Wabaunsee County area

Population and density of Wabaunsee County

The Census Bureau estimates that 7,018 people lived in Wabaunsee County on July 1, 2025. That ranks #2,734 of 3,222 county equivalents nationally and #53 of 105 in Kansas. Since the April 1, 2020 estimates base of 6,880, the population has grown by 138 (+2%), compared with +1.3% for Kansas as a whole.

With 794.3 square miles of land, that is 8.8 people per square mile (3.4 per km²), placing Wabaunsee County #2,686 nationally for density and #51 in Kansas. The median county equivalent has 47 people per square mile; the Kansas median is 8.1. Put another way, there are about 72 acres of land per resident.

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 Wabaunsee County

9 incorporated places lie at least partly in Wabaunsee County. Together they are home to 2,940 people (41.9%); the other 4,078 (58.1%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Alma city, with 830 residents in the county. By land, Wamego city is the largest at 2.637 mi² across all its counties.

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

Metropolitan area

Wabaunsee County is an outlying county of the Topeka, KS Metropolitan Statistical Area. Its 5 county equivalents have 233,052 residents on 3,232.7 square miles of land; Wabaunsee County accounts for 24.6% of the land and 3% of the residents. By combined land it ranks #94 of 393 metropolitan areas, and #209 by population.

ZIP codes

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

66401664076641366423664316650166502665076652666536665476661066614666156683466846

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 Wabaunsee County

Wabaunsee County shares a land border with 7 county equivalents. It has more land than 5 of them. The largest neighbor is Lyon County (847.5 mi²) and the smallest is Geary County (384.7 mi²). Together with its neighbors, Wabaunsee County forms a block of 5,421.7 mi² of land, of which it holds 14.7%.

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

Wabaunsee County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.3 times as much. Kansas’s county land could hold about 103 areas the size of Wabaunsee County.

Another way to picture it: the same land area would fill a square about 28.2 miles (45.4 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 Wabaunsee County?

Wabaunsee County has more land than 2,143 of the other 3,221 county equivalents in the dataset.

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 Wabaunsee County at #1,184 nationally by total area, 105 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 0.7%, compared with a national county-equivalent median of 1.2% — 0.5 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 Wabaunsee County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

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.