What is the income of a household in ?

Refreshed annually
The median household income in St. Mary's County, MD was $119,400 in 2020–2024. Household income is the total money received in a year — wages, pensions, investments, public assistance, and more — by everyone in a household over 15.

$119K

Median household income (2020-2024)

15.2%

higher than Maryland (2020-2024)

Median incomes vary by geography due to a range of factors:

  • differences in cost of living
  • local job markets
  • economic opportunities, such as the presence of high-paying industries or declining sectors
  • regional policies, such as minimum wage
  • access to education
  • variations in economic development
Median household income in St. Mary's County, MD was $119,400 from 2020–2024. This was 15.2% higher than in the state of Maryland, and 48.0% higher than in the US.

From 2020–2024, median household income in St. Mary's County, MD was 15.2% higher than in Maryland as a whole, at $119,400.

Median household income by geographic area in 2020–2024, adjusted for inflation (2024 dollars)

What is the income distribution in St. Mary's County, MD? How does this compare to Maryland as a whole?

The median household income is a useful summary, but it doesn’t fully capture the income landscape. Examining the income distribution provides insight into economic diversity and reveals patterns in income concentrations across different brackets. This perspective helps to better understand the range of and disparities in household earnings.
From 2020–2024, half of households in St. Mary's County, MD made more than $119,400 and the other half made less. Compared to Maryland as a whole, St. Mary's County had more households in the $150,000 to $199,999 income range and fewer in the less than $50,000 range.

From 2020-2024, half of households in St. Mary's County, MD made over $119,400 and the other half made less.

Share of households in each income group in St. Mary's County, MD (2020–2024)

How does income vary by household type?

Household income can differ depending on the makeup of the household.
Married couple households had a higher median income than other types of familial households in 2020–2024. Among nonfamily households, males not living alone had a higher median income than females not living alone.

From 2020-2024, married-couple households had the highest median income.

Median income by household type in St. Mary's County, MD in 2020-2024, adjusted for inflation (2024 dollars)

How does the median income in St. Mary's County, MD compare to other counties?

Lastly, household income also varies by geography due to differences in cost of living, local job markets, and economic opportunities (e.g. the presence of high-paying industries or declining sectors). Regional policies (like minimum wage), access to education, and other economic factors can also play a role in shaping local income levels.
When ranked highest to lowest, St. Mary's County was ranked 7th in median household income among counties in Maryland from 2020–2024. Counties with a similar median income include Frederick County (6th) and Carroll County (8th).

From 2020-2024, St. Mary's County, MD ranked 7th in median household income among counties in Maryland.

Median household income by county (2020–2024), adjusted for inflation (2024 dollars)

Median household income, by county in Maryland (2020–2024)

Median household income, by county in Maryland (2020–2024)
1.

Howard County, MD

$149,800
2.

Calvert County, MD

$133,900
3.

Montgomery County, MD

$132,500
4.

Anne Arundel County, MD

$124,900
5.

Charles County, MD

$122,800
6.

Frederick County, MD

$122,000
7.

St. Mary's County, MD

$119,400
8.

Carroll County, MD

$118,200
9.

Queen Anne's County, MD

$112,800
10.

Harford County, MD

$112,300

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Methodology

USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.

Page sources

USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.