County, Kansas
Sedgwick County had 536,081 residents in the Census Vintage 2024 estimate, on 997.0 square miles of land. It ranks 2nd of 105 in Kansas by population and 16th by land area.
- Population
- 536,081
- #2 of 105 in Kansas · #137 in US
- Area
- 997.0 sq mi
- #16 of 105 in Kansas · #686 in US
- Density
- 538 / sq mi
- #3 of 105 in Kansas · #265 in US
- Median household income
- $67,435
- #27 of 105 in Kansas · #1,171 in US
Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area
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Sedgwick County population, land area and income
Sedgwick County had 536,081 residents in the Census Vintage 2024 estimate, on 997.0 square miles of land. It ranks 2nd of 105 in Kansas by population and 16th by land area. That works out to 537.7 people per square mile, 5.6 times the US average of 96.3, and in the top tenth nationally.
The median county-equivalent in Kansas has 6,946 residents, so Sedgwick County is 77.2 times that size.
Its SAIPE 2023 median household income of $67,435 is above the national county median among 3,143 counties with an estimate.
National rank among 3,144
Population
536,081
137th of 3,144 (US)
Land area
997 sq mi
686th of 3,144 (US)
Density
537.7 / sq mi
265th of 3,144 (US)
Median household income
$67,435
1171st of 3,143 (US)
Rank within Kansas (105)
Population
536,081
2nd of 105 (KS)
Land area
997 sq mi
16th of 105 (KS)
Density
537.7 / sq mi
3rd of 105 (KS)
Median household income
$67,435
27th of 105 (KS)
How Sedgwick County's population changed since 2020
Sedgwick County gained 11,244 residents between the July 2020 and July 2024 estimates, a rise of 2.1%. That ranks 10th of 105 in Kansas for growth. The median Kansas county changed by -1.0%, and the state as a whole by +1.1%.
Since the April 2020 estimates base, Sedgwick County recorded 28,162 births and 23,104 deaths, a natural change of +5,058. Net international migration added +7,342 and net domestic migration, people moving to or from other US counties, came to -266. The largest single component was international migration, which added 7,342 people.
Components of change, April 2020 to July 2024
- Births
- 28,162
- Deaths
- 23,104
- Net international migration
- +7,342
- Net domestic migration
- -266
- Change, July 2023 to July 2024
- +5,827
Where Sedgwick County is
The Census internal point of Sedgwick County is at 37.681000, -97.461100. It sits in UTM zone 14N. The map shades Kansas's 105 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Sedgwick County outlined. Dots are towns of 1,000+ people with residents in it.
- < -3.6%
- < -1.7%
- < -0.7%
- < +0.6%
- ≥ +0.6%
Orange pin: Sedgwick County internal point. Dark pin: Topeka.
Internal point
- Decimal
- 37.681000, -97.461100
- DMS
- 37°40'51.60"N 97°27'39.96"W
- UTM
- 14N 635698.6E 4171536.4N
- Geohash
- 9ydwq5wgx
- Plus code
- 8694MGJQ+CH
Towns in Sedgwick County
14 incorporated places of 1,000+ people have residents in Sedgwick County, 493,561 people together, or 92% of the county. Each figure counts only the part of the town inside Sedgwick County; towns marked "part" extend into another county. The largest is Wichita with 400,991.
- 01Wichita400,991
- 02Derby26,604
- 03Haysville11,406
- 04Bel Aire10,066
- 05Park City9,110
- 06Valley Center7,416
- 07Maize7,059
- 08Goddard6,009
- 09Mulvane (part)5,991
- 10Clearwater2,697
- 11Kechi2,388
- 12Cheney2,174
- 13Colwich1,454
- 14Sedgwick (part)196
Counties bordering Sedgwick County
The Census 2024 county adjacency file lists 6 neighbors for Sedgwick County. The most populous is Butler County, KS, with 69,158 residents. Distances run between Census internal points in a straight line.
Distance to Topeka and the nearest big city
Topeka is 135.0 miles NE of Sedgwick County's internal point in a straight line. The nearest place of 100,000 or more is Wichita, KS (population 400,991), 6.3 miles away.
Sedgwick County FIPS code
The FIPS code of Sedgwick County is 20173: state code 20 for Kansas plus county code 173. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $67,435.
Questions people ask
What is the population of Sedgwick County, Kansas?
The Census Vintage 2024 estimate for July 1, 2024 is 536,081. That is up 11,244 people (2.1%) from the July 2020 estimate of 524,837.
What is the FIPS code of Sedgwick County?
20173. The first two digits (20) are Kansas; the last three (173) identify the county.
What is the largest town in Sedgwick County?
Wichita, with 400,991 residents inside Sedgwick County in 2024.
Which counties border Sedgwick County?
6 county-equivalents border it in the Census 2024 adjacency file: Butler County, KS; Reno County, KS; Cowley County, KS; Harvey County, KS; Sumner County, KS; Kingman County, KS.
Sources and data as of
Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Vintage 2024 subcounty population estimates
- 05Census 2024 county adjacency file
- 06Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.