Kent County, Delaware

Kent County population, land area and income

Kent County had 192,690 residents in the Census Vintage 2024 estimate, on 586.1 square miles of land. It ranks 3rd of 3 in Delaware by population and 2nd by land area. That works out to 328.8 people per square mile, 3.4 times the US average of 96.3, and in the top quarter nationally.

The median county-equivalent in Delaware has 271,134 residents; Kent County is somewhat smaller.

Its SAIPE 2023 median household income of $72,498 is above the national county median among 3,143 counties with an estimate.

How Kent County's population changed since 2020

Kent County gained 10,373 residents between the July 2020 and July 2024 estimates, a rise of 5.7%. That ranks 2nd of 3 in Delaware for growth. The median Delaware county changed by +5.7%, and the state as a whole by +6.0%.

Since the April 2020 estimates base, Kent County recorded 8,943 births and 9,131 deaths, a natural change of -188. Net international migration added +1,744 and net domestic migration, people moving to or from other US counties, came to +9,281. The largest single component was domestic migration, which added 9,281 people.

Where Kent County is

The Census internal point of Kent County is at 39.097100, -75.503000. It sits in UTM zone 18N. The map shades Delaware's 3 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Kent County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Kent County

10 incorporated places of 1,000+ people have residents in Kent County, 79,068 people together, or 41% of the county. Each figure counts only the part of the town inside Kent County; towns marked "part" extend into another county. The largest is Dover with 40,191.

Counties bordering Kent County

The Census 2024 county adjacency file lists 8 neighbors for Kent County, including 6 across a state line. The most populous is New Castle County, DE, with 588,093 residents. Distances run between Census internal points in a straight line.

• New Castle County

  588,093 people

  34 mi NNW

• Sussex County

  271,134 people

  31 mi SSE

• NJ

  Cumberland County, NJ

  155,678 people

  26 mi NE

• NJ

  Cape May County, NJ

  93,875 people

  35 mi E

• NJ

  Salem County, NJ

  65,874 people

  34 mi NNE

• MD

  Queen Anne's County, MD

  53,688 people

  31 mi W

• MD

  Caroline County, MD

  34,248 people

  24 mi SW

• MD

  Kent County, MD

  19,557 people

  35 mi WNW

Distance to Dover and the nearest big city

Dover is 4.2 miles NNW of Kent County's internal point in a straight line. The nearest place of 100,000 or more is Baltimore, MD (population 568,271), 61.0 miles away. The nearest place of 10,000 or more is Dover, DE (population 40,191), 4.5 miles away.

Kent County FIPS code

The FIPS code of Kent County is 10001: state code 10 for Delaware plus county code 001. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $72,498.