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ZIP 20620 · Callaway

Who lives in ZIP code 20620 (Callaway, MD): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

Callaway, MD · St. Mary's County

uszips 2026
People1,115
Median age41.6
Household income$165,972
Home value$389,704
Median rent—
Poverty4.9%
College degree+24.9%
Commute21 min

Place

Metro area
Lexington Park, MD
Wider region
Washington-Baltimore-Arlington, DC-MD-VA-WV-PA
Time zone
Eastern
Density
100 / sq mi
Housing units
389

County

St. Mary's100%

Share of the ZIP's people in each county.

Age mix

Under 104.4%
10–193.7%
20s6.4%
30s34.7%
40s17.7%
50s28.7%
60s1.4%
70s0.9%
80+2.3%

3.1% are 65 or older; 93.7% are adults.

Household income

Under $25K2.6%
$25K–50K3.6%
$50K–75K9.0%
$75K–100K10.3%
$100K–150K12.1%
$150K+62.5%

74.6% of households earn $100K+. Median per person: $86,897.

Education (adults 25+)

Less than high school1.9%
High school28.5%
Some college44.7%
Bachelor's20.0%
Graduate4.9%

65.1% of degrees are in STEM fields.

Race

White64.4%
Black3.8%
Asian0.0%
Native American0.0%
Pacific Islander0.0%
Other0.0%
Two or more31.8%

28.9% Hispanic or Latino (of any race).

Households & family

Married
51.5%
Never married
32.2%
Divorced
13.0%
Widowed
3.3%
Family size
3.63
Dual-income families
64.4%

Housing

Own their home
96.4%
Rent burden
—
Men / women
52% / 48%

Work

In labor force
52.4%
Unemployment
0.0%
Self-employed
8.2%
Farmers
0.0%

Community

Charitable givers
34.2%
Veterans
19.3%
With a disability
21.7%
No health insurance
1.1%
Limited English
0.0%

Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.

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