Postal Codes

20685 ZIP Code

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ZIP code 20685 covers Saint Leonard, Maryland, with a population of about 6,481 and a median household income of $122,059.

Population
6,481283 per square mile
Median age
45.26.5 points above the US average
Median household income
$122,0591.2× the Maryland median
Poverty rate
0.5%11.9 points below the US average
Typical home value
$462,927up 15.6% in five years
Median rent
$1,5159% below the Maryland median
Degree or higher
23.6%11.4 points below the US average
Homeownership
94.5%29.5 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
72

Where 20685 is

Saint Leonard, Maryland — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population6,481
Median age45.2
Family households76.5%
Born outside the US2.1%
Speaks a language other than English at home3.1%
White (non-Hispanic)76.7%
Black (non-Hispanic)13.8%
Asian (non-Hispanic)0.3%
Hispanic or Latino2.4%
Veterans11.8%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$122,059
Income per person$57,809
Poverty rate0.5%
Households on SNAP or cash assistance3.7%

Household income distribution

Under $10k0.0%
$10–15k0.0%
$15–20k1.9%
$20–25k1.1%
$25–30k0.0%
$30–35k2.6%
$35–40k1.1%
$40–45k5.1%
$45–50k0.4%
$50–60k5.6%
$60–75k7.6%
$75–100k9.6%
$100–125k15.7%
$125–150k8.0%
$150–200k17.3%
$200k or more24.1%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed3,350
Mean adjusted gross income$102,943
Returns declaring $200,000 or more11%
Returns, under $25k21.2%
Returns, $25k–$50k17.0%
Returns, $50k–$75k12.8%
Returns, $75k–$100k11.0%
Returns, $100k–$200k26.9%
Returns, $200k or more11.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$431,200
Median gross rent$1,515
Owner-occupied94.5%
Vacant homes5.5%
Median year built1986

What the homes are

Detached house96.8%
Attached house3.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$462,927as of 2026-07
Typical home value, 1 yearup 1.8%
Typical home value, 5 yearsup 15.6%
Typical home value, 10 yearsup 54.8%
Typical home value since 2000
200020132026$462,927$160,228

$160,228 in 2000 to $462,927 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1%
Bachelor's degree or higher23.6%
High school diploma or higher93.1%
Works from home17.6%
Drives to work alone75.1%
Takes public transport0.3%
Commutes 45 minutes or more34.2%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity36.2% 2.8 pts above the national average of 33.4%
Diagnosed diabetes10.7% 1.3 pts below the national average of 12%
Currently smokes11.6% 1.6 pts below the national average of 13.2%
High blood pressure36.5% 2.4 pts above the national average of 34.1%
Fair or poor general health16.1% 4.2 pts below the national average of 20.3%
No health insurance (18–64)6.3% 5 pts below the national average of 11.3%
Depression20.6% 1.3 pts below the national average of 21.9%
No leisure-time physical activity19.7% 5.7 pts below the national average of 25.4%
Arthritis28.1% 3 pts above the national average of 25.1%
Binge drinking16.5% 0.5 pts above the national average of 16%
Taking blood pressure medication77% 2.3 pts above the national average of 74.7%
Cancer (non-skin)8.9% 1.2 pts above the national average of 7.7%
Current asthma10.8% same as the national average of 10.4%
Coronary heart disease5.6% 0.6 pts below the national average of 6.2%
Routine check-up in past year78.9% 2.2 pts above the national average of 76.7%
Cholesterol screening89.7% 3.8 pts above the national average of 85.9%
Cognitive disability12.5% 2.3 pts below the national average of 14.8%
Colorectal screening68.1% 3.8 pts above the national average of 64.3%
COPD6.1% 0.5 pts below the national average of 6.6%
Visited a dentist68.7% 7.4 pts above the national average of 61.3%
Any disability26.9% 3.8 pts below the national average of 30.7%
Lacks emotional support21.6% 3.2 pts below the national average of 24.8%
Food insecurity10.3% 6.8 pts below the national average of 17.1%
Received food stamps7.4% 6.9 pts below the national average of 14.3%
Hearing disability6% 0.7 pts below the national average of 6.7%
High cholesterol37.6% 1.4 pts above the national average of 36.2%
Housing insecurity9.7% 4.1 pts below the national average of 13.8%
Independent living disability6.4% 2 pts below the national average of 8.4%
Lacks transport5.9% 3.3 pts below the national average of 9.2%
Loneliness33.1% 1.3 pts below the national average of 34.4%
Mammography use79.2% 3.3 pts above the national average of 75.9%
Poor mental health (14+ days)15.6% 1.2 pts below the national average of 16.8%
Mobility disability11.4% 2.6 pts below the national average of 14%
Poor physical health (14+ days)12.3% 1.2 pts below the national average of 13.5%
Self-care disability2.9% 1.1 pts below the national average of 4%
Utility shut-off threat6% 2.8 pts below the national average of 8.8%
Sleeps under 7 hours37.3% 0.9 pts above the national average of 36.4%
Stroke3% same as the national average of 3.4%
All natural teeth lost7.8% 5.2 pts below the national average of 13%
Vision disability3.6% 2 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments72
People employed299
Annual payroll$13,832,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 37.7% of US census tracts
FEMA ratingVery Low to Relatively Low across the 2 census tracts this ZIP code covers
Expected annual loss49.7 out of 100
Community resilience90.2 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Coastal flooding95.3Relatively High at its worst in this ZIP code
Drought95Relatively Moderate at its worst in this ZIP code
Landslide93.5Relatively Low at its worst in this ZIP code
Hurricane85.8Relatively Moderate at its worst in this ZIP code
Wildfire85.5Relatively Low at its worst in this ZIP code
Lightning81.6Relatively High at its worst in this ZIP code
Strong wind75.8Relatively Moderate at its worst in this ZIP code
Heat wave74.2Relatively Moderate at its worst in this ZIP code
Winter weather73.8Relatively Moderate at its worst in this ZIP code
Hail53.8Relatively Low at its worst in this ZIP code
Ice storm53.4Relatively Low at its worst in this ZIP code
Earthquake42.2Relatively Low at its worst in this ZIP code
Cold wave41.4Relatively Low at its worst in this ZIP code
Tornado27.5Very Low at its worst in this ZIP code
River flooding21.7Relatively Low at its worst in this ZIP code
Compared with Maryland and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMarylandUnited States
Median household income$122,059$101,652$78,538
Income per person$57,809$51,689$43,289
Poverty rate0.5%9.3%12.4%
Median home value$431,200$397,700$303,400
Median gross rent$1,515$1,662$1,348
Homeownership94.5%67.5%65%
Bachelor's degree or higher23.6%42.7%35%
Unemployment rate1%4.9%5.2%
Works from home17.6%17.2%13.5%
Born outside the US2.1%16.3%13.9%
Median age45.239.338.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationSOLOMONS, MD US15.4 km away

Average high and low by month

January45.3°F / 30.1°F
February47.6°F / 30.8°F
March54.9°F / 37.6°F
April65.4°F / 47.4°F
May74.2°F / 57.9°F
June83.8°F / 67.6°F
July87.9°F / 72.7°F
August86.3°F / 71°F
September79.9°F / 65°F
October68.7°F / 53.4°F
November58.6°F / 43°F
December50.1°F / 34.5°F
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket21% of this ZIP code's area
No vehicle and far from a supermarket12% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Calvert County Public Schools100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability6more vulnerable than 6% of US census tracts
Socioeconomic status10more vulnerable than 10% of US census tracts
Household characteristics7more vulnerable than 7% of US census tracts
Racial and ethnic minority status29more vulnerable than 29% of US census tracts
Housing type and transport22more vulnerable than 22% of US census tracts
Walkability4.2 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

20615 Broomes Island, MD4.8 km away
20676 Port Republic, MD5.4 km away
20657 Lusby, MD11.5 km away
20636 Hollywood, MD11.8 km away
20678 Prince Frederick, MD11.8 km away
20610 Barstow, MD12.4 km away
20629 Dowell, MD13.6 km away
20688 Solomons, MD14 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Calvert County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area22.9 sq mi
Water area8.33 sq mi
Population density283 people per sq mi
Latitude, longitude38.4501, -76.5110

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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