Postal Codes

21645 ZIP Code

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ZIP code 21645 covers Kennedyville, Maryland, with a population of about 872.

Population
87221 per square mile
Median age
59.520.8 points above the US average
Poverty rate
18.5%6.1 points above the US average
Typical home value
$563,231up 22% in five years
Median rent
$1,18029% below the Maryland median
Degree or higher
35.4%about the US average
Homeownership
74.8%9.8 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
32

Where 21645 is

Kennedyville, 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

Population872
Median age59.5
Family households60.8%
Born outside the US7.3%
Speaks a language other than English at home7.3%
White (non-Hispanic)95.6%
Black (non-Hispanic)4.4%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans15.1%
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

Income per person$60,179
Poverty rate18.5%
Households on SNAP or cash assistance13.9%

Household income distribution

Under $10k2.9%
$10–15k11.1%
$15–20k3.1%
$20–25k0.0%
$25–30k0.0%
$30–35k11.1%
$35–40k14.2%
$40–45k5.5%
$45–50k0.0%
$50–60k5.3%
$60–75k2.0%
$75–100k4.2%
$100–125k0.0%
$125–150k5.1%
$150–200k13.3%
$200k or more22.3%

Income as declared to the IRS

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

Tax returns filed580
Mean adjusted gross income$100,172
Returns declaring $200,000 or more12.1%
Returns, under $25k34.5%
Returns, $25k–$50k20.7%
Returns, $50k–$75k8.6%
Returns, $75k–$100k8.6%
Returns, $100k–$200k15.5%
Returns, $200k or more12.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median gross rent$1,180
Rent as a share of household income51%
Owner-occupied74.8%
Vacant homes29.9%
Median year built1946

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$563,231as of 2026-07
Typical home value, 1 yearup 3.4%
Typical home value, 5 yearsup 22%
Typical home value, 10 yearsup 66%
Typical home value since 2000
200020132026$563,231$189,761

$189,761 in 2000 to $563,231 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.9%
Bachelor's degree or higher35.4%
High school diploma or higher99%
Works from home12.2%
Drives to work alone47.5%
Takes public transport5.2%
Commutes 45 minutes or more14.4%
Health

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

Obesity36% 2.6 pts above the national average of 33.4%
Diagnosed diabetes13.6% 1.6 pts above the national average of 12%
Currently smokes13% same as the national average of 13.2%
High blood pressure42.4% 8.3 pts above the national average of 34.1%
Fair or poor general health19.2% 1.1 pts below the national average of 20.3%
No health insurance (18–64)9.8% 1.5 pts below the national average of 11.3%
Depression21.9% same as the national average of 21.9%
No leisure-time physical activity24.6% 0.8 pts below the national average of 25.4%
Arthritis32.6% 7.5 pts above the national average of 25.1%
Binge drinking16.3% same as the national average of 16%
Taking blood pressure medication79.2% 4.5 pts above the national average of 74.7%
Cancer (non-skin)10.8% 3.1 pts above the national average of 7.7%
Current asthma10% same as 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 year79.4% 2.7 pts above the national average of 76.7%
Cholesterol screening89.4% 3.5 pts above the national average of 85.9%
Cognitive disability12.7% 2.1 pts below the national average of 14.8%
Colorectal screening73.5% 9.2 pts above the national average of 64.3%
COPD8.1% 1.5 pts above the national average of 6.6%
Visited a dentist65.3% 4 pts above the national average of 61.3%
Any disability28.8% 1.9 pts below the national average of 30.7%
Lacks emotional support22.1% 2.7 pts below the national average of 24.8%
Food insecurity12.1% 5 pts below the national average of 17.1%
Received food stamps9.6% 4.7 pts below the national average of 14.3%
Hearing disability8.4% 1.7 pts above the national average of 6.7%
High cholesterol42.3% 6.1 pts above the national average of 36.2%
Housing insecurity10.3% 3.5 pts below the national average of 13.8%
Independent living disability7.4% 1 pts below the national average of 8.4%
Lacks transport6.6% 2.6 pts below the national average of 9.2%
Loneliness30.1% 4.3 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)15% 1.8 pts below the national average of 16.8%
Mobility disability14.3% same as the national average of 14%
Poor physical health (14+ days)13.6% same as the national average of 13.5%
Self-care disability3.7% same as the national average of 4%
Utility shut-off threat6.5% 2.3 pts below the national average of 8.8%
Sleeps under 7 hours33.5% 2.9 pts below the national average of 36.4%
Stroke4% 0.6 pts above the national average of 3.4%
All natural teeth lost9% 4 pts below the national average of 13%
Vision disability4.8% 0.8 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments32
People employed275
Annual payroll$11,917,000
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 78.6% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss78.5 out of 100
Community resilience82 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.

Drought99.3Relatively High at its worst in this ZIP code
Lightning98Very High at its worst in this ZIP code
Strong wind91.4Relatively High at its worst in this ZIP code
Coastal flooding91.2Relatively Moderate at its worst in this ZIP code
Hurricane91Relatively High at its worst in this ZIP code
Winter weather86.1Relatively High at its worst in this ZIP code
Hail80.4Relatively Moderate at its worst in this ZIP code
Heat wave79.1Relatively Moderate at its worst in this ZIP code
Landslide78.8Very Low at its worst in this ZIP code
Wildfire70.3Relatively Low at its worst in this ZIP code
Earthquake66.3Relatively Low at its worst in this ZIP code
Ice storm66.2Relatively Low at its worst in this ZIP code
Cold wave58Relatively Moderate at its worst in this ZIP code
Tornado52.6Relatively Low at its worst in this ZIP code
River flooding36.6Relatively 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$101,652$78,538
Income per person$60,179$51,689$43,289
Poverty rate18.5%9.3%12.4%
Median home value$397,700$303,400
Median gross rent$1,180$1,662$1,348
Homeownership74.8%67.5%65%
Bachelor's degree or higher35.4%42.7%35%
Unemployment rate6.9%4.9%5.2%
Works from home12.2%17.2%13.5%
Born outside the US7.3%16.3%13.9%
Median age59.539.338.7
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 stationCHESTERTOWN, MD US10.9 km away
Rain in a year46 in
Snow in a year17 in

Average high and low by month

January40.8°F / 27.1°F3.34 in rain, 5.2 in snow
February44.2°F / 28.1°F2.89 in rain, 7.9 in snow
March52.5°F / 35.1°F4.25 in rain, 1.7 in snow
April64.4°F / 45°F3.72 in rain, 0.2 in snow
May73.6°F / 54.9°F3.88 in rain
June82.2°F / 64°F4.41 in rain
July86.6°F / 68.7°F4.35 in rain
August85°F / 67.2°F3.56 in rain
September78.3°F / 60.2°F4.9 in rain
October66.8°F / 48.1°F3.67 in rain
November55.5°F / 38.1°F3.18 in rain
December45.4°F / 31.1°F3.81 in rain, 1.7 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%.

Kent 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 vulnerability51more vulnerable than 51% of US census tracts
Socioeconomic status56more vulnerable than 56% of US census tracts
Household characteristics39more vulnerable than 39% of US census tracts
Racial and ethnic minority status32more vulnerable than 32% of US census tracts
Housing type and transport56more vulnerable than 56% of US census tracts
Walkability4.9 out of 20Least walkable
Nearby ZIP codes

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

21667 Still Pond, MD6.5 km away
21651 Millington, MD7.9 km away
21628 Crumpton, MD9 km away
21678 Worton, MD10.2 km away
21610 Betterton, MD10.3 km away
21635 Galena, MD10.4 km away
21930 Georgetown, MD11.3 km away
21620 Chestertown, MD12.7 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.

Kent County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area41.84 sq mi
Water area3.03 sq mi
Population density21 people per sq mi
Latitude, longitude39.2978, -75.9818

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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