Postal Codes

21108 ZIP Code

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ZIP code 21108 covers Millersville, Maryland, with a population of about 17,894 and a median household income of $146,556.

Population
17,8941,386 per square mile
Median age
41.52.8 points above the US average
Median household income
$146,5561.4× the Maryland median
Poverty rate
3.5%8.9 points below the US average
Typical home value
$617,890up 13.6% in five years
Median rent
$2,0301.2× the Maryland median
Degree or higher
53.6%18.6 points above the US average
Homeownership
87%22 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
557

Where 21108 is

Millersville, 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

Population17,894
Median age41.5
Family households80.6%
Born outside the US8.2%
Speaks a language other than English at home10.5%
White (non-Hispanic)72.5%
Black (non-Hispanic)9.7%
Asian (non-Hispanic)5.4%
Hispanic or Latino7.5%
Veterans11.6%
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$146,556
Income per person$62,037
Poverty rate3.5%
Households on SNAP or cash assistance6.3%

Household income distribution

Under $10k2.0%
$10–15k0.8%
$15–20k1.0%
$20–25k1.3%
$25–30k2.4%
$30–35k0.6%
$35–40k0.4%
$40–45k0.6%
$45–50k0.8%
$50–60k4.3%
$60–75k9.4%
$75–100k10.9%
$100–125k7.4%
$125–150k10.9%
$150–200k15.4%
$200k or more31.7%

Income as declared to the IRS

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

Tax returns filed9,740
Mean adjusted gross income$129,899
Returns declaring $200,000 or more18.9%
Returns, under $25k19.8%
Returns, $25k–$50k15.2%
Returns, $50k–$75k12.3%
Returns, $75k–$100k9.8%
Returns, $100k–$200k24.0%
Returns, $200k or more18.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$543,200
Median gross rent$2,030
Rent as a share of household income26.9%
Owner-occupied87%
Vacant homes2.9%
Median year built1982

What the homes are

Detached house76.4%
Attached house18.4%
5 to 19 units3.1%
20 or more units0.7%
Mobile home1.5%
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$617,890as of 2026-07
Typical home value, 1 yearup 1.3%
Typical home value, 5 yearsup 13.6%
Typical home value, 10 yearsup 41.4%
Typical asking rent$2,194as of 2026-07
Typical home value since 2000
200020132026$617,890$220,132

$220,132 in 2000 to $617,890 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.3%
Bachelor's degree or higher53.6%
High school diploma or higher97.6%
Works from home18.6%
Drives to work alone72.6%
Takes public transport1.2%
Commutes 45 minutes or more13.2%
Health

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

Obesity32.8% 0.6 pts below the national average of 33.4%
Diagnosed diabetes9.6% 2.4 pts below the national average of 12%
Currently smokes9.8% 3.4 pts below the national average of 13.2%
High blood pressure33.2% 0.9 pts below the national average of 34.1%
Fair or poor general health14.3% 6 pts below the national average of 20.3%
No health insurance (18–64)5.5% 5.8 pts below the national average of 11.3%
Depression20.5% 1.4 pts below the national average of 21.9%
No leisure-time physical activity18.2% 7.2 pts below the national average of 25.4%
Arthritis25.5% same as the national average of 25.1%
Binge drinking16.9% 0.9 pts above the national average of 16%
Taking blood pressure medication75.2% 0.5 pts above the national average of 74.7%
Cancer (non-skin)9.2% 1.5 pts above the national average of 7.7%
Current asthma10% same as the national average of 10.4%
Coronary heart disease5.1% 1.1 pts below the national average of 6.2%
Routine check-up in past year79.9% 3.2 pts above the national average of 76.7%
Cholesterol screening90.9% 5 pts above the national average of 85.9%
Cognitive disability10.7% 4.1 pts below the national average of 14.8%
Colorectal screening71.9% 7.6 pts above the national average of 64.3%
COPD4.9% 1.7 pts below the national average of 6.6%
Visited a dentist72.2% 10.9 pts above the national average of 61.3%
Any disability24% 6.7 pts below the national average of 30.7%
Lacks emotional support20.4% 4.4 pts below the national average of 24.8%
Food insecurity9% 8.1 pts below the national average of 17.1%
Received food stamps6.3% 8 pts below the national average of 14.3%
Hearing disability5.4% 1.3 pts below the national average of 6.7%
High cholesterol36% same as the national average of 36.2%
Housing insecurity8.3% 5.5 pts below the national average of 13.8%
Independent living disability5.6% 2.8 pts below the national average of 8.4%
Lacks transport5% 4.2 pts below the national average of 9.2%
Loneliness32% 2.4 pts below the national average of 34.4%
Mammography use83.9% 8 pts above the national average of 75.9%
Poor mental health (14+ days)14.1% 2.7 pts below the national average of 16.8%
Mobility disability10% 4 pts below the national average of 14%
Poor physical health (14+ days)11.1% 2.4 pts below the national average of 13.5%
Self-care disability2.5% 1.5 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 hours36.4% same as the national average of 36.4%
Stroke2.7% 0.7 pts below the national average of 3.4%
All natural teeth lost6.9% 6.1 pts below the national average of 13%
Vision disability3.1% 2.5 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments557
People employed6,356
Annual payroll$393,112,000
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 10.6% of US census tracts
FEMA ratingVery Low to Relatively Low across the 11 census tracts this ZIP code covers
Expected annual loss19.4 out of 100
Community resilience82.3 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.

Winter weather75.5Relatively High at its worst in this ZIP code
Landslide71.6Relatively Low at its worst in this ZIP code
Hurricane69.3Relatively Low at its worst in this ZIP code
Drought59.9Relatively Moderate at its worst in this ZIP code
Lightning59.1Relatively Moderate at its worst in this ZIP code
Strong wind56.9Relatively Moderate at its worst in this ZIP code
Heat wave53Relatively Moderate at its worst in this ZIP code
Hail50.1Relatively Low at its worst in this ZIP code
Earthquake44.9Relatively Low at its worst in this ZIP code
Wildfire43.7Very Low at its worst in this ZIP code
Tornado42.9Relatively Low at its worst in this ZIP code
Cold wave29.6Relatively Low at its worst in this ZIP code
Coastal flooding25.6Relatively Moderate at its worst in this ZIP code
Ice storm19.7Very Low at its worst in this ZIP code
River flooding15.1Relatively 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$146,556$101,652$78,538
Income per person$62,037$51,689$43,289
Poverty rate3.5%9.3%12.4%
Median home value$543,200$397,700$303,400
Median gross rent$2,030$1,662$1,348
Homeownership87%67.5%65%
Bachelor's degree or higher53.6%42.7%35%
Unemployment rate4.3%4.9%5.2%
Works from home18.6%17.2%13.5%
Born outside the US8.2%16.3%13.9%
Median age41.539.338.7
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 stationBALTIMORE WASH INTL AP, MD US8.9 km away
Rain in a year45 in
Snow in a year19 in

Average high and low by month

January43.2°F / 25.4°F3.08 in rain, 6.4 in snow
February46.4°F / 26.9°F2.9 in rain, 7.5 in snow
March54.8°F / 33.9°F4.01 in rain, 2.8 in snow
April66.5°F / 43.6°F3.39 in rain
May75.5°F / 53.3°F3.85 in rain
June84.4°F / 62.6°F3.98 in rain
July88.8°F / 67.7°F4.48 in rain
August86.5°F / 65.8°F4.09 in rain
September79.7°F / 58.8°F4.44 in rain
October68.3°F / 46.5°F3.94 in rain
November57.3°F / 36.5°F3.13 in rain, 0.1 in snow
December47.5°F / 29.6°F3.71 in rain, 2.5 in snow
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 supermarket73% 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%.

Anne Arundel 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 vulnerability11more vulnerable than 11% of US census tracts
Socioeconomic status10more vulnerable than 10% of US census tracts
Household characteristics25more vulnerable than 25% of US census tracts
Racial and ethnic minority status33more vulnerable than 33% of US census tracts
Housing type and transport20more vulnerable than 20% of US census tracts
Walkability7.3 out of 20Below average
Nearby ZIP codes

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

21146 Severna Park, MD5.9 km away
21061 Glen Burnie, MD6.5 km away
21032 Crownsville, MD6.5 km away
21144 Severn, MD7.3 km away
21113 Odenton, MD7.6 km away
21060 Glen Burnie, MD8.1 km away
21054 Gambrills, MD8.9 km away
21077 Harmans, MD8.9 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.

Anne Arundel County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area12.91 sq mi
Water area0.28 sq mi
Population density1,386 people per sq mi
Latitude, longitude39.1041, -76.6190

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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