Kingman County area

Kingman County, Kansas covers 866.7 square miles: 863.4 square miles of land and 3.24 square miles of water. Its county seat is Kingman. An estimated 7,029 people lived there in 2025.

Official Census measurements · GEOID 200952026 Gazetteer · retrieved September 27, 2026
Land area863.4 mi²
Water area3.24 mi²
Population (2025)7,029
People per mi²8.1

County outline

Generalized outline of Kingman County, Kansas
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where Kingman County is located

Kingman County highlighted on a map of all U.S. county equivalents. About the maps

Area breakdown

Land accounts for 99.6% of Kingman County’s measured area and water for 0.4%. Its combined area converts to 2,244.6 square kilometers or approximately 554,662 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land863.4192,236.245552,588.2
Water3.248.3922,073.6
Total866.6592,244.637554,661.8

How Kingman County compares

By original Census land area, Kingman County ranks #40 of 105 in Kansas and #955 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.183 times the Kansas county-equivalent median of 729.7 square miles. It accounts for 1.1% of the combined county land area in the state.

See the complete Kansas ranking · What counts as a county equivalent?

Population and density of Kingman County

The Census Bureau estimates that 7,029 people lived in Kingman County on July 1, 2025. That ranks #2,731 of 3,222 county equivalents nationally and #51 of 105 in Kansas. Since the April 1, 2020 estimates base of 7,474, the population has declined by 445 (−6%), compared with +1.3% for Kansas as a whole.

With 863.4 square miles of land, that is 8.1 people per square mile (3.1 per km²), placing Kingman County #2,712 nationally for density and #53 in Kansas. The median county equivalent has 47 people per square mile; the Kansas median is 8.1. Put another way, there are about 79 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate7,4277,2967,1917,1077,0257,029
Change—−131−105−84−82+4

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in Kingman County

7 incorporated places lie at least partly in Kingman County. Together they are home to 3,899 people (55.5%); the other 3,130 (44.5%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Kingman city, with 2,884 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Kingman cityCounty seat2,884−7.2%3.591
Norwich city413−7%0.402
Cunningham city409−7.5%0.458
Zenda city68−4.2%0.223
Spivey city57−3.4%0.521
Nashville city51−5.6%0.205
Penalosa city17−10.5%0.103

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Kingman County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Kingman County is not part of any metropolitan or micropolitan statistical area in the Office of Management and Budget’s July 2023 delineation; 1,306 other county equivalents are also outside one. These areas are built around an urban core of at least 10,000 people plus the counties tied to it by commuting, so counties outside them are generally rural.

ZIP codes

12 ZIP Code Tabulation Areas have land in Kingman County; 7 of them have most of their land inside the county, and the others mainly cover neighboring areas.

670256703567058670656706867106671116711267118671426715967570

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Kingman County

Kingman County shares a land border with 6 county equivalents. It has more land than 2 of them. The largest neighbor is Reno County (1,255.3 mi²) and the smallest is Pratt County (735 mi²). Together with its neighbors, Kingman County forms a block of 6,967.8 mi² of land, of which it holds 12.4%.

Map of Kingman County and the 6 county equivalents that border it Reno County, Kansas: 1,255.3 mi² landHarper County, Kansas: 801.3 mi² landPratt County, Kansas: 735 mi² landSedgwick County, Kansas: 997 mi² landBarber County, Kansas: 1,134.1 mi² landSumner County, Kansas: 1,181.7 mi² land
Kingman County (dark) and its bordering county equivalents. Select a neighbor to open its profile. Drawn from the 2025 Census cartographic boundaries in an equal-area projection. How borders are determined.
Bordering county equivalentLand mi²Size vs. KingmanCompare
Reno County1,255.31.5× largerCompare
Sumner County1,181.71.4× largerCompare
Barber County1,134.11.3× largerCompare
Sedgwick County9971.2× largerCompare
Harper County801.31.1× smallerCompare
Pratt County7351.2× smallerCompare

How big is Kingman County compared with U.S. states?

Kingman County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.2 times as much. Kansas’s county land could hold about 95 areas the size of Kingman County.

Land area: Kingman County and the closest-sized states
Kingman County863.4 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 29.4 miles (47.3 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about Kingman County?

Kingman County has more land than 2,267 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Kingman County863.4 mi²
Kansas median729.7 mi²
National median604.5 mi²

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Kingman County at #1,050 nationally by total area, 95 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.

Its water share is 0.4%, compared with a national county-equivalent median of 1.2% — 0.8 percentage points lower. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Kingman County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#954Jim Wells County, Texas865.2Compare
#955Kingman County, Kansas863.4This county
#956Barron County, Wisconsin863.1Compare

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.

Representative coordinates

The Census internal point is 37.552951, -98.144529. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.

Source and precision

U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 2,236,245,117 m²; AWATER: 8,391,920 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How big is Kingman County?

Kingman County, Kansas has 863.4 square miles (2,236.2 km²) of land and 3.24 square miles of water, for a total area of 866.7 square miles. It ranks #955 of 3,222 U.S. county equivalents by land area.

Is Kingman County the largest county in Kansas?

No. Kingman County ranks #40 of 105 in Kansas by land area. The largest is Butler County, with 1,429.7 square miles of land.

What counties border Kingman County?

Kingman County shares a land border with Reno County, Harper County, Pratt County, Sedgwick County, Barber County, and Sumner County.

What is the population of Kingman County?

The Census Bureau estimates Kingman County had 7,029 residents on July 1, 2025, ranking #2,731 of 3,222 county equivalents. That is 8.1 people per square mile of land.

What is the county seat of Kingman County?

The county seat of Kingman County is Kingman.

What cities and towns are in Kingman County?

Kingman County has 7 incorporated places. The most populous five are Kingman city, Norwich city, Cunningham city, Zenda city, and Spivey city; 3,130 residents live outside any incorporated place.

Is Kingman County part of a metropolitan area?

No. Kingman County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.

How many ZIP codes are in Kingman County?

12 ZIP Code Tabulation Areas have land in Kingman County, and 7 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Kingman County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 1.2 times as much land.

How many acres of land are in Kingman County?

The land measurement converts to approximately 552,588 acres. Including water, total area is approximately 554,662 acres. One square mile equals 640 acres.

Why might another source show a different area?

Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.

Can this establish a property boundary?

No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.

Cite this county

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