Postal Codes

21161 ZIP Code

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ZIP code 21161 covers White Hall, Maryland, with a population of about 5,288 and a median household income of $99,709.

Population
5,288109 per square mile
Median age
46.27.5 points above the US average
Median household income
$99,709about the Maryland median
Poverty rate
6.1%6.3 points below the US average
Typical home value
$571,547up 20.2% in five years
Median rent
$1,8671.1× the Maryland median
Degree or higher
35.2%about the US average
Homeownership
92.4%27.4 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
122

Where 21161 is

White Hall, 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

Population5,288
Median age46.2
Family households77.6%
Born outside the US0.8%
Speaks a language other than English at home0.8%
White (non-Hispanic)96.1%
Black (non-Hispanic)0.8%
Asian (non-Hispanic)0.3%
Hispanic or Latino0.8%
Veterans4.7%
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$99,709
Income per person$53,019
Poverty rate6.1%
Households on SNAP or cash assistance4.9%

Household income distribution

Under $10k3.0%
$10–15k2.2%
$15–20k2.1%
$20–25k0.4%
$25–30k1.4%
$30–35k1.5%
$35–40k1.8%
$40–45k0.7%
$45–50k1.5%
$50–60k5.7%
$60–75k13.1%
$75–100k16.9%
$100–125k9.6%
$125–150k9.6%
$150–200k10.8%
$200k or more19.7%

Income as declared to the IRS

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

Tax returns filed2,750
Mean adjusted gross income$117,823
Returns declaring $200,000 or more13.8%
Returns, under $25k19.6%
Returns, $25k–$50k16.0%
Returns, $50k–$75k13.5%
Returns, $75k–$100k11.3%
Returns, $100k–$200k25.8%
Returns, $200k or more13.8%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$442,000
Median gross rent$1,867
Owner-occupied92.4%
Vacant homes3.4%
Median year built1977

What the homes are

Detached house95.6%
Attached house1%
5 to 19 units1.5%
Mobile home1.9%
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$571,547as of 2026-07
Typical home value, 1 yearup 2.9%
Typical home value, 5 yearsup 20.2%
Typical home value, 10 yearsup 57.7%
Typical home value since 2000
200020132026$571,547$198,964

$198,964 in 2000 to $571,547 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.4%
Bachelor's degree or higher35.2%
High school diploma or higher94.6%
Works from home12.9%
Drives to work alone81.3%
Takes public transport0%
Commutes 45 minutes or more39.3%
Health

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

Obesity33% same as the national average of 33.4%
Diagnosed diabetes11.2% 0.8 pts below the national average of 12%
Currently smokes10.6% 2.6 pts below the national average of 13.2%
High blood pressure35.3% 1.2 pts above the national average of 34.1%
Fair or poor general health15% 5.3 pts below the national average of 20.3%
No health insurance (18–64)5.6% 5.7 pts below the national average of 11.3%
Depression22.6% 0.7 pts above the national average of 21.9%
No leisure-time physical activity20.2% 5.2 pts below the national average of 25.4%
Arthritis29.7% 4.6 pts above the national average of 25.1%
Binge drinking14.9% 1.1 pts below the national average of 16%
Taking blood pressure medication77.5% 2.8 pts above the national average of 74.7%
Cancer (non-skin)10.2% 2.5 pts above the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease6.2% same as the national average of 6.2%
Routine check-up in past year80% 3.3 pts above the national average of 76.7%
Cholesterol screening91% 5.1 pts above the national average of 85.9%
Cognitive disability10.9% 3.9 pts below the national average of 14.8%
Colorectal screening72.3% 8 pts above the national average of 64.3%
COPD6.5% same as the national average of 6.6%
Visited a dentist70.1% 8.8 pts above the national average of 61.3%
Any disability23.6% 7.1 pts below the national average of 30.7%
Lacks emotional support19.9% 4.9 pts below the national average of 24.8%
Food insecurity8.5% 8.6 pts below the national average of 17.1%
Received food stamps6.3% 8 pts below the national average of 14.3%
Hearing disability6.4% same as the national average of 6.7%
High cholesterol41.4% 5.2 pts above the national average of 36.2%
Housing insecurity7.8% 6 pts below the national average of 13.8%
Independent living disability6% 2.4 pts below the national average of 8.4%
Lacks transport5% 4.2 pts below the national average of 9.2%
Loneliness30.4% 4 pts below the national average of 34.4%
Mammography use80.1% 4.2 pts above the national average of 75.9%
Poor mental health (14+ days)14.9% 1.9 pts below the national average of 16.8%
Mobility disability10.9% 3.1 pts below the national average of 14%
Poor physical health (14+ days)11.9% 1.6 pts below the national average of 13.5%
Self-care disability2.9% 1.1 pts below the national average of 4%
Utility shut-off threat4.9% 3.9 pts below the national average of 8.8%
Sleeps under 7 hours33.2% 3.2 pts below the national average of 36.4%
Stroke3.1% same as the national average of 3.4%
All natural teeth lost7.1% 5.9 pts below the national average of 13%
Vision disability3.3% 2.3 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments122
People employed616
Annual payroll$34,545,000
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 48.4% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 6 census tracts this ZIP code covers
Expected annual loss48.8 out of 100
Community resilience84 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.

Drought96.5Relatively Moderate at its worst in this ZIP code
Winter weather91Relatively High at its worst in this ZIP code
Landslide89.9Relatively Low at its worst in this ZIP code
Heat wave80.3Relatively High at its worst in this ZIP code
Hurricane78.5Relatively Moderate at its worst in this ZIP code
Strong wind69.1Relatively Moderate at its worst in this ZIP code
Lightning68.1Relatively Moderate at its worst in this ZIP code
River flooding60.9Relatively High at its worst in this ZIP code
Cold wave52.8Relatively Moderate at its worst in this ZIP code
Hail52.4Relatively Low at its worst in this ZIP code
Earthquake52.3Relatively Low at its worst in this ZIP code
Wildfire51.6Very Low at its worst in this ZIP code
Ice storm36Relatively Low at its worst in this ZIP code
Tornado33.4Relatively 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$99,709$101,652$78,538
Income per person$53,019$51,689$43,289
Poverty rate6.1%9.3%12.4%
Median home value$442,000$397,700$303,400
Median gross rent$1,867$1,662$1,348
Homeownership92.4%67.5%65%
Bachelor's degree or higher35.2%42.7%35%
Unemployment rate2.4%4.9%5.2%
Works from home12.9%17.2%13.5%
Born outside the US0.8%16.3%13.9%
Median age46.239.338.7
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 stationMILLERS 4 NE, MD US21.2 km away
Rain in a year48 in
Snow in a year34 in

Average high and low by month

January39.5°F / 23.7°F3.58 in rain, 9.7 in snow
February42.9°F / 25.3°F2.94 in rain, 10.8 in snow
March51.8°F / 31.9°F4.14 in rain, 6.3 in snow
April64.5°F / 41.8°F3.84 in rain, 0.5 in snow
May73.2°F / 51.3°F3.96 in rain
June80.8°F / 60°F3.8 in rain
July84.9°F / 64.4°F4.73 in rain
August83.1°F / 62.6°F4.19 in rain
September76.7°F / 56.3°F5.11 in rain
October65.4°F / 45.4°F4.19 in rain, 0.2 in snow
November53.9°F / 35.9°F3.36 in rain, 1 in snow
December43.7°F / 28.4°F4.04 in rain, 5.6 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 supermarketNone of this ZIP code
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.

Harford County Public Schools53.2% of this ZIP code's land area
Baltimore County Public Schools46.8% 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 status10more vulnerable than 10% of US census tracts
Household characteristics17more vulnerable than 17% of US census tracts
Racial and ethnic minority status13more vulnerable than 13% of US census tracts
Housing type and transport12more vulnerable than 12% of US census tracts
Walkability5 out of 20Least walkable
Nearby ZIP codes

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

21120 Parkton, MD9.4 km away
21105 Maryland Line, MD9.7 km away
21084 Jarrettsville, MD9.8 km away
21111 Monkton, MD11 km away
17352 New Park, PA12.2 km away
17363 Stewartstown, PA12.5 km away
17349 New Freedom, PA13.5 km away
21053 Freeland, MD13.8 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.

Harford County53.2% of this ZIP code's land area
Baltimore County46.8% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area48.52 sq mi
Water area0.19 sq mi
Population density109 people per sq mi
Latitude, longitude39.6618, -76.5666

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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