PlainZIP

Severn, MD · standard

ZIP Code 21144

Anne Arundel County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

31,884
768/sq mi
$136,684
Median income
$483,700
Median home value
43.5%
Bachelor's or higher

The verdict

Severn pairs a top-decile household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 6%
household income, US ZIPs
Top 14%
home value, US ZIPs
768
people per sq mi
80%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21144 against every reporting US ZIP.

ZIP code 21144 is a densely settled ZIP (a standard USPS delivery area) in Severn, Anne Arundel County, Maryland, with 31,884 residents across 41.5 square miles, a density of 768 people per square mile, in the New York time zone.

ZIP 21144 skews affluent, with a median household income of $136,684 (20% above the Maryland average), while per-capita income is $57,707. Local economic indicators show a 4.4% poverty rate alongside 3.9% unemployment. Housing costs here run $483,700 for a typical home value (8% above the state average), with rent averaging $2,026 a month; 80.3% of homes are owner-occupied.

A solid share of residents have a four-year degree: 43.5% of adults hold a bachelor's degree or higher, the median age is 37.7, and the average commute is 28 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Anne Arundel County, so you can benchmark 21144 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 21144

Top 5 sectors by establishment count in Severn, MD

Which industries have the most business establishments in ZIP 21144.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 21144, Severn, MD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

31,884

Population

41.5

Area (sq mi)

768

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 21144?

37.7

Median Age

48.8%

Male

51.2%

Female

15.3%

Foreign-Born

White 45.0%
African American 31.3%
Asian 6.8%
American Indian or Alaska Native 0.6%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 10.2%
Hispanic or Latino 11.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$136,684

Median Household Income

+20% vs state

$57,707

Per Capita Income

4.4%

Poverty Rate

3.9%

Unemployment Rate

28.0 min

Mean Commute Time

How ZIP 21144 ranks nationally

Severn, MD household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$136,684 Top 6% higher than 94% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). This entry sits in this band. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 68.3%
Bachelor's Degree or Higher 43.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

13,466

Total Housing Units

13,019

Occupied Units

447

Vacant Units

2.85

Avg Household Size

Occupancy Type

Owner 80.3%
Renter 19.7%

$483,700

Median Home Value

+8% vs state

$2,026

Median Rent

1992

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+3.5%

YoY Change (2024)

282

HPI Index (2000 = 100)

+182%

Total Change Since 2000

Home values in ZIP 21144 have increased 3.5% over the past year (2024). Since 2000, this ZIP has seen +182% cumulative appreciation.

Year Annual Change HPI Index
2020 +3.4% 208
2021 +8.3% 225
2022 +10.7% 249
2023 +9.2% 272
2024 +3.5% 282

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 344 business establishments in ZIP 21144, employing approximately 4,418 people with a combined annual payroll of $210,883,000.

344

Businesses

4,418

Employees

$210.9M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Construction 67 19.5%
Professional, scientific, and technical services 53 15.4%
Other services (except public administration) 52 15.1%
Administrative and support and waste management and remediation services 34 9.9%
Retail trade 32 9.3%
Accommodation and food services 20 5.8%
Transportation and warehousing 17 4.9%
Health care and social assistance 15 4.4%
Wholesale trade 11 3.2%
Manufacturing 9 2.6%
Real estate and rental and leasing 9 2.6%
Educational services 8 2.3%
Arts, entertainment, and recreation 7 2.0%
Finance and insurance 6 1.7%
Information 3 0.9%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 21144 vs 21077 →

ZIP 21144 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 21144 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 21144 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 21144 ranks #5 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
21077 Harmans, MD 224 2.7 mi
21240 Baltimore, MD 0 3.8 mi
20755 Fort George G Meade, MD 9,302 3.9 mi
21108 Millersville, MD 17,964 3.7 mi
21061 Glen Burnie, MD 53,684 3.8 mi
21076 Hanover, MD 12,952 4.0 mi
21090 Linthicum Heights, MD 9,784 6.1 mi
21054 Gambrills, MD 10,127 6.9 mi
21113 Odenton, MD 30,469 5.1 mi
20701 Annapolis Junction, MD 2 5.8 mi

More ZIP Codes in Anne Arundel County

21122 standard
Pasadena, MD
Pop: 60,576
21061 standard
Glen Burnie, MD
Pop: 53,684
21401 standard
Annapolis, MD
Pop: 36,012
21113 standard
Odenton, MD
Pop: 30,469
21403 standard
Annapolis, MD
Pop: 30,269
21060 standard
Glen Burnie, MD
Pop: 29,223

Related Areas

Anne Arundel County Severn, MD Maryland

Frequently Asked Questions

What county is ZIP code 21144 in? ▼
ZIP code 21144 (Severn) is located in Anne Arundel County, Maryland. Anne Arundel County contains multiple ZIP codes, see the full list at /counties/anne-arundel-md.
What is the population of ZIP code 21144? ▼
ZIP code 21144 in Severn, MD has a population of 31,884 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 21144? ▼
The median household income in ZIP 21144 is $136,684, which is 79% above the national average of $76,288.
What is the average home value in ZIP 21144? ▼
The median home value in ZIP 21144 is $483,700, which is 74% above the national average of $278,155.
What is the demographic makeup of ZIP 21144? ▼
The largest racial group in ZIP 21144 is White at 45.0%. Hispanic or Latino residents make up 11.7% of the population.
How many businesses are in ZIP code 21144? ▼
ZIP code 21144 has 344 business establishments employing approximately 4,418 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 21144? ▼
The top industries by establishment count in ZIP 21144 are: Construction (67), Professional, scientific, and technical services (53), Other services (except public administration) (52). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 21144? ▼
According to the FHFA House Price Index, home values in ZIP 21144 increased by 3.5% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 182%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 21144? ▼
In ZIP code 21144, 68.3% of residents aged 25+ have a high school diploma or higher, and 43.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 21144? ▼
The mean commute time for workers in ZIP code 21144 is 28.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 21144? ▼
In ZIP code 21144, approximately 80.3% of occupied housing units are owner-occupied and 19.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 21144? ▼
The poverty rate in ZIP code 21144 is 4.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.