21144 ZIP Code — Severn, MD

Anne Arundel County, Maryland

ZIP code 21144 is located in Severn, Maryland, within Anne Arundel County. It covers approximately 16.51 square miles and serves a population of 37,041 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 410/443.

About ZIP code 21144

The housing stock consists of a mix of housing types. Most homes were built in the 1990s, giving the area an established character. Median home value is $443,200. Owner-occupancy is high at 83%, well above the national average.

The gap between median ($127,055) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.

Educational attainment is near the national average, with 41% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.

Overall, ZIP code 21144 reflects a community defined by a strong veteran community and high homeownership.

37,041

population

16.51

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21144 ZIP code map

Cities in ZIP code 21144

Below are the cities the US Postal Service accepts for ZIP code 21144. Using any city not on this list may result in mail delivery delays.

City	Status
Severn	Preferred

Nearby ZIP codes

21240 Baltimore (3.9 mi) 21240 Baltimore (3.9 mi) 21061 Glen Burnie (3.9 mi) 21076 Hanover (4.1 mi) 21062 Glen Burnie (4.4 mi) 21108 Millersville (4.5 mi) 21113 Odenton (5 mi) 20755 Fort George G Meade (5.2 mi) 20701 Annapolis Junction (5.5 mi) 20794 Jessup (5.7 mi) 21090 Linthicum Heights (6 mi) 20724 Laurel (6.4 mi)

Demographics updated 05/2026

Population
Total population	37,041
Population density	2,244 / sq mi
State FIPS	24
County FIPS	003

Geography
Land area	16.51 sq mi
Water area	0.00 sq mi
Latitude	39.1202
Longitude	-76.6867
Timezone	Eastern (ET)
Area code	410/443

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	15.9%	20.1%	28.2%
$50k – $100k	26.6%	27.4%	28.2%
$100k – $200k	40.6%	36.3%	30.1%
Over $200k	16.8%	16.2%	13.4%

Demographics & statistics

37,041

Population

2,244

People per sq mi

36.6

Median age

$127,055

Median household income

$53,598

Per capita income

$443,200

Median home value

$1,845

Median monthly rent

83.0%

Home ownership

6.2%

Poverty rate

4.3%

Unemployment

11,221

Housing units

41.0%

Bachelor's or higher

Age distribution

Male Female

1,323

Under 5

1,239

1,263

5–9

1,183

1,366

10–14

1,280

957

15–19

897

1,268

20–24

1,188

2,815

25–34

2,638

2,463

35–44

2,309

2,650

45–54

2,484

1,552

55–59

1,455

951

60–64

892

1,811

65–74

1,697

601

75–84

563

101

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	8,789	23.7%
18 and over	28,252	76.3%
65 and over	4,868	13.1%
Median age	36.6 years

Race & ethnicity

White 44.7%

Black or African American 31%

Two or more races 7.5%

Asian 7%

Hispanic or Latino 6%

Other race 3.5%

American Indian / Alaska Native 0.4%

Group	Count	%
White	17,599	44.7%
Black or African American	12,204	31%
Two or more races	2,973	7.5%
Asian	2,763	7%
Hispanic or Latino	2,354	6%
Other race	1,363	3.5%
American Indian / Alaska Native	139	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	15.9%	20.1%	28.2%
$50k – $100k	26.6%	27.4%	28.2%
$100k – $200k	40.6%	36.3%	30.1%
Over $200k	16.8%	16.2%	13.4%

Under $10k 3.0%

$10k–$15k 1.2%

$15k–$25k 1.2%

$25k–$35k 3.8%

$35k–$50k 5.0%

$50k–$75k 12.3%

$75k–$100k 10.0%

$100k–$150k 20.3%

$150k–$200k 16.2%

$200k+ 26.8%

Range	% of households
Under $10k	3.0%
$10k–$15k	1.2%
$15k–$25k	1.2%
$25k–$35k	3.8%
$35k–$50k	5.0%
$50k–$75k	12.3%
$75k–$100k	10.0%
$100k–$150k	20.3%
$150k–$200k	16.2%
$200k+	26.8%
Median income	$127,055

Housing

Home values

Under $50k 2.9%

$50k–$100k 1.2%

$100k–$150k 1.5%

$150k–$200k 0.7%

$200k–$300k 7.1%

$300k–$500k 51.3%

$500k–$1M 34.3%

$1M+ 1.0%

Housing overview

Metric	Value
Median home value	$443,200
Median rent / month	$1,845
Owner occupied	83.0%
Renter occupied	17.0%
Vacant	4.2%
Single-family detached	66.7%
Large apartment buildings	0.2%
Mobile homes	2.6%
Median rooms	7.2
Avg household size (owned)	2.87

Year built

Era	%
2020 or later	0.7%
2010–2019	16.7%
2000–2009	13.7%
1990–1999	24.0%
1980–1989	12.2%
1970–1979	19.5%
1960–1969	6.0%
1950–1959	4.2%
1940–1949	0.8%
1939 or earlier	2.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.1%
1 bedroom	1.2%
2 bedrooms	12.1%
3 bedrooms	40.6%
4 bedrooms	37.9%
5+ bedrooms	8.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.5%
1 vehicle	23.9%
2 vehicles	42.0%
3 or more	31.6%

Heating fuel

Fuel type	%
Utility gas	39.5%
Electricity	48.4%
Propane / LP gas	2.2%
Fuel oil	7.4%
Wood	0.3%
Solar	1.7%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	7,945	61.8%
Cohabiting couple	524	4.1%
Male householder, no spouse	1,595	12.4%
Female householder, no spouse	2,782	21.7%
Households with children under 18	4,809	37.4%
Households with seniors (65+)	3,540	27.6%
Average household size	2.88

Marital status

Status	Male	Female
Never married	34.5%	25.4%
Married	57.0%	55.6%
Separated	0.7%	1.9%
Widowed	2.1%	5.9%
Divorced	5.7%	11.1%

Education

Less than 9th grade 2.3%

Some HS, no diploma 3.2%

HS graduate 23.4%

Some college, no degree 21.0%

Associate's degree 9.0%

Bachelor's degree 24.0%

Graduate / professional 17.0%

Metric	%
HS diploma or higher	94.4%
Bachelor's or higher	41.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	842	8.1%
Kindergarten	630	6.1%
Elementary school	3,682	35.5%
High school	1,652	15.9%
College / grad school	3,553	34.3%

Employment

Industry of employment

Education & healthcare 20.0%

Public administration 16.3%

Professional & management 14.2%

Retail trade 10.7%

Construction 7.4%

Other services 7.0%

Transportation & utilities 5.8%

Finance & real estate 5.8%

Arts, food & hospitality 5.1%

Manufacturing 4.2%

Information 1.8%

Wholesale trade 1.7%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	46.8%
Service	15.5%
Sales & office	18.5%
Natural resources & construction	6.6%
Production & transportation	12.6%

Employment type

Type	%
Private sector	68.8%
Government	26.8%
Self-employed	4.3%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	75.3%
Carpool	6.6%
Public transit	3.5%
Walk	0.5%
Work from home	12.0%
Other means	2.2%
Avg commute (minutes)	28.4

Poverty

All people 6.2%

Under 18 years 10.2%

18 and over 5.0%

Married-couple families 1.6%

Female-led households 19.5%

Income support

Source	% of households
Social Security	23.2%
Retirement income	27.9%
Supplemental Security	3.6%
Cash public assistance	2.5%
Food stamps / SNAP	7.6%

Health indicators

Condition	%
Obesity	34.0%
High blood pressure	32.2%
High cholesterol	30.2%
Diabetes	8.8%
Heart disease	4.4%
Stroke	2.2%
Asthma	9.3%
Arthritis	20.8%
Kidney disease	2.2%
Pulmonary disease	4.3%
Cancer	5.3%

Behavior / access	%
Smoking	12.9%
Binge drinking	16.0%
No physical activity	19.3%
Less than 7 hrs sleep	35.8%
Depression	18.0%
Fair or poor health	10.2%
Poor mental health	13.5%
Poor physical health	7.7%
No health insurance	9.4%
Visited doctor (checkup)	76.6%
Visited dentist	69.5%
Cholesterol screening	92.9%
Teeth loss	7.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	3,506	12.7%

Disability	%
Any disability	9.5%
Under 18	1.7%
18–64 years	9.0%
65 and over	26.0%

Health insurance coverage

Type	%
Private insurance	80.2%
Public insurance	28.2%
No insurance	6.1%
Uninsured under 19	2.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	34,479	93.1%
Spanish	1,758	5.1%
Other Indo-European	396	1.1%
Asian & Pacific Islander	580	1.7%
Other languages	685	2.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	31,932	86.2%
Born in same state	30,918	83.5%
Born in different state	17,050	46.0%
Foreign born	1,014	2.7%
Naturalized citizen	5,109	13.8%
Not a US citizen	3,150	61.7%

Ancestry

Ancestry	Count	%
Italian	3,528	9.5%
French	2,928	7.9%
Arab	1,012	2.7%
Polish	191	0.5%
English	189	0.5%

Ancestry	Count	%
Irish	73	0.2%
German	42	0.1%
Norwegian	42	0.1%
Dutch	17	0%

Technology access

Metric	% of households
Computer access	34.7%
Internet access	98.0%

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

Frequently asked questions about ZIP code 21144

What city is ZIP code 21144 in?

ZIP code 21144 is primarily assigned to Severn, Maryland.

What county is ZIP code 21144 in?

ZIP code 21144 falls within Anne Arundel County, Maryland.

Is ZIP code 21144 mostly owner-occupied?

83% of occupied units in ZIP code 21144 are owner-occupied, well above the national average.

Does ZIP code 21144 have a large veteran population?

13% of civilians in ZIP code 21144 are veterans, above the national average of ~7%.

What is the median household income in ZIP code 21144?

The median household income in ZIP code 21144 is $127,055, above the national median of ~$75,000.

What is the typical home value in ZIP code 21144?

The median home value in ZIP code 21144 is $443,200.

What timezone is ZIP code 21144 in?

ZIP code 21144 observes the EST timezone.