Caroline County, Maryland

Caroline County population, land area and income

Caroline County had 34,248 residents in the Census Vintage 2024 estimate, on 319.4 square miles of land. It ranks 20th of 24 in Maryland by population and 19th by land area. That works out to 107.2 people per square mile, near the US average of 96.3, and above the national county median.

The median county-equivalent in Maryland has 111,399 residents, so Caroline County has 31% of the typical county's population.

Its SAIPE 2023 median household income of $63,491 is above the national county median among 3,143 counties with an estimate.

How Caroline County's population changed since 2020

Caroline County gained 971 residents between the July 2020 and July 2024 estimates, a rise of 2.9%. That ranks 5th of 24 in Maryland for growth. The median Maryland county changed by +2.1%, and the state as a whole by +1.4%.

Since the April 2020 estimates base, Caroline County recorded 1,954 births and 1,702 deaths, a natural change of +252. Net international migration added +465 and net domestic migration, people moving to or from other US counties, came to +234. The largest single component was international migration, which added 465 people.

Where Caroline County is

The Census internal point of Caroline County is at 38.871500, -75.831700. It sits in UTM zone 18N. The map shades Maryland's 24 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Caroline County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Caroline County

4 incorporated places of 1,000+ people have residents in Caroline County, 11,535 people together, or 34% of the county. Each figure counts only the part of the town inside Caroline County; towns marked "part" extend into another county. The largest is Denton with 5,049.

Counties bordering Caroline County

The Census 2024 county adjacency file lists 5 neighbors for Caroline County, including 2 across a state line. The most populous is Sussex County, DE, with 271,134 residents. Distances run between Census internal points in a straight line.

• DE

  Sussex County, DE

  271,134 people

  30 mi ESE

• DE

  Kent County, DE

  192,690 people

  24 mi NE

• Queen Anne's County

  53,688 people

  18 mi NW

• Talbot County

  38,244 people

  21 mi WSW

• Dorchester County

  33,138 people

  33 mi SSW

Distance to Annapolis and the nearest big city

Annapolis is 36.2 miles WNW of Caroline County's internal point in a straight line. The nearest place of 100,000 or more is Baltimore, MD (population 568,271), 51.2 miles away. The nearest place of 10,000 or more is Easton, MD (population 17,381), 14.4 miles away.

Caroline County FIPS code

The FIPS code of Caroline County is 24011: state code 24 for Maryland plus county code 011. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $63,491.