Data / Rankings / Median household income / Counties in Maryland

Counties in Maryland by median household income

Howard County had the highest median household income of 24 counties in 2021, at $129,549. Somerset County had the lowest, at $48,661. The median was $81,832 and the figure for Maryland was $91,431. Source: the U.S. Census Bureau.

Highest129,549Howard County
Lowest48,661Somerset County
Median81,83224 counties
Maryland91,431History

All counties, 2021

CSVChart (SVG)

Howard CountyHoward County: 129,549 USD129,549Calvert CountyCalvert County: 120,295 USD120,295Montgomery CountyMontgomery County: 117,345 USD117,345Anne Arundel CountyAnne Arundel County: 108,048 USD108,048Charles CountyCharles County: 107,808 USD107,808Frederick CountyFrederick County: 106,129 USD106,129Carroll CountyCarroll County: 104,708 USD104,708St. Mary's CountySt. Mary's County: 102,859 USD102,859Queen Anne's CountyQueen Anne's County: 99,597 USD99,597Harford CountyHarford County: 98,495 USD98,495Prince George's CountyPrince George's County: 91,124 USD91,124Baltimore CountyBaltimore County: 81,846 USD81,846Cecil CountyCecil County: 81,817 USD81,817Talbot CountyTalbot County: 79,349 USD79,349Worcester CountyWorcester County: 71,262 USD71,262Washington CountyWashington County: 67,349 USD67,349Kent CountyKent County: 64,451 USD64,451Wicomico CountyWicomico County: 63,610 USD63,610Caroline CountyCaroline County: 63,027 USD63,027Garrett CountyGarrett County: 58,011 USD58,011Dorchester CountyDorchester County: 55,652 USD55,652Baltimore cityBaltimore city: 54,124 USD54,124Allegany CountyAllegany County: 51,090 USD51,090Somerset CountySomerset County: 48,661 USD48,661
USD. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2021
USD
1Howard County129,549
2Calvert County120,295
3Montgomery County117,345
4Anne Arundel County108,048
5Charles County107,808
6Frederick County106,129
7Carroll County104,708
8St. Mary's County102,859
9Queen Anne's County99,597
10Harford County98,495
11Prince George's County91,124
12Baltimore County81,846
13Cecil County81,817
14Talbot County79,349
15Worcester County71,262
16Washington County67,349
17Kent County64,451
18Wicomico County63,610
19Caroline County63,027
20Garrett County58,011
21Dorchester County55,652
22Baltimore city54,124
23Allegany County51,090
24Somerset County48,661

Other periods

About this ranking

Household income in the past 12 months at the middle of the distribution, in US dollars adjusted to the last year of the period. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

US dollars. For Spanish places use net_income_per_household (average, EUR).

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B19013: median household income in the past 12 months. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b19013.dat. Retrieved 2026-10-08.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank Counties in Maryland by median household income using official data, and cite the source.
rank_places {"indicator":"median_household_income","level":"province","within":"Maryland","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=median_household_income&level=province&within=Maryland&limit=10

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

Which county has the highest median household income?

Howard County, with $129,549 in 2021, according to the U.S. Census Bureau.

Which county has the lowest median household income?

Somerset County, with $48,661 in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B19013: median household income in the past 12 months. Retrieved 2026-10-08.

Median household income: other rankings

Counties in Maryland: more rankings