Postal Codes

21163 ZIP Code

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ZIP code 21163 covers Woodstock, Maryland, with a population of about 7,031 and a median household income of $131,154.

Population
7,031516 per square mile
Median age
46.78 points above the US average
Median household income
$131,1541.3× the Maryland median
Poverty rate
7.3%5.1 points below the US average
Typical home value
$661,296up 15.9% in five years
Median rent
$1,37018% below the Maryland median
Degree or higher
61.3%26.3 points above the US average
Homeownership
84.1%19.1 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
137

Where 21163 is

Woodstock, 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

Population7,031
Median age46.7
Family households70.3%
Born outside the US20%
Speaks a language other than English at home23.9%
White (non-Hispanic)46.7%
Black (non-Hispanic)20.5%
Asian (non-Hispanic)26.1%
Hispanic or Latino2.1%
Veterans7.7%
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$131,154
Income per person$67,501
Poverty rate7.3%
Households on SNAP or cash assistance2.8%

Household income distribution

Under $10k0.9%
$10–15k0.4%
$15–20k0.6%
$20–25k3.8%
$25–30k1.3%
$30–35k0.9%
$35–40k1.5%
$40–45k5.3%
$45–50k1.2%
$50–60k2.7%
$60–75k6.3%
$75–100k9.1%
$100–125k11.2%
$125–150k12.1%
$150–200k17.1%
$200k or more25.7%

Income as declared to the IRS

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

Tax returns filed3,620
Mean adjusted gross income$137,987
Returns declaring $200,000 or more20.2%
Returns, under $25k20.2%
Returns, $25k–$50k11.3%
Returns, $50k–$75k9.9%
Returns, $75k–$100k9.9%
Returns, $100k–$200k28.5%
Returns, $200k or more20.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$598,700
Median gross rent$1,370
Rent as a share of household income39.4%
Owner-occupied84.1%
Vacant homes5.8%
Median year built2000

What the homes are

Detached house51.4%
Attached house33.3%
2 to 4 units0.4%
5 to 19 units6.8%
20 or more units6.6%
Mobile home1.3%
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$661,296as of 2026-07
Typical home value, 1 yeardown 0.3%
Typical home value, 5 yearsup 15.9%
Typical home value, 10 yearsup 38.6%
Typical home value since 2000
200020132026$663,258$243,127

$243,127 in 2000 to $661,296 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4%
Bachelor's degree or higher61.3%
High school diploma or higher98.1%
Works from home21.2%
Drives to work alone70.2%
Takes public transport0.5%
Commutes 45 minutes or more25.3%
Health

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

Obesity28.7% 4.7 pts below the national average of 33.4%
Diagnosed diabetes12.3% same as the national average of 12%
Currently smokes7.8% 5.4 pts below the national average of 13.2%
High blood pressure36.9% 2.8 pts above the national average of 34.1%
Fair or poor general health13.8% 6.5 pts below the national average of 20.3%
No health insurance (18–64)5.1% 6.2 pts below the national average of 11.3%
Depression17.1% 4.8 pts below the national average of 21.9%
No leisure-time physical activity19.6% 5.8 pts below the national average of 25.4%
Arthritis26.9% 1.8 pts above the national average of 25.1%
Binge drinking11.5% 4.5 pts below the national average of 16%
Taking blood pressure medication79.1% 4.4 pts above the national average of 74.7%
Cancer (non-skin)8.6% 0.9 pts above the national average of 7.7%
Current asthma9.3% 1.1 pts below 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 year82.4% 5.7 pts above the national average of 76.7%
Cholesterol screening91.8% 5.9 pts above the national average of 85.9%
Cognitive disability9.1% 5.7 pts below the national average of 14.8%
Colorectal screening68.4% 4.1 pts above the national average of 64.3%
COPD4.9% 1.7 pts below the national average of 6.6%
Visited a dentist69.7% 8.4 pts above the national average of 61.3%
Any disability22.1% 8.6 pts below the national average of 30.7%
Lacks emotional support23% 1.8 pts below the national average of 24.8%
Food insecurity10.3% 6.8 pts below the national average of 17.1%
Received food stamps6.9% 7.4 pts below the national average of 14.3%
Hearing disability5.5% 1.2 pts below the national average of 6.7%
High cholesterol41.6% 5.4 pts above the national average of 36.2%
Housing insecurity8.7% 5.1 pts below the national average of 13.8%
Independent living disability5.3% 3.1 pts below the national average of 8.4%
Lacks transport5.6% 3.6 pts below the national average of 9.2%
Loneliness31.3% 3.1 pts below the national average of 34.4%
Mammography use82.6% 6.7 pts above the national average of 75.9%
Poor mental health (14+ days)12.3% 4.5 pts below the national average of 16.8%
Mobility disability10.4% 3.6 pts below the national average of 14%
Poor physical health (14+ days)10% 3.5 pts below the national average of 13.5%
Self-care disability2.7% 1.3 pts below the national average of 4%
Utility shut-off threat5.3% 3.5 pts below the national average of 8.8%
Sleeps under 7 hours35.8% 0.6 pts below the national average of 36.4%
Stroke3% same as the national average of 3.4%
All natural teeth lost6.6% 6.4 pts below the national average of 13%
Vision disability3.5% 2.1 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments137
People employed836
Annual payroll$42,512,000
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 9.3% of US census tracts
FEMA ratingVery Low to Relatively Low across the 5 census tracts this ZIP code covers
Expected annual loss16.4 out of 100
Community resilience83.2 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.

Drought83.6Relatively Low at its worst in this ZIP code
Landslide77.7Relatively Low at its worst in this ZIP code
Winter weather75.6Relatively High at its worst in this ZIP code
Heat wave73.7Relatively High at its worst in this ZIP code
Hurricane66.7Relatively Low at its worst in this ZIP code
Lightning47.7Relatively Moderate at its worst in this ZIP code
Strong wind46.6Relatively Moderate at its worst in this ZIP code
Hail46.2Relatively Low at its worst in this ZIP code
Wildfire37.8Very Low at its worst in this ZIP code
Earthquake36.9Relatively Low at its worst in this ZIP code
Cold wave31.5Relatively Low at its worst in this ZIP code
Tornado27Relatively Low at its worst in this ZIP code
Ice storm16.4Relatively Low at its worst in this ZIP code
River flooding12.7Relatively Low at its worst in this ZIP code
Avalanche3Very 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$131,154$101,652$78,538
Income per person$67,501$51,689$43,289
Poverty rate7.3%9.3%12.4%
Median home value$598,700$397,700$303,400
Median gross rent$1,370$1,662$1,348
Homeownership84.1%67.5%65%
Bachelor's degree or higher61.3%42.7%35%
Unemployment rate4%4.9%5.2%
Works from home21.2%17.2%13.5%
Born outside the US20%16.3%13.9%
Median age46.739.338.7
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 stationCYLBURN, MD US16.5 km away

Average high and low by month

January42.4°F / 26.6°F
February46.3°F / 28.3°F
March53.8°F / 34.2°F
April65.5°F / 44.9°F
May73.2°F / 54.5°F
June82°F / 63.9°F
July86.5°F / 69.3°F
August83.9°F / 67°F
September76.8°F / 59.8°F
October66.3°F / 48.5°F
November56.4°F / 38.7°F
December46.4°F / 31.5°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 supermarket41% 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.

Baltimore County Public Schools73.3% of this ZIP code's land area
Howard County Public Schools26.7% 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 vulnerability27more vulnerable than 27% of US census tracts
Socioeconomic status30more vulnerable than 30% of US census tracts
Household characteristics26more vulnerable than 26% of US census tracts
Racial and ethnic minority status71more vulnerable than 71% of US census tracts
Housing type and transport26more vulnerable than 26% of US census tracts
Walkability6.3 out of 20Below average
Nearby ZIP codes

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

21133 Randallstown, MD4.8 km away
21244 Windsor Mill, MD5.5 km away
21104 Marriottsville, MD6.1 km away
21042 Ellicott City, MD8.7 km away
21207 Gwynn Oak, MD9.8 km away
21117 Owings Mills, MD10.4 km away
21208 Pikesville, MD10.5 km away
21282 Pikesville, MD10.9 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.

Baltimore County73.3% of this ZIP code's land area
Howard County26.7% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area13.64 sq mi
Water area0.19 sq mi
Population density516 people per sq mi
Latitude, longitude39.3498, -76.8456

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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