RANKING · 2010 CENSUS · 24 SHOWN OF 24

Largest households, Maryland counties · 2010

Maryland counties ranked by average household size (2010 ACS). This list covers the 24 counties in Maryland that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS –

01Calvert County, MDMD94,4842.87–

02Charles County, MDMD176,5932.86–

03Prince George's County, MDMD970,3742.76–

04Cecil County, MDMD107,1312.74–

05St. Mary's County, MDMD116,6922.74–

06Caroline County, MDMD34,1162.73–

07Carroll County, MDMD176,6772.73–

08Howard County, MDMD339,1832.70–

09Queen Anne's County, MDMD54,4482.69–

10Harford County, MDMD266,4462.69–

11Frederick County, MDMD302,8832.68–

12Montgomery County, MDMD1,074,5822.66–

13Anne Arundel County, MDMD603,3802.59–

14Wicomico County, MDMD106,8992.57–

15Washington County, MDMD157,7312.52–

16Baltimore, MDMD569,9972.52–

17Baltimore County, MDMD847,6502.47–

18Garrett County, MDMD28,3702.42–

19Kent County, MDMD19,5652.41–

20Talbot County, MDMD38,2382.37–

21Dorchester County, MDMD33,6282.37–

22Somerset County, MDMD24,9732.35–

23Allegany County, MDMD66,8482.34–

24Worcester County, MDMD54,4592.30–

SHOWING 1–24 OF 24

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS