21146 ZIP Code — Severna Park, MD

Anne Arundel County, Maryland

ZIP code 21146 is located in Severna Park, Maryland, within Anne Arundel County. It covers approximately 10.14 square miles and serves a population of 29,710 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 410/443.

About ZIP code 21146

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $622,000. Owner-occupancy is high at 90%, well above the national average.

The gap between median ($171,848) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average. 31% 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 30 minutes is near the national average. Remote work is prevalent — 21% of workers work from home.

Educational attainment is high — 58% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 21146 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

29,710

population

10.14

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21146 ZIP code map

Cities in ZIP code 21146

Below are the cities the US Postal Service accepts for ZIP code 21146. Using any city not on this list may result in mail delivery delays.

City	Status
Severna Park	Preferred

Nearby ZIP codes

21108 Millersville (2.8 mi) 21405 Annapolis (3.4 mi) 21032 Crownsville (3.8 mi) 21012 Arnold (4.4 mi) 21122 Pasadena (4.5 mi) 21401 Annapolis (5.7 mi) 21054 Gambrills (6.3 mi) 21060 Glen Burnie (6.8 mi) 21062 Glen Burnie (6.9 mi) 21409 Annapolis (7 mi) 21144 Severn (7.2 mi) 21061 Glen Burnie (7.3 mi)

Demographics updated 05/2026

Population
Total population	29,710
Population density	2,930 / sq mi
State FIPS	24
County FIPS	003

Geography
Land area	10.14 sq mi
Water area	2.47 sq mi
Latitude	39.0742
Longitude	-76.5652
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	13.1%	20.1%	28.2%
$50k – $100k	17.0%	27.4%	28.2%
$100k – $200k	34.4%	36.3%	30.1%
Over $200k	35.6%	16.2%	13.4%

Demographics & statistics

29,710

Population

2,930

People per sq mi

42.1

Median age

$171,848

Median household income

$75,555

Per capita income

$622,000

Median home value

$1,492

Median monthly rent

90.0%

Home ownership

2.6%

Poverty rate

2.5%

Unemployment

9,585

Housing units

58.2%

Bachelor's or higher

Age distribution

Male Female

1,080

Under 5

1,039

1,090

5–9

1,049

1,111

10–14

1,069

15–19

1,028

579

20–24

556

1,097

25–34

1,055

2,182

35–44

2,099

2,088

45–54

2,008

1,072

55–59

1,031

1,255

60–64

1,207

1,325

65–74

1,274

833

75–84

800

364

85+

350

← Male

Female →

Age summary

Group	Count	%
Under 18	7,831	26.4%
18 and over	21,879	73.6%
65 and over	4,946	16.6%
Median age	42.1 years

Race & ethnicity

White 85.9%

Two or more races 4.9%

Black or African American 3.4%

Hispanic or Latino 2.6%

Asian 2.4%

Other race 0.8%

Group	Count	%
White	26,205	85.9%
Two or more races	1,485	4.9%
Black or African American	1,026	3.4%
Hispanic or Latino	806	2.6%
Asian	739	2.4%
Other race	253	0.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	13.1%	20.1%	28.2%
$50k – $100k	17.0%	27.4%	28.2%
$100k – $200k	34.4%	36.3%	30.1%
Over $200k	35.6%	16.2%	13.4%

Under $10k 0.7%

$10k–$15k 0.5%

$15k–$25k 2.3%

$25k–$35k 4.5%

$35k–$50k 4.2%

$50k–$75k 7.9%

$75k–$100k 7.1%

$100k–$150k 14.2%

$150k–$200k 16.7%

$200k+ 41.8%

Range	% of households
Under $10k	0.7%
$10k–$15k	0.5%
$15k–$25k	2.3%
$25k–$35k	4.5%
$35k–$50k	4.2%
$50k–$75k	7.9%
$75k–$100k	7.1%
$100k–$150k	14.2%
$150k–$200k	16.7%
$200k+	41.8%
Median income	$171,848

Housing

Home values

Under $50k 0.1%

$50k–$100k 0.4%

$200k–$300k 3.0%

$300k–$500k 23.8%

$500k–$1M 61.6%

$1M+ 11.0%

Housing overview

Metric	Value
Median home value	$622,000
Median rent / month	$1,492
Owner occupied	90.0%
Renter occupied	10.0%
Vacant	4.2%
Single-family detached	92.7%
Large apartment buildings	3.8%
Mobile homes	0.0%
Median rooms	8.3
Avg household size (owned)	2.98

Year built

Era	%
2020 or later	0.4%
2010–2019	6.0%
2000–2009	7.3%
1990–1999	10.8%
1980–1989	18.9%
1970–1979	16.1%
1960–1969	22.8%
1950–1959	11.4%
1940–1949	2.9%
1939 or earlier	3.1%

Bedrooms

Size	% of units
No bedroom (studio)	1.0%
1 bedroom	2.5%
2 bedrooms	4.9%
3 bedrooms	29.4%
4 bedrooms	44.7%
5+ bedrooms	17.5%

Vehicles per household

Vehicles	% of households
No vehicle	2.2%
1 vehicle	17.8%
2 vehicles	47.5%
3 or more	32.5%

Heating fuel

Fuel type	%
Utility gas	49.6%
Electricity	38.1%
Propane / LP gas	1.9%
Fuel oil	7.8%
Wood	0.8%
Solar	0.3%

Households & families

Household type	Count	%
Married-couple family	6,857	67.5%
Cohabiting couple	366	3.6%
Male householder, no spouse	929	9.1%
Female householder, no spouse	2,002	19.7%
Households with children under 18	4,004	39.4%
Households with seniors (65+)	3,402	33.5%
Average household size	2.90

Marital status

Status	Male	Female
Never married	26.1%	20.2%
Married	63.6%	59.6%
Separated	0.9%	1.3%
Widowed	2.6%	9.7%
Divorced	6.8%	9.3%

Education

Less than 9th grade 1.5%

Some HS, no diploma 2.6%

HS graduate 17.7%

Some college, no degree 14.5%

Associate's degree 5.5%

Bachelor's degree 29.5%

Graduate / professional 28.7%

Metric	%
HS diploma or higher	95.9%
Bachelor's or higher	58.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	729	9.6%
Kindergarten	520	6.8%
Elementary school	3,441	45.1%
High school	1,861	24.4%
College / grad school	1,073	14.1%

Employment

Industry of employment

Education & healthcare 23.1%

Professional & management 20.3%

Public administration 10.9%

Construction 9.7%

Retail trade 7.8%

Finance & real estate 7.2%

Manufacturing 5.3%

Arts, food & hospitality 4.7%

Other services 3.1%

Wholesale trade 2.8%

Transportation & utilities 2.4%

Information 2.1%

Agriculture & mining 0.7%

Occupation

Category	%
Management, business & arts	62.3%
Service	9.3%
Sales & office	17.6%
Natural resources & construction	8.4%
Production & transportation	2.3%

Employment type

Type	%
Private sector	71.8%
Government	22.2%
Self-employed	5.8%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	72.4%
Carpool	2.8%
Public transit	1.6%
Walk	2.0%
Work from home	20.6%
Other means	0.5%
Avg commute (minutes)	29.8

Poverty

All people 2.6%

Under 18 years 1.2%

18 and over 3.1%

Married-couple families 0.9%

Female-led households 4.7%

Income support

Source	% of households
Social Security	30.9%
Retirement income	32.2%
Supplemental Security	4.5%
Cash public assistance	1.3%
Food stamps / SNAP	2.2%

Health indicators

Condition	%
Obesity	29.3%
High blood pressure	32.7%
High cholesterol	34.7%
Diabetes	8.2%
Heart disease	5.5%
Stroke	2.3%
Asthma	8.4%
Arthritis	24.5%
Kidney disease	2.5%
Pulmonary disease	4.5%
Cancer	7.7%

Behavior / access	%
Smoking	9.6%
Binge drinking	15.7%
No physical activity	15.6%
Less than 7 hrs sleep	29.7%
Depression	17.8%
Fair or poor health	8.3%
Poor mental health	11.4%
Poor physical health	7.3%
No health insurance	6.2%
Visited doctor (checkup)	77.4%
Visited dentist	77.2%
Cholesterol screening	94.9%
Teeth loss	5.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,352	10.9%

Disability	%
Any disability	9.0%
Under 18	2.8%
18–64 years	5.8%
65 and over	30.2%

Health insurance coverage

Type	%
Private insurance	89.8%
Public insurance	22.6%
No insurance	1.5%
Uninsured under 19	1.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	27,591	92.9%
Spanish	386	1.4%
Other Indo-European	166	0.6%
Asian & Pacific Islander	80	0.3%
Other languages	140	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	28,380	95.5%
Born in same state	27,815	93.6%
Born in different state	15,690	52.8%
Foreign born	565	1.9%
Naturalized citizen	1,330	4.5%
Not a US citizen	866	65.1%

Ancestry

Ancestry	Count	%
Italian	5,356	18%
French	5,023	16.9%
Arab	1,139	3.8%
English	374	1.3%
Polish	338	1.1%

Ancestry	Count	%
Norwegian	331	1.1%
Irish	176	0.6%
Dutch	89	0.3%
German	64	0.2%

Technology access

Metric	% of households
Computer access	34.2%
Internet access	96.7%

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

Frequently asked questions about ZIP code 21146

What city is ZIP code 21146 in?

ZIP code 21146 is primarily assigned to Severna Park, Maryland.

What county is ZIP code 21146 in?

ZIP code 21146 falls within Anne Arundel County, Maryland.

How educated is the population of ZIP code 21146?

58% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 21146 mostly owner-occupied?

90% of occupied units in ZIP code 21146 are owner-occupied, well above the national average.

Does ZIP code 21146 have a large veteran population?

11% of civilians in ZIP code 21146 are veterans, above the national average of ~7%.

What is the median household income in ZIP code 21146?

The median household income in ZIP code 21146 is $171,848, above the national median of ~$75,000.

What timezone is ZIP code 21146 in?

ZIP code 21146 observes the EST timezone.