Queen Anne's County area

Population and density of Queen Anne's County

The Census Bureau estimates that 54,448 people lived in Queen Anne's County on July 1, 2025. That ranks #967 of 3,222 county equivalents nationally and #18 of 24 in Maryland. Since the April 1, 2020 estimates base of 49,881, the population has grown by 4,567 (+9.2%), compared with +1.4% for Maryland as a whole.

With 371.7 square miles of land, that is 146 people per square mile (57 per km²), placing Queen Anne's County #787 nationally for density and #17 in Maryland. The median county equivalent has 47 people per square mile; the Maryland median is 335. Put another way, there are about 4.4 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 Queen Anne's County

8 incorporated places lie at least partly in Queen Anne's County. Together they are home to 7,250 people (13.3%); the other 47,198 (86.7%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Centreville town, with 4,782 residents in the county.

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

Metropolitan area

Queen Anne's County is an outlying county of the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area. Its 7 county equivalents have 2,857,781 residents on 2,601.5 square miles of land; Queen Anne's County accounts for 14.3% of the land and 1.9% of the residents. By combined land it ranks #125 of 393 metropolitan areas, and #22 by population. It belongs to the Washington-Baltimore-Arlington, DC-MD-VA-WV-PA Combined Statistical Area.

ZIP codes

16 ZIP Code Tabulation Areas have land in Queen Anne's County; 12 of them have most of their land inside the county, and the others mainly cover neighboring areas.

21607216172161921620216232162821638216402164421649216512165721658216662166821679

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 Queen Anne's County

Queen Anne's County shares a land border with 4 county equivalents, including 1 in Delaware. It has more land than 3 of them. The largest neighbor is Kent County (586.1 mi²) and the smallest is Talbot County (268.6 mi²). Together with its neighbors, Queen Anne's County forms a block of 1,822.7 mi² of land, of which it holds 20.4%.

How big is Queen Anne's County compared with U.S. states?

Queen Anne's County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.8 times as much. Maryland’s county land could hold about 26 areas the size of Queen Anne's County.

Another way to picture it: the same land area would fill a square about 19.3 miles (31 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 Queen Anne's County?

Queen Anne's County has more land than 594 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 Queen Anne's County at #2,136 nationally by total area, 492 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 27.2%, compared with a national county-equivalent median of 1.2% — 26.1 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 Queen Anne's 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.