Census ACS · ZIP Code Tabulation Area

20684 Income Statistics for 2026

St. Mary's County, Maryland

Median household income

$180,060

Median household income ($180,060) is higher than St. Mary's County County ($125,867).

20684$180,060
St. Mary's County County$125,867
20609$118,102
20630$233,411
20692$201,250
20674$171,985
20636$163,690

Average household income

$165,122

Average household income ($165,122) is higher than St. Mary's County County ($144,362).

20684$165,122
St. Mary's County County$144,362
20609$304,498
20630$232,777
20692$201,482
20674$180,382
20636$176,948

Per-capita income

$71,244

Per-capita income ($71,244) is higher than St. Mary's County County ($53,663).

20684$71,244
St. Mary's County County$53,663
20609$146,472
20630$107,189
20692$79,189
20674$65,661
20636$57,365

Households earning $100k+

68.6%

Households earning $100k+ (68.6%) is higher than St. Mary's County County (58.0%).

2068468.6%
St. Mary's County County58.0%
2060961.9%
2063088.1%
2069283.5%
2067467.4%
2063671.8%

All demographics

Population
802
Households
357
Median age
44.2 yrs
Median household income
$180,060
Mean household income
$165,122
Per capita income
$71,244
Median home value
$360,500
Median gross rent
Owner-occupied housing
93.0%
Bachelor's degree or higher
49.7%
In labor force
58.4%
Poverty rate
1.1%
Households earning $100k+
68.6%
Population under 5
0.0%
Population age 18–34
14.5%
Population age 25–44
37.2%
Population age 45–64
22.3%
Population age 65+
20.6%
Hispanic or Latino
0.1%
Black (non-Hispanic)
1.1%
Asian (non-Hispanic)
0.0%
Unemployment rate
0.0%
Open in interactive explorer

County and peer ZIP comparisons use population-weighted aggregates from other ZCTAs in the same county. Source: US Census Bureau ACS 5-year estimates. Page URL: https://resource.skyrocketbpo.com/tools/market-research/us-income-demographics-by-zip-code/maryland/20684

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Permanent URL backed by Census ACS data in PocketBase.

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