KS · GEOID 20079

Harvey County area

Harvey County, Kansas covers 540.7 square miles: 539.8 square miles of land and 1 square miles of water.

Official Census measurements2026 Gazetteer · retrieved September 27, 2026
Land area539.8 mi²
Water area1 mi²
Total area540.7 mi²
National land rank#1937

County outline

Generalized outline of Harvey 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 Harvey County is located

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

Area breakdown

Land accounts for 99.8% of Harvey County’s measured area and water for 0.2%. Its combined area converts to 1,400.5 square kilometers or approximately 346,063 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land539.7561,397.962345,443.8
Water0.9672.505618.9
Total540.7231,400.466346,062.7

How Harvey County compares

By original Census land area, Harvey County ranks #95 of 105 in Kansas and #1937 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.74 times the Kansas county-equivalent median of 729.7 square miles. It accounts for 0.7% of the combined county land area in the state.

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

What stands out about Harvey County?

Harvey County has more land than 1,285 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Harvey County539.8 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 Harvey County at #2,038 nationally by total area, 101 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 0.2%, compared with a national county-equivalent median of 1.2% — 1 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 Harvey County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1936Phelps County, Nebraska539.8Compare
#1937Harvey County, Kansas539.8This county
#1938McDonald County, Missouri539.4Compare

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 38.050144, -97.436706. 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: 1,397,962,400 m²; AWATER: 2,503,283 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 many acres of land are in Harvey County?

The land measurement converts to approximately 345,444 acres. Including water, total area is approximately 346,063 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

Download the complete CSV or JSON dataset