Counties in Maryland by median household income (US single-year estimate)

Howard County had the highest median household income (US single-year estimate) of 24 counties in 2015, at $110,224. Somerset County had the lowest, at $38,692. The median was $68,645 and the figure for Maryland was $75,784. Source: the U.S. Census Bureau.

Highest110,224Howard County

Lowest38,692Somerset County

Median68,64524 counties

Maryland75,784History

Map of counties, 2015

Under 49K
49K to 57K
57K to 78K
78K to 86K
86K and over

USD, 2015. Source: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2015

USD. Source: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties. Retrieved 2026-10-12.

Full ranking

Rank	Counties	2015 USD	Change on 2014
1	Howard County	110,224	+3.1%
2	Calvert County	98,937	+7%
3	Montgomery County	98,314	+1.1%
4	Anne Arundel County	90,825	+4.8%
5	Charles County	87,941	+1.4%
6	Carroll County	84,506	0%
7	Queen Anne's County	83,914	+4%
8	Frederick County	83,746	+0.1%
9	St. Mary's County	83,148	-1.8%
10	Harford County	77,992	-1.8%
11	Prince George's County	76,366	+6.2%
12	Cecil County	68,972	+10.9%
13	Baltimore County	68,317	+0.8%
14	Talbot County	62,018	+13.1%
15	Washington County	55,270	+1.2%
16	Worcester County	53,366	-4.2%
17	Kent County	52,274	-1.9%
18	Wicomico County	52,153	+0.4%
19	Caroline County	51,294	+3.5%
20	Garrett County	46,469	-2%
21	Dorchester County	44,664	+5.6%
22	Baltimore city	43,192	+3.1%
23	Allegany County	39,859	+0.1%
24	Somerset County	38,692	+0.8%

Other periods

About this ranking

Household income at the middle of the distribution for one year, in US dollars of that year. United States: Census Bureau Small Area Income and Poverty Estimates (SAIPE) for the nation, states and counties.

A model-based estimate that combines the one-year American Community Survey with federal tax records and other administrative data, so every county gets a figure for a single year. The national figure is the one-year ACS estimate. Not adjusted for inflation between years. The Census Bureau advises comparing years from 2006 on only. For the five-year ACS median, which also covers cities, use median_household_income.

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. Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties. https://www2.census.gov/programs-surveys/saipe/datasets/2015/2015-state-and-county/est15all.txt. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties (Counties in Maryland by median household income (US single-year estimate), 2015) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/saipe/datasets/2015/2015-state-and-county/est15all.txt

MLA 9

Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties, Counties in Maryland by median household income (US single-year estimate), 2015. U.S. Census Bureau, 27 Jan. 2026, https://www2.census.gov/programs-surveys/saipe/datasets/2015/2015-state-and-county/est15all.txt. Invokely, https://invokely.ai/rankings/median-household-income-single-year-us/maryland-counties?period=2015. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties. Counties in Maryland by median household income (US single-year estimate), 2015. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/saipe/datasets/2015/2015-state-and-county/est15all.txt. Also distributed by Invokely, https://invokely.ai/rankings/median-household-income-single-year-us/maryland-counties?period=2015.

Harvard

U.S. Census Bureau (2026) Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties, Counties in Maryland by median household income (US single-year estimate), 2015 [Dataset]. Available at: https://www2.census.gov/programs-surveys/saipe/datasets/2015/2015-state-and-county/est15all.txt, via Invokely: https://invokely.ai/rankings/median-household-income-single-year-us/maryland-counties?period=2015 (Accessed: 12 October 2026).

BibTeX

@misc{census_counties_in_maryland_by_2015,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties: Counties in Maryland by median household income (US single-year estimate), 2015}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/saipe/datasets/2015/2015-state-and-county/est15all.txt},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/median-household-income-single-year-us/maryland-counties?period=2015. Publisher attribution: U.S. Census Bureau. Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties. https://www2.census.gov/programs-surveys/saipe/datasets/2015/2015-state-and-county/est15all.txt. Retrieved 2026-10-12.},
}

RIS

TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties: Counties in Maryland by median household income (US single-year estimate), 2015
PY  - 2026
DA  - 2026/01/27
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/saipe/datasets/2015/2015-state-and-county/est15all.txt
L2  - https://invokely.ai/rankings/median-household-income-single-year-us/maryland-counties?period=2015
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/median-household-income-single-year-us/maryland-counties?period=2015.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties. https://www2.census.gov/programs-surveys/saipe/datasets/2015/2015-state-and-county/est15all.txt. Retrieved 2026-10-12.
ER  -

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Questions

Which county has the highest median household income (US single-year estimate)?

Howard County, with $110,224 in 2015, according to the U.S. Census Bureau.

Which county has the lowest median household income (US single-year estimate)?

Somerset County, with $38,692 in 2015.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE): median household income, nation, states and counties. Retrieved 2026-10-12.