Richest & Poorest Counties in Maryland

Maryland has 24 counties. The wealthiest county by median household income is Howard County at $149,763 , while the lowest-income county is Allegany County at $59,603 . The statewide median household income is $103,678, compared to the national median of $75,149.

Geography

Counties Zip Codes

Metric

Richest Counties in Maryland

Top 10 counties ranked by median household income.

# County Income
1 Howard County $149,763
2 Calvert County $133,922
3 Montgomery County $132,450
4 Anne Arundel County $124,911
5 Charles County $122,816
6 Frederick County $122,002
7 St. Mary's County $119,446
8 Carroll County $118,211
9 Queen Anne's County $112,826
10 Harford County $112,265

Poorest Counties in Maryland

Bottom 10 counties ranked by median household income.

# County Income
24 Allegany County $59,603
23 Dorchester County $61,839
22 Baltimore city $62,177
21 Somerset County $64,943
20 Garrett County $67,688
19 Caroline County $68,457
18 Wicomico County $76,210
17 Washington County $77,747
16 Kent County $80,147
15 Worcester County $81,745

All 24 Counties Ranked

Every county in Maryland ranked by median household income. Click any county for its full profile.

# County Income
1 Howard County $149,763
2 Calvert County $133,922
3 Montgomery County $132,450
4 Anne Arundel County $124,911
5 Charles County $122,816
6 Frederick County $122,002
7 St. Mary's County $119,446
8 Carroll County $118,211
9 Queen Anne's County $112,826
10 Harford County $112,265
11 Prince George's County $101,798
12 Cecil County $92,007
13 Baltimore County $91,768
14 Talbot County $84,811
15 Worcester County $81,745
16 Kent County $80,147
17 Washington County $77,747
18 Wicomico County $76,210
19 Caroline County $68,457
20 Garrett County $67,688
21 Somerset County $64,943
22 Baltimore city $62,177
23 Dorchester County $61,839
24 Allegany County $59,603

About This Data

All figures are estimates from the American Community Survey 2024 5-Year Estimates, published by the U.S. Census Bureau. Values are subject to sampling variability and margin of error.

Rankings are within Maryland only and may differ from national rankings. For more information, see our methodology.