DE · GEOID 10001

Kent County area

Kent County, Delaware covers 798.3 square miles: 586.1 square miles of land and 212.3 square miles of water.

Official Census measurements2026 Gazetteer · retrieved September 27, 2026
Land area586.1 mi²
Water area212.3 mi²
Total area798.3 mi²
National land rank#1678

County outline

Generalized outline of Kent County, Delaware
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 Kent County is located

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

Area breakdown

Land accounts for 73.4% of Kent County’s measured area and water for 26.6%. Its combined area converts to 2,067.7 square kilometers or approximately 510,932 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land586.0611,517.891375,079
Water212.27549.777135,852.8
Total798.3312,067.668510,931.8

How Kent County compares

By original Census land area, Kent County ranks #2 of 3 in Delaware and #1678 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1 times the Delaware county-equivalent median of 586.1 square miles. It accounts for 30.1% of the combined county land area in the state.

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

What stands out about Kent County?

Kent County has more land than 1,544 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Kent County586.1 mi²
Delaware median586.1 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 Kent County at #1,188 nationally by total area, 490 places closer to the top than its land rank. The water assigned to this geography moves it ahead of some county equivalents with more land.

Its water share is 26.6%, compared with a national county-equivalent median of 1.2% — 25.4 percentage points higher. 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 Kent County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1677Richland County, Wisconsin586.2Compare
#1678Kent County, Delaware586.1This county
#1679Woodruff County, Arkansas586Compare

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 39.097088, -75.502982. 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: 1,517,891,100 m²; AWATER: 549,776,927 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 Kent County?

The land measurement converts to approximately 375,079 acres. Including water, total area is approximately 510,932 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