Census ACS · ZIP Code Tabulation Area

20618 Income Statistics for 2026

St. Mary's County, Maryland

Median household income

$105,508

Median household income ($105,508) is lower than St. Mary's County County ($125,867).

20618$105,508
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

$156,136

Average household income ($156,136) is higher than St. Mary's County County ($144,362).

20618$156,136
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

$59,691

Per-capita income ($59,691) is higher than St. Mary's County County ($53,663).

20618$59,691
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+

51.8%

Households earning $100k+ (51.8%) is lower than St. Mary's County County (58.0%).

2061851.8%
St. Mary's County County58.0%
2060961.9%
2063088.1%
2069283.5%
2067467.4%
2063671.8%

All demographics

Population
1,705
Households
656
Median age
52.0 yrs
Median household income
$105,508
Mean household income
$156,136
Per capita income
$59,691
Median home value
$355,000
Median gross rent
$1,905
Owner-occupied housing
83.4%
Bachelor's degree or higher
16.6%
In labor force
57.1%
Poverty rate
3.1%
Households earning $100k+
51.8%
Population under 5
2.9%
Population age 18–34
14.8%
Population age 25–44
18.6%
Population age 45–64
29.1%
Population age 65+
31.6%
Hispanic or Latino
2.8%
Black (non-Hispanic)
40.7%
Asian (non-Hispanic)
0.0%
Unemployment rate
10.8%
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/20618

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Permanent URL backed by Census ACS data in PocketBase.

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