Postal Codes

21629 ZIP Code

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ZIP code 21629 covers Denton, Maryland, with a population of about 10,285 and a median household income of $70,117.

Population
10,285123 per square mile
Median age
40.21.5 points above the US average
Median household income
$70,11731% below the Maryland median
Poverty rate
10.5%1.9 points below the US average
Typical home value
$364,712up 20.4% in five years
Median rent
$1,08635% below the Maryland median
Degree or higher
20.2%14.8 points below the US average
Homeownership
71.5%6.5 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
252

Where 21629 is

Denton, 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

Population10,285
Median age40.2
Family households66.8%
Born outside the US3.3%
Speaks a language other than English at home2.2%
White (non-Hispanic)80.1%
Black (non-Hispanic)14.1%
Asian (non-Hispanic)0.4%
Hispanic or Latino1.9%
Veterans6.4%
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$70,117
Income per person$34,454
Poverty rate10.5%
Households on SNAP or cash assistance20.1%

Household income distribution

Under $10k2.0%
$10–15k5.5%
$15–20k2.9%
$20–25k3.8%
$25–30k2.7%
$30–35k5.8%
$35–40k3.5%
$40–45k4.4%
$45–50k4.5%
$50–60k7.9%
$60–75k10.3%
$75–100k13.4%
$100–125k10.1%
$125–150k4.0%
$150–200k9.6%
$200k or more9.7%

Income as declared to the IRS

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

Tax returns filed4,710
Mean adjusted gross income$70,244
Returns declaring $200,000 or more4%
Returns, under $25k26.3%
Returns, $25k–$50k24.0%
Returns, $50k–$75k15.9%
Returns, $75k–$100k11.5%
Returns, $100k–$200k18.3%
Returns, $200k or more4.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$293,700
Median gross rent$1,086
Rent as a share of household income33.3%
Owner-occupied71.5%
Vacant homes10.4%
Median year built1983

What the homes are

Detached house72.6%
Attached house5.6%
2 to 4 units3.9%
5 to 19 units10.9%
Mobile home7%
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$364,712as of 2026-07
Typical home value, 1 yearup 0.1%
Typical home value, 5 yearsup 20.4%
Typical home value, 10 yearsup 79.5%
Typical home value since 2000
200020132026$364,712$100,361

$100,361 in 2000 to $364,712 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate7.3%
Bachelor's degree or higher20.2%
High school diploma or higher85.6%
Works from home6.2%
Drives to work alone83.3%
Takes public transport0.1%
Commutes 45 minutes or more21.8%
Health

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

Obesity41.2% 7.8 pts above the national average of 33.4%
Diagnosed diabetes14.3% 2.3 pts above the national average of 12%
Currently smokes17.1% 3.9 pts above the national average of 13.2%
High blood pressure42% 7.9 pts above the national average of 34.1%
Fair or poor general health22.1% 1.8 pts above the national average of 20.3%
No health insurance (18–64)9.8% 1.5 pts below the national average of 11.3%
Depression24.1% 2.2 pts above the national average of 21.9%
No leisure-time physical activity28.2% 2.8 pts above the national average of 25.4%
Arthritis33.7% 8.6 pts above the national average of 25.1%
Binge drinking14.2% 1.8 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)9.5% 1.8 pts above the national average of 7.7%
Current asthma11.8% 1.4 pts above the national average of 10.4%
Coronary heart disease8.1% 1.9 pts above the national average of 6.2%
Routine check-up in past year79.3% 2.6 pts above the national average of 76.7%
Cholesterol screening87.7% 1.8 pts above the national average of 85.9%
Cognitive disability16.1% 1.3 pts above the national average of 14.8%
Colorectal screening66.5% 2.2 pts above the national average of 64.3%
COPD9.7% 3.1 pts above the national average of 6.6%
Visited a dentist57.1% 4.2 pts below the national average of 61.3%
Any disability33.5% 2.8 pts above the national average of 30.7%
Lacks emotional support24.1% 0.7 pts below the national average of 24.8%
Food insecurity18.5% 1.4 pts above the national average of 17.1%
Received food stamps17.1% 2.8 pts above the national average of 14.3%
Hearing disability8.1% 1.4 pts above the national average of 6.7%
High cholesterol41.2% 5 pts above the national average of 36.2%
Housing insecurity14.5% 0.7 pts above the national average of 13.8%
Independent living disability9.7% 1.3 pts above the national average of 8.4%
Lacks transport9.2% same as the national average of 9.2%
Loneliness34.1% same as the national average of 34.4%
Mammography use75% 0.9 pts below the national average of 75.9%
Poor mental health (14+ days)17.9% 1.1 pts above the national average of 16.8%
Mobility disability16.7% 2.7 pts above the national average of 14%
Poor physical health (14+ days)15.4% 1.9 pts above the national average of 13.5%
Self-care disability4.8% 0.8 pts above the national average of 4%
Utility shut-off threat9.9% 1.1 pts above the national average of 8.8%
Sleeps under 7 hours40% 3.6 pts above the national average of 36.4%
Stroke4.4% 1 pts above the national average of 3.4%
All natural teeth lost16.6% 3.6 pts above the national average of 13%
Vision disability6.1% 0.5 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments252
People employed2,603
Annual payroll$113,564,000
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 53.4% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 5 census tracts this ZIP code covers
Expected annual loss50.7 out of 100
Community resilience42.4 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.

Drought97.1Relatively High at its worst in this ZIP code
Hurricane91.7Relatively High at its worst in this ZIP code
Coastal flooding86.2Relatively Moderate at its worst in this ZIP code
Strong wind85.8Relatively High at its worst in this ZIP code
Wildfire84Relatively Moderate at its worst in this ZIP code
Winter weather78.8Relatively High at its worst in this ZIP code
Hail65Relatively Low at its worst in this ZIP code
Landslide60.5Very Low at its worst in this ZIP code
Cold wave60.2Relatively Moderate at its worst in this ZIP code
Lightning59.4Relatively Moderate at its worst in this ZIP code
Heat wave54.3Relatively Moderate at its worst in this ZIP code
Ice storm49.1Relatively Low at its worst in this ZIP code
Earthquake48.5Relatively Low at its worst in this ZIP code
Tornado37.6Relatively Low at its worst in this ZIP code
River flooding20.7Relatively 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$70,117$101,652$78,538
Income per person$34,454$51,689$43,289
Poverty rate10.5%9.3%12.4%
Median home value$293,700$397,700$303,400
Median gross rent$1,086$1,662$1,348
Homeownership71.5%67.5%65%
Bachelor's degree or higher20.2%42.7%35%
Unemployment rate7.3%4.9%5.2%
Works from home6.2%17.2%13.5%
Born outside the US3.3%16.3%13.9%
Median age40.239.338.7
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 stationGREENWOOD 2NE, DE US23 km away
Rain in a year46 in
Snow in a year13 in

Average high and low by month

January43.6°F / 25.4°F3.61 in rain, 3.3 in snow
February45.7°F / 26.3°F2.91 in rain, 5.9 in snow
March53.9°F / 32.9°F4.01 in rain, 1.6 in snow
April64.7°F / 42.4°F3.44 in rain, 0.2 in snow
May73.3°F / 51.9°F3.67 in rain
June82.1°F / 61.6°F4.19 in rain
July86.7°F / 66.7°F4.01 in rain
August85°F / 64.7°F4.5 in rain
September78.9°F / 57.9°F4.77 in rain
October68.2°F / 46.2°F4.23 in rain
November57.3°F / 37.2°F3.19 in rain
December48.2°F / 29.3°F3.78 in rain, 1.8 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 supermarket3% of this ZIP code's area
Far from a supermarket3% of this ZIP code's area
No vehicle and far from a supermarket3% 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%.

Caroline 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 vulnerability49more vulnerable than 49% of US census tracts
Socioeconomic status46more vulnerable than 46% of US census tracts
Household characteristics49more vulnerable than 49% of US census tracts
Racial and ethnic minority status23more vulnerable than 23% of US census tracts
Housing type and transport62more vulnerable than 62% of US census tracts
Walkability5.6 out of 20Least walkable
Nearby ZIP codes

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

21641 Hillsboro, MD11.2 km away
21660 Ridgely, MD11.6 km away
21639 Greensboro, MD11.6 km away
21655 Preston, MD14.4 km away
21625 Cordova, MD14.5 km away
21657 Queen Anne, MD15.6 km away
21632 Federalsburg, MD16.9 km away
21609 Bethlehem, MD17 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.

Caroline County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area83.62 sq mi
Water area2.38 sq mi
Population density123 people per sq mi
Latitude, longitude38.8595, -75.8357

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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