21401 ZIP Code — Annapolis, MD

Anne Arundel County, Maryland

ZIP code 21401 is located in Annapolis, Maryland, within Anne Arundel County. It covers approximately 19.93 square miles and serves a population of 40,442 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 410/443/667.

About ZIP code 21401

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 $541,200. Owner-occupancy sits near the national average at 63%.

The gap between median ($114,699) and mean household income suggests income inequality — a small number of higher earners pull the average up. 35% 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 high — 58% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 21401 reflects a community defined by a highly educated population and a significant Social Security-dependent population.

40,442

population

19.93

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21401 ZIP code map

Cities in ZIP code 21401

Below are the cities the US Postal Service accepts for ZIP code 21401. Using any city not on this list may result in mail delivery delays.

City	Status
Annapolis	Acceptable
Annapolis	Preferred

Nearby ZIP codes

21405 Annapolis (2.3 mi) 21411 Annapolis (3.1 mi) 21412 Annapolis (3.1 mi) 21140 Riva (3.7 mi) 21402 Annapolis (3.9 mi) 21032 Crownsville (4.1 mi) 21012 Arnold (4.4 mi) 21403 Annapolis (4.7 mi) 21037 Edgewater (4.9 mi) 21409 Annapolis (5.3 mi) 21146 Severna Park (5.7 mi) 21035 Davidsonville (6.4 mi)

Demographics updated 05/2026

Population
Total population	40,442
Population density	2,029 / sq mi
State FIPS	24
County FIPS	003

Geography
Land area	19.93 sq mi
Water area	2.27 sq mi
Latitude	38.9934
Longitude	-76.5470
Timezone	Eastern (ET)
Area code	410/443/667

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	19.1%	20.1%	28.2%
$50k – $100k	24.9%	27.4%	28.2%
$100k – $200k	35.4%	36.3%	30.1%
Over $200k	20.5%	16.2%	13.4%

Demographics & statistics

40,442

Population

2,029

People per sq mi

44.0

Median age

$114,699

Median household income

$73,297

Per capita income

$541,200

Median home value

$2,019

Median monthly rent

63.1%

Home ownership

7.5%

Poverty rate

3.3%

Unemployment

12,495

Housing units

57.7%

Bachelor's or higher

Age distribution

Male Female

1,215

Under 5

1,265

905

5–9

943

904

10–14

941

956

15–19

995

1,189

20–24

1,238

2,590

25–34

2,698

2,315

35–44

2,412

2,319

45–54

2,416

1,084

55–59

1,129

1,368

60–64

1,425

2,542

65–74

2,647

1,600

75–84

1,667

822

85+

857

← Male

Female →

Age summary

Group	Count	%
Under 18	7,561	18.7%
18 and over	32,881	81.3%
65 and over	10,135	25.1%
Median age	44.0 years

Race & ethnicity

White 69%

Black or African American 14.2%

Hispanic or Latino 5.8%

Two or more races 4.5%

Asian 3.4%

Other race 3.1%

American Indian / Alaska Native 0.1%

Group	Count	%
White	29,615	69%
Black or African American	6,078	14.2%
Hispanic or Latino	2,470	5.8%
Two or more races	1,943	4.5%
Asian	1,438	3.4%
Other race	1,339	3.1%
American Indian / Alaska Native	29	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	19.1%	20.1%	28.2%
$50k – $100k	24.9%	27.4%	28.2%
$100k – $200k	35.4%	36.3%	30.1%
Over $200k	20.5%	16.2%	13.4%

Under $10k 2.9%

$10k–$15k 1.3%

$15k–$25k 5.4%

$25k–$35k 2.4%

$35k–$50k 5.1%

$50k–$75k 12.1%

$75k–$100k 13.2%

$100k–$150k 20.3%

$150k–$200k 13.6%

$200k+ 23.8%

Range	% of households
Under $10k	2.9%
$10k–$15k	1.3%
$15k–$25k	5.4%
$25k–$35k	2.4%
$35k–$50k	5.1%
$50k–$75k	12.1%
$75k–$100k	13.2%
$100k–$150k	20.3%
$150k–$200k	13.6%
$200k+	23.8%
Median income	$114,699

Housing

Home values

Under $50k 2.2%

$50k–$100k 0.4%

$100k–$150k 0.9%

$150k–$200k 1.3%

$200k–$300k 7.6%

$300k–$500k 32.5%

$500k–$1M 43.6%

$1M+ 11.4%

Housing overview

Metric	Value
Median home value	$541,200
Median rent / month	$2,019
Owner occupied	63.1%
Renter occupied	36.9%
Vacant	6.3%
Single-family detached	41.2%
Large apartment buildings	17.3%
Mobile homes	0.2%
Median rooms	5.7
Avg household size (owned)	2.20

Year built

Era	%
2020 or later	0.1%
2010–2019	9.5%
2000–2009	14.4%
1990–1999	19.2%
1980–1989	17.6%
1970–1979	10.5%
1960–1969	6.2%
1950–1959	5.6%
1940–1949	3.6%
1939 or earlier	13.3%

Bedrooms

Size	% of units
No bedroom (studio)	1.6%
1 bedroom	12.5%
2 bedrooms	32.1%
3 bedrooms	30.9%
4 bedrooms	16.7%
5+ bedrooms	6.1%

Vehicles per household

Vehicles	% of households
No vehicle	7.0%
1 vehicle	41.0%
2 vehicles	36.5%
3 or more	15.5%

Heating fuel

Fuel type	%
Utility gas	42.4%
Electricity	49.9%
Propane / LP gas	1.9%
Fuel oil	4.7%
Wood	0.4%
Solar	0.2%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	8,124	45.4%
Cohabiting couple	832	4.7%
Male householder, no spouse	3,008	16.8%
Female householder, no spouse	5,917	33.1%
Households with children under 18	3,537	19.8%
Households with seniors (65+)	7,093	39.7%
Average household size	2.20

Marital status

Status	Male	Female
Never married	32.9%	29.6%
Married	54.9%	45.8%
Separated	0.9%	1.1%
Widowed	2.3%	11.8%
Divorced	9.1%	11.7%

Education

Less than 9th grade 2.6%

Some HS, no diploma 3.1%

HS graduate 13.9%

Some college, no degree 16.6%

Associate's degree 6.1%

Bachelor's degree 30.0%

Graduate / professional 27.7%

Metric	%
HS diploma or higher	94.2%
Bachelor's or higher	57.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	837	10.2%
Kindergarten	361	4.4%
Elementary school	3,111	38.0%
High school	1,484	18.1%
College / grad school	2,404	29.3%

Employment

Industry of employment

Education & healthcare 21.1%

Professional & management 18.0%

Public administration 12.0%

Retail trade 9.0%

Arts, food & hospitality 8.5%

Finance & real estate 6.9%

Construction 6.5%

Other services 6.1%

Manufacturing 4.0%

Transportation & utilities 3.6%

Information 2.1%

Wholesale trade 1.8%

Agriculture & mining 0.4%

Occupation

Category	%
Management, business & arts	58.0%
Service	14.4%
Sales & office	17.8%
Natural resources & construction	5.3%
Production & transportation	4.6%

Employment type

Type	%
Private sector	73.2%
Government	19.3%
Self-employed	7.1%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	67.9%
Carpool	5.6%
Public transit	3.7%
Walk	4.0%
Work from home	17.2%
Other means	1.6%
Avg commute (minutes)	28.8

Poverty

All people 7.5%

Under 18 years 11.1%

18 and over 6.6%

Married-couple families 2.2%

Female-led households 21.1%

Income support

Source	% of households
Social Security	35.0%
Retirement income	35.2%
Supplemental Security	2.6%
Cash public assistance	2.1%
Food stamps / SNAP	7.3%

Health indicators

Condition	%
Obesity	31.1%
High blood pressure	34.7%
High cholesterol	33.4%
Diabetes	9.4%
Heart disease	6.1%
Stroke	2.7%
Asthma	8.8%
Arthritis	24.9%
Kidney disease	2.8%
Pulmonary disease	5.0%
Cancer	7.6%

Behavior / access	%
Smoking	10.5%
Binge drinking	15.0%
No physical activity	18.8%
Less than 7 hrs sleep	31.4%
Depression	17.6%
Fair or poor health	10.4%
Poor mental health	12.2%
Poor physical health	8.0%
No health insurance	9.0%
Visited doctor (checkup)	77.7%
Visited dentist	72.1%
Cholesterol screening	93.4%
Teeth loss	7.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	3,546	10.9%

Disability	%
Any disability	10.8%
Under 18	6.1%
18–64 years	6.0%
65 and over	25.1%

Health insurance coverage

Type	%
Private insurance	78.5%
Public insurance	37.4%
No insurance	6.0%
Uninsured under 19	6.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	37,962	93.9%
Spanish	1,725	4.5%
Other Indo-European	1,041	2.7%
Asian & Pacific Islander	236	0.6%
Other languages	242	0.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	36,452	90.1%
Born in same state	35,316	87.3%
Born in different state	17,573	43.5%
Foreign born	1,136	2.8%
Naturalized citizen	3,990	9.9%
Not a US citizen	2,429	60.9%

Ancestry

Ancestry	Count	%
French	5,370	13.3%
Italian	4,886	12.1%
Arab	1,614	4%
English	402	1%
Irish	214	0.5%

Ancestry	Count	%
Polish	177	0.4%
German	174	0.4%
Norwegian	117	0.3%
Dutch	58	0.1%

Technology access

Metric	% of households
Computer access	44.2%
Internet access	94.6%

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

Frequently asked questions about ZIP code 21401

What city is ZIP code 21401 in?

ZIP code 21401 is primarily assigned to Annapolis, Maryland.

What county is ZIP code 21401 in?

ZIP code 21401 falls within Anne Arundel County, Maryland.

How educated is the population of ZIP code 21401?

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

Does ZIP code 21401 have an older population?

25% of residents in ZIP code 21401 are 65 or older, above the national average of ~17%.

Does ZIP code 21401 have a large veteran population?

11% of civilians in ZIP code 21401 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 21401?

The median home value in ZIP code 21401 is $541,200.

What timezone is ZIP code 21401 in?

ZIP code 21401 observes the EST timezone.