Postal Codes

20777 ZIP Code

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ZIP code 20777 covers Highland, Maryland, with a population of about 3,046 and a median household income of $218,808.

Population
3,046404 per square mile
Median age
45.97.2 points above the US average
Median household income
$218,8082.2× the Maryland median
Poverty rate
4.6%7.8 points below the US average
Typical home value
$1,009,363up 21.8% in five years
Degree or higher
76%41 points above the US average
Homeownership
96.8%31.8 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
107

Where 20777 is

Highland, 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

Population3,046
Median age45.9
Family households91.4%
Born outside the US13.2%
Speaks a language other than English at home18.9%
White (non-Hispanic)72.8%
Black (non-Hispanic)3.3%
Asian (non-Hispanic)15.7%
Hispanic or Latino6.4%
Veterans6.6%
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$218,808
Income per person$88,136
Poverty rate4.6%
Households on SNAP or cash assistance0.5%

Household income distribution

Under $10k2.6%
$10–15k0.0%
$15–20k1.9%
$20–25k0.0%
$25–30k0.0%
$30–35k0.0%
$35–40k1.1%
$40–45k1.8%
$45–50k0.0%
$50–60k3.9%
$60–75k0.0%
$75–100k3.3%
$100–125k1.4%
$125–150k3.8%
$150–200k20.5%
$200k or more59.7%

Income as declared to the IRS

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

Tax returns filed1,760
Mean adjusted gross income$237,615
Returns declaring $200,000 or more34.7%
Returns, under $25k18.8%
Returns, $25k–$50k9.7%
Returns, $50k–$75k8.0%
Returns, $75k–$100k7.4%
Returns, $100k–$200k21.6%
Returns, $200k or more34.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$808,700
Rent as a share of household income19.6%
Owner-occupied96.8%
Vacant homes2.1%
Median year built1983

What the homes are

Detached house100%
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$1,009,363as of 2026-07
Typical home value, 1 yearup 1.5%
Typical home value, 5 yearsup 21.8%
Typical home value, 10 yearsup 50%
Typical home value since 2000
200020132026$1,009,363$330,302

$330,302 in 2000 to $1,009,363 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.6%
Bachelor's degree or higher76%
High school diploma or higher98.7%
Works from home28.1%
Drives to work alone63.5%
Takes public transport1.4%
Commutes 45 minutes or more22.9%
Health

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

Obesity26.8% 6.6 pts below the national average of 33.4%
Diagnosed diabetes9.7% 2.3 pts below the national average of 12%
Currently smokes5.6% 7.6 pts below the national average of 13.2%
High blood pressure34.8% 0.7 pts above the national average of 34.1%
Fair or poor general health10.1% 10.2 pts below the national average of 20.3%
No health insurance (18–64)3.6% 7.7 pts below the national average of 11.3%
Depression17.4% 4.5 pts below the national average of 21.9%
No leisure-time physical activity13.2% 12.2 pts below the national average of 25.4%
Arthritis26.9% 1.8 pts above the national average of 25.1%
Binge drinking13.5% 2.5 pts below the national average of 16%
Taking blood pressure medication78.6% 3.9 pts above the national average of 74.7%
Cancer (non-skin)10.2% 2.5 pts above the national average of 7.7%
Current asthma8.6% 1.8 pts below the national average of 10.4%
Coronary heart disease5.2% 1 pts below the national average of 6.2%
Routine check-up in past year82.4% 5.7 pts above the national average of 76.7%
Cholesterol screening93.3% 7.4 pts above the national average of 85.9%
Cognitive disability7.4% 7.4 pts below the national average of 14.8%
Colorectal screening72.7% 8.4 pts above the national average of 64.3%
COPD3.8% 2.8 pts below the national average of 6.6%
Visited a dentist78.8% 17.5 pts above the national average of 61.3%
Any disability18.8% 11.9 pts below the national average of 30.7%
Lacks emotional support17.8% 7 pts below the national average of 24.8%
Food insecurity5.3% 11.8 pts below the national average of 17.1%
Received food stamps3.1% 11.2 pts below the national average of 14.3%
Hearing disability5.4% 1.3 pts below the national average of 6.7%
High cholesterol43% 6.8 pts above the national average of 36.2%
Housing insecurity5% 8.8 pts below the national average of 13.8%
Independent living disability3.9% 4.5 pts below the national average of 8.4%
Lacks transport3.4% 5.8 pts below the national average of 9.2%
Loneliness27.5% 6.9 pts below the national average of 34.4%
Mammography use83.1% 7.2 pts above the national average of 75.9%
Poor mental health (14+ days)10.5% 6.3 pts below the national average of 16.8%
Mobility disability8.1% 5.9 pts below the national average of 14%
Poor physical health (14+ days)8.9% 4.6 pts below the national average of 13.5%
Self-care disability2% 2 pts below the national average of 4%
Utility shut-off threat3.1% 5.7 pts below the national average of 8.8%
Sleeps under 7 hours32.1% 4.3 pts below the national average of 36.4%
Stroke2.5% 0.9 pts below the national average of 3.4%
All natural teeth lost3.5% 9.5 pts below the national average of 13%
Vision disability2.5% 3.1 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments107
People employed552
Annual payroll$28,090,000
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 15.3% of US census tracts
FEMA ratingVery Low to Relatively Low across the 3 census tracts this ZIP code covers
Expected annual loss36.2 out of 100
Community resilience88 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.

Drought87.2Relatively Low at its worst in this ZIP code
Winter weather76.8Relatively High at its worst in this ZIP code
Landslide74.9Relatively Low at its worst in this ZIP code
Strong wind68Relatively Moderate at its worst in this ZIP code
Hurricane67.3Relatively Low at its worst in this ZIP code
Hail61.8Relatively Moderate at its worst in this ZIP code
Lightning55.8Relatively Moderate at its worst in this ZIP code
Heat wave55.2Relatively Moderate at its worst in this ZIP code
Earthquake48.1Relatively Low at its worst in this ZIP code
Wildfire43.2Very Low at its worst in this ZIP code
River flooding31.2Relatively Low at its worst in this ZIP code
Tornado30.4Relatively Low at its worst in this ZIP code
Cold wave29.2Relatively Low at its worst in this ZIP code
Ice storm24.6Very 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$218,808$101,652$78,538
Income per person$88,136$51,689$43,289
Poverty rate4.6%9.3%12.4%
Median home value$808,700$397,700$303,400
Median gross rent$1,662$1,348
Homeownership96.8%67.5%65%
Bachelor's degree or higher76%42.7%35%
Unemployment rate3.6%4.9%5.2%
Works from home28.1%17.2%13.5%
Born outside the US13.2%16.3%13.9%
Median age45.939.338.7
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 stationLAUREL 3 W, MD US12.5 km away
Rain in a year48 in

Average high and low by month

January42.7°F / 26.1°F3.46 in rain
February46.1°F / 28°F2.73 in rain
March54.8°F / 34.8°F4.2 in rain
April67°F / 44.9°F3.8 in rain
May75.5°F / 55.3°F4.41 in rain
June84.2°F / 64.5°F4.38 in rain
July88.6°F / 69.4°F4.17 in rain
August87.1°F / 67.9°F3.8 in rain
September80°F / 61.2°F4.7 in rain
October68.5°F / 49.7°F4.41 in rain
November57.1°F / 38.6°F3.52 in rain
December47°F / 31.4°F3.93 in rain
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 supermarket100% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
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%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Howard County Public Schools98.3% of this ZIP code's land area
Montgomery County Public Schools1.7% 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 vulnerability5more vulnerable than 5% of US census tracts
Socioeconomic status1more vulnerable than 1% of US census tracts
Household characteristics27more vulnerable than 27% of US census tracts
Racial and ethnic minority status61more vulnerable than 61% of US census tracts
Housing type and transport11more vulnerable than 11% of US census tracts
Walkability6.9 out of 20Below average
Nearby ZIP codes

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

21029 Clarksville, MD3.5 km away
20862 Brinklow, MD4.1 km away
20861 Ashton, MD4.2 km away
20759 Fulton, MD5 km away
21036 Dayton, MD6 km away
21041 Ellicott City, MD6.2 km away
21150 Simpsonville, MD6.2 km away
20860 Sandy Spring, MD6.4 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.

Howard County98.3% of this ZIP code's land area
Montgomery County1.7% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area7.54 sq mi
Water area0.04 sq mi
Population density404 people per sq mi
Latitude, longitude39.1843, -76.9686

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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