21629 ZIP Code — Denton, MD

Caroline County, Maryland

ZIP code 21629 is located in Denton, Maryland, within Caroline County. It covers approximately 83.62 square miles and serves a population of 9,988 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 410/443/667.

About ZIP code 21629

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $279,500. Owner-occupancy is high at 75%, well above the national average.

The gap between median ($65,541) and mean household income suggests income inequality — a small number of higher earners pull the average up. SNAP benefit usage at 19% of households reflects economic stress in the area. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Overall, ZIP code 21629 reflects a community defined by high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

9,988

population

83.62

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21629 ZIP code map

Cities in ZIP code 21629

Below are the cities the US Postal Service accepts for ZIP code 21629. Using any city not on this list may result in mail delivery delays.

City	Status
Denton	Preferred

Nearby ZIP codes

21655 Preston (8.1 mi) 21639 Greensboro (8.4 mi) 21625 Cordova (8.5 mi) 21660 Ridgely (8.6 mi) 21632 Federalsburg (9 mi) 21657 Queen Anne (11.2 mi) 21601 Easton (12 mi) 21636 Goldsboro (12.1 mi) 19950 Greenwood (12.7 mi) 19952 Harrington (13.2 mi) 21679 Wye Mills (14.3 mi) 21643 Hurlock (14.4 mi)

Demographics updated 06/2026

Population
Total population	9,988
Population density	119 / sq mi
State FIPS	24
County FIPS	011

Geography
Land area	83.62 sq mi
Water area	2.38 sq mi
Latitude	38.8460
Longitude	-75.8369
Timezone	Eastern (ET)
Area code	410/443/667

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	37.2%	40.1%	28.2%
$50k – $100k	29.9%	34.3%	28.2%
$100k – $200k	25.6%	21.3%	30.1%
Over $200k	7.3%	4.3%	13.4%

Demographics & statistics

9,988

Population

119

People per sq mi

39.5

Median age

$65,541

Median household income

$36,594

Per capita income

$279,500

Median home value

$1,151

Median monthly rent

75.1%

Home ownership

11.7%

Poverty rate

6.5%

Unemployment

2,960

Housing units

21.6%

Bachelor's or higher

Age distribution

Male Female

277

Under 5

284

363

5–9

371

267

10–14

272

429

15–19

439

271

20–24

278

515

25–34

527

596

35–44

609

641

45–54

655

310

55–59

316

453

60–64

464

502

65–74

514

199

75–84

203

115

85+

118

← Male

Female →

Age summary

Group	Count	%
Under 18	2,347	23.5%
18 and over	7,641	76.5%
65 and over	1,651	16.5%
Median age	39.5 years

Race & ethnicity

White 78.1%

Black or African American 14.6%

Two or more races 3.7%

Hispanic or Latino 1.8%

Other race 1.5%

Asian 0.2%

Group	Count	%
White	7,946	78.1%
Black or African American	1,488	14.6%
Two or more races	380	3.7%
Hispanic or Latino	187	1.8%
Other race	151	1.5%
Asian	18	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	37.2%	40.1%	28.2%
$50k – $100k	29.9%	34.3%	28.2%
$100k – $200k	25.6%	21.3%	30.1%
Over $200k	7.3%	4.3%	13.4%

Under $10k 2.5%

$10k–$15k 3.5%

$15k–$25k 6.9%

$25k–$35k 9.7%

$35k–$50k 13.8%

$50k–$75k 18.0%

$75k–$100k 10.9%

$100k–$150k 13.1%

$150k–$200k 10.2%

$200k+ 11.3%

Range	% of households
Under $10k	2.5%
$10k–$15k	3.5%
$15k–$25k	6.9%
$25k–$35k	9.7%
$35k–$50k	13.8%
$50k–$75k	18.0%
$75k–$100k	10.9%
$100k–$150k	13.1%
$150k–$200k	10.2%
$200k+	11.3%
Median income	$65,541

Housing

Home values

Under $50k 1.2%

$50k–$100k 4.9%

$100k–$150k 4.3%

$150k–$200k 13.6%

$200k–$300k 34.2%

$300k–$500k 28.9%

$500k–$1M 12.4%

$1M+ 0.4%

Housing overview

Metric	Value
Median home value	$279,500
Median rent / month	$1,151
Owner occupied	75.1%
Renter occupied	24.9%
Vacant	12.6%
Single-family detached	75.3%
Large apartment buildings	0.0%
Mobile homes	6.9%
Median rooms	6.2
Avg household size (owned)	2.88

Year built

Era	%
2020 or later	3.4%
2010–2019	7.5%
2000–2009	15.7%
1990–1999	15.1%
1980–1989	12.9%
1970–1979	15.3%
1960–1969	6.0%
1950–1959	8.8%
1940–1949	1.8%
1939 or earlier	13.5%

Bedrooms

Size	% of units
No bedroom (studio)	2.7%
1 bedroom	5.4%
2 bedrooms	21.8%
3 bedrooms	45.8%
4 bedrooms	18.3%
5+ bedrooms	6.0%

Vehicles per household

Vehicles	% of households
No vehicle	4.3%
1 vehicle	31.2%
2 vehicles	33.9%
3 or more	30.6%

Heating fuel

Fuel type	%
Utility gas	7.3%
Electricity	54.0%
Propane / LP gas	12.8%
Fuel oil	15.7%
Wood	6.3%
Solar	0.2%
No fuel used	2.4%

Households & families

Household type	Count	%
Married-couple family	1,767	53.4%
Cohabiting couple	126	3.8%
Male householder, no spouse	522	15.8%
Female householder, no spouse	893	27.0%
Households with children under 18	1,100	33.3%
Households with seniors (65+)	1,004	30.4%
Average household size	2.90

Marital status

Status	Male	Female
Never married	39.0%	27.6%
Married	47.9%	48.7%
Separated	1.7%	1.0%
Widowed	4.3%	8.3%
Divorced	7.2%	14.4%

Education

Less than 9th grade 3.5%

Some HS, no diploma 10.0%

HS graduate 35.1%

Some college, no degree 22.8%

Associate's degree 7.0%

Bachelor's degree 13.7%

Graduate / professional 7.9%

Metric	%
HS diploma or higher	86.5%
Bachelor's or higher	21.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	139	5.4%
Kindergarten	80	3.1%
Elementary school	1,011	39.5%
High school	759	29.6%
College / grad school	571	22.3%

Employment

Industry of employment

Education & healthcare 22.0%

Retail trade 13.3%

Public administration 10.7%

Construction 10.2%

Manufacturing 8.9%

Other services 7.3%

Professional & management 6.8%

Arts, food & hospitality 4.6%

Transportation & utilities 4.2%

Agriculture & mining 4.1%

Wholesale trade 3.0%

Finance & real estate 2.8%

Information 2.2%

Occupation

Category	%
Management, business & arts	35.8%
Service	17.6%
Sales & office	20.1%
Natural resources & construction	14.6%
Production & transportation	11.9%

Employment type

Type	%
Private sector	75.3%
Government	19.7%
Self-employed	5.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	83.4%
Carpool	6.4%
Public transit	0.1%
Walk	1.5%
Work from home	5.4%
Other means	3.2%
Avg commute (minutes)	29.4

Poverty

All people 11.7%

Under 18 years 19.2%

18 and over 9.4%

Married-couple families 7.7%

Female-led households 15.4%

Income support

Source	% of households
Social Security	34.0%
Retirement income	24.2%
Supplemental Security	7.3%
Cash public assistance	4.7%
Food stamps / SNAP	19.2%

Health indicators

Condition	%
Obesity	37.0%
High blood pressure	36.8%
High cholesterol	35.8%
Diabetes	12.1%
Heart disease	6.9%
Stroke	3.6%
Asthma	10.6%
Arthritis	29.5%
Kidney disease	3.2%
Pulmonary disease	7.8%
Cancer	7.3%

Behavior / access	%
Smoking	17.8%
Binge drinking	14.2%
No physical activity	25.8%
Less than 7 hrs sleep	34.1%
Depression	21.0%
Fair or poor health	15.5%
Poor mental health	15.5%
Poor physical health	10.6%
No health insurance	11.1%
Visited doctor (checkup)	79.3%
Visited dentist	61.4%
Cholesterol screening	91.0%
Teeth loss	14.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	503	6.6%

Disability	%
Any disability	17.0%
Under 18	3.8%
18–64 years	18.3%
65 and over	32.8%

Health insurance coverage

Type	%
Private insurance	58.2%
Public insurance	53.9%
No insurance	4.0%
Uninsured under 19	4.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	9,427	94.4%
Spanish	104	1.1%
Other Indo-European	87	0.9%
Asian & Pacific Islander	15	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	9,659	96.7%
Born in same state	9,524	95.4%
Born in different state	7,185	71.9%
Foreign born	135	1.4%
Naturalized citizen	329	3.3%
Not a US citizen	97	29.5%

Ancestry

Ancestry	Count	%
French	1,466	14.7%
Italian	1,201	12%
Arab	625	6.3%
English	62	0.6%

Ancestry	Count	%
Irish	35	0.4%
Polish	20	0.2%
German	13	0.1%

Technology access

Metric	% of households
Computer access	33.1%
Internet access	94.7%

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

Frequently asked questions about ZIP code 21629

What city is ZIP code 21629 in?

ZIP code 21629 is primarily assigned to Denton, Maryland.

What county is ZIP code 21629 in?

ZIP code 21629 falls within Caroline County, Maryland.

What is the population of ZIP code 21629?

ZIP code 21629 has an estimated population of 9,988 residents, with a density of 119 people per square mile.

What is the typical home value in ZIP code 21629?

The median home value in ZIP code 21629 is $279,500.

What is the median household income in ZIP code 21629?

The median household income in ZIP code 21629 is $65,541, below the national median of ~$75,000.

What timezone is ZIP code 21629 in?

ZIP code 21629 observes the EST timezone.