21645 ZIP Code — Kennedyville, MD

Kent County, Maryland

ZIP code 21645 is located in Kennedyville, Maryland, within Kent County. It covers approximately 41.84 square miles and serves a population of 1,231 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 410/667.

About ZIP code 21645

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $338,900. Owner-occupancy sits near the national average at 69%.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.

Educational attainment is near the national average, with 29% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 14% of civilians, above the national average of 7%.

Overall, ZIP code 21645 reflects a community defined by a strong veteran community and a significant Social Security-dependent population.

1,231

population

41.84

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21645 ZIP code map

Cities in ZIP code 21645

Below are the cities the US Postal Service accepts for ZIP code 21645. Using any city not on this list may result in mail delivery delays.

City	Status
Kennedyville	Preferred

Nearby ZIP codes

21610 Betterton (5.7 mi) 21678 Worton (7 mi) 21635 Galena (7 mi) 21651 Millington (7 mi) 21919 Earleville (7.3 mi) 21650 Massey (9 mi) 21690 Chestertown (9.2 mi) 21620 Chestertown (10.4 mi) 21912 Warwick (11 mi) 21668 Sudlersville (11.3 mi) 21005 Aberdeen Proving Ground (12.8 mi) 21623 Church Hill (13.1 mi)

Demographics updated 05/2026

Population
Total population	1,231
Population density	29 / sq mi
State FIPS	24
County FIPS	029

Geography
Land area	41.84 sq mi
Water area	3.03 sq mi
Latitude	39.3204
Longitude	-75.9709
Timezone	Eastern (ET)
Area code	410/667

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	37.3%	40.6%	28.2%
$50k – $100k	18.1%	29.0%	28.2%
$100k – $200k	36.7%	23.2%	30.1%
Over $200k	7.9%	7.2%	13.4%

Demographics & statistics

1,231

Population

People per sq mi

47.9

Median age

Median household income

$44,376

Per capita income

$338,900

Median home value

$1,650

Median monthly rent

69.1%

Home ownership

16.6%

Poverty rate

4.5%

Unemployment

498

Housing units

29.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

131

60–64

110

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	190	15.4%
18 and over	1,041	84.6%
65 and over	211	17.1%
Median age	47.9 years

Race & ethnicity

White 94.6%

Black or African American 4.5%

Two or more races 0.9%

Group	Count	%
White	1,164	94.6%
Black or African American	56	4.5%
Two or more races	11	0.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	37.3%	40.6%	28.2%
$50k – $100k	18.1%	29.0%	28.2%
$100k – $200k	36.7%	23.2%	30.1%
Over $200k	7.9%	7.2%	13.4%

Under $10k 3.0%

$10k–$15k 10.8%

$15k–$25k 1.5%

$25k–$35k 16.3%

$35k–$50k 12.1%

$50k–$75k 4.2%

$75k–$100k 5.7%

$100k–$150k 15.0%

$150k–$200k 22.7%

$200k+ 8.7%

Range	% of households
Under $10k	3.0%
$10k–$15k	10.8%
$15k–$25k	1.5%
$25k–$35k	16.3%
$35k–$50k	12.1%
$50k–$75k	4.2%
$75k–$100k	5.7%
$100k–$150k	15.0%
$150k–$200k	22.7%
$200k+	8.7%
Median income	$0

Housing

Home values

$100k–$150k 2.8%

$150k–$200k 7.1%

$200k–$300k 35.9%

$300k–$500k 22.1%

$500k–$1M 25.2%

$1M+ 7.1%

Housing overview

Metric	Value
Median home value	$338,900
Median rent / month	$1,650
Owner occupied	69.1%
Renter occupied	30.9%
Vacant	26.7%
Single-family detached	98.8%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	6.8
Avg household size (owned)	2.30

Year built

Era	%
2020 or later	0.0%
2010–2019	5.7%
2000–2009	23.3%
1990–1999	4.5%
1980–1989	1.7%
1970–1979	2.2%
1960–1969	7.8%
1950–1959	3.7%
1940–1949	15.4%
1939 or earlier	35.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	20.0%
3 bedrooms	46.6%
4 bedrooms	32.0%
5+ bedrooms	1.4%

Vehicles per household

Vehicles	% of households
No vehicle	5.1%
1 vehicle	30.1%
2 vehicles	33.9%
3 or more	30.9%

Heating fuel

Fuel type	%
Electricity	32.8%
Propane / LP gas	14.0%
Fuel oil	30.5%
Wood	12.3%
Solar	1.3%
No fuel used	9.1%

Households & families

Household type	Count	%
Married-couple family	270	57.2%
Cohabiting couple	61	12.9%
Male householder, no spouse	99	21.0%
Female householder, no spouse	42	8.9%
Households with children under 18	88	18.6%
Households with seniors (65+)	154	32.6%
Average household size	2.44

Marital status

Status	Male	Female
Never married	40.6%	17.7%
Married	51.2%	54.0%
Separated	0.0%	0.0%
Widowed	0.0%	1.4%
Divorced	8.2%	26.8%

Education

Less than 9th grade 0.0%

Some HS, no diploma 5.9%

HS graduate 46.8%

Some college, no degree 15.3%

Associate's degree 2.8%

Bachelor's degree 17.4%

Graduate / professional 11.8%

Metric	%
HS diploma or higher	94.1%
Bachelor's or higher	29.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	9	4.1%
Kindergarten	9	4.1%
Elementary school	133	60.7%
High school	56	25.6%
College / grad school	12	5.5%

Employment

Industry of employment

Education & healthcare 24.4%

Manufacturing 22.0%

Professional & management 16.4%

Construction 11.3%

Retail trade 10.6%

Agriculture & mining 5.9%

Arts, food & hospitality 3.7%

Public administration 2.6%

Finance & real estate 1.7%

Other services 1.2%

Occupation

Category	%
Management, business & arts	48.5%
Service	6.3%
Sales & office	36.5%
Natural resources & construction	0.0%
Production & transportation	8.7%

Employment type

Type	%
Private sector	57.8%
Government	21.1%
Self-employed	21.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	60.2%
Carpool	9.4%
Public transit	5.0%
Walk	18.0%
Work from home	7.4%
Other means	0.0%
Avg commute (minutes)	22.2

Poverty

All people 16.6%

Under 18 years 7.4%

18 and over 17.9%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	33.5%
Retirement income	30.3%
Supplemental Security	10.8%
Cash public assistance	0.0%
Food stamps / SNAP	13.8%

Health indicators

Condition	%
Obesity	30.6%
High blood pressure	35.5%
High cholesterol	33.3%
Diabetes	10.5%
Heart disease	6.8%
Stroke	3.0%
Asthma	9.1%
Arthritis	25.6%
Kidney disease	2.9%
Pulmonary disease	6.2%
Cancer	7.7%

Behavior / access	%
Smoking	14.1%
Binge drinking	15.9%
No physical activity	20.8%
Less than 7 hrs sleep	32.3%
Depression	17.5%
Fair or poor health	12.0%
Poor mental health	12.3%
Poor physical health	8.7%
No health insurance	12.8%
Visited doctor (checkup)	75.2%
Visited dentist	67.2%
Cholesterol screening	92.6%
Teeth loss	10.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	147	14.1%

Disability	%
Any disability	10.6%
Under 18	10.5%
18–64 years	11.6%
65 and over	7.1%

Health insurance coverage

Type	%
Private insurance	68.2%
Public insurance	38.5%
No insurance	5.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,221	99.2%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,173	95.3%
Born in same state	1,163	94.5%
Born in different state	515	41.8%
Foreign born	10	0.8%
Naturalized citizen	58	4.7%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	266	21.6%
Arab	99	8%
French	92	7.5%

Ancestry	Count	%
Polish	14	1.1%
Irish	10	0.8%
English	10	0.8%

Technology access

Metric	% of households
Computer access	38.3%
Internet access	94.9%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 21645

What city is ZIP code 21645 in?

ZIP code 21645 is primarily assigned to Kennedyville, Maryland.

What county is ZIP code 21645 in?

ZIP code 21645 falls within Kent County, Maryland.

What is the poverty rate in ZIP code 21645?

17% of residents in ZIP code 21645 live below the poverty line, above the national average.

Does ZIP code 21645 have a large veteran population?

14% of civilians in ZIP code 21645 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 21645?

The median home value in ZIP code 21645 is $338,900.

What is the population of ZIP code 21645?

ZIP code 21645 has an estimated population of 1,231 residents, with a density of 29 people per square mile.

What timezone is ZIP code 21645 in?

ZIP code 21645 observes the EST timezone.