ZipCodeLook
21140

Zip code 21140: Riva, Maryland

Residential delivery areaAnne Arundel CountyEastern Time
Population
4,417
Median household income
$170K
U.S. $81K
Median home value
$635K
U.S. $333K
Median rent
—
U.S. $1,413
Median age
43.6
U.S. 38.9
Land area
1.4 sq mi
3,117 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 21140

21140 is an urban zip code in Riva, Maryland (Anne Arundel County), covering 1.4 sq mi of land. About 4,417 people live here, or 3,117 per square mile. The median resident is 43.6 years old, compared with 38.9 nationally.

The median household earns $170,156 a year, about 2.1× the national median of $80,734. 1.3% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $634,700, or 3.7 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 99% of occupied homes are lived in by their owners.

49% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 33.9 minutes each way, and 22% of workers work from home. The most common jobs among working residents are in management; cleaning and personal care; and healthcare.

How 21140 compares

Sorted from highest to lowest national percentile

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Median age
43.6
Under 18
25.9%
65 and over
24%

Race and ethnicity

  • White87%
  • Black0.9%
  • Hispanic9%
  • Asian0.8%
  • Native American0%
  • Pacific Islander0%
  • Other0.2%
  • Multiracial2%
Diversity index
24
U.S. 61.4
Foreign-born
7.7%
U.S. 14.1%
Born in state
51%

Language spoken at home (households)

English only
92%
Spanish
6%
Other Indo-European
1%
Asian / Pacific
0%
Other
0%

Households

Households
1,495
Average household size
3
Family households
87.4%
Married couples
72.7%
Living alone
8.1%
Veterans (of adults)
7.6%
Male / female
52% / 48%

Income and poverty

Household income distribution

<$25k
2%
$25–50k
4%
$50–75k
14%
$75–100k
12%
$100–150k
15%
$150–200k
11%
$200k+
43%

Median household income

21140
$170,156
Anne Arundel Co.
$124,911
Maryland
$103,678
United States
$80,734
Per capita income
$75,559
U.S. $44,673
Poverty rate
1.3%
U.S. 12.5%
Households earning $150K+
53.7%
U.S. 23%
Income inequality (Gini)
0.405
U.S. 0.483

Housing

Median home value

21140
$634,700
Anne Arundel Co.
$467,900
Maryland
$419,900
United States
$332,700

Median gross rent

21140
—
Anne Arundel Co.
$2,071
Maryland
$1,705
United States
$1,413

Types of housing

Single-family
99%
2–4 units
1%
5–19 units
0%
20+ units
0%
Mobile home
0%
Boat, RV, van
0%
Housing units
1,527
Owner-occupied
98.7%
Vacant
2.1%
Median year built
1981
Median rooms
7.7
Renters paying 30%+ of income
60%
Renters paying 50%+ of income
0%
Home value to income
3.7× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
70%
Carpooled
3%
Transit
0%
Walked
0.5%
Bicycle
0.2%
Worked from home
22%
Other
5%

Commute time (one way)

<10 min
9%
10–19
23%
20–29
19%
30–44
19%
45–59
14%
60+
15%
Average commute
33.9 min
U.S. 26.4 min
Unemployment
0.6%
U.S. 5.2%
In labor force
60.4%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management
18%
Cleaning and personal care
15%
Healthcare
9%
Business and finance
9%
Construction and repair
7%
Education
7%
Office and admin
6%
Sales
6%
Computer and math
6%
Food service
5%
Engineering and science
4%
Arts, media and sports
4%
Legal and social services
1%
Transportation and moving
1%
Police and fire
0.8%
Production
0.6%
Farming, fishing and forestry
0%

Industries

Professional and technical services
15%
Finance, insurance and real estate
12%
Education
11%
Public administration
11%
Construction
10%
Health care and social assistance
9%
Other services
8%
Admin, support and management
5%
Restaurants and hotels
5%
Manufacturing
5%
Retail
4%
Information
2%
Arts and recreation
1%
Transportation, warehousing and utilities
0.9%
Wholesale
0.6%
Agriculture and mining
0%
Median earnings per worker
$104,080
U.S. $49,666
Self-employed
14.2%
U.S. 10%
Government workers
22%
U.S. 14.5%
Nonprofit workers
5.6%
U.S. 8.8%

Median earnings by type of work

Type of work21140U.S.
Management, business, science and arts$119,554$74,888
Service$26,006$26,804
Sales and office$104,679$40,476
Construction and maintenance$101,250$49,199
Production and transportation$22,206$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
2%
High school
19%
Some college
19%
Associate's
11%
Bachelor's
27%
Graduate
23%
High school graduate or higher
98.5%
Bachelor's degree or higher
49.3%
Graduate or professional degree
22.5%
Households with broadband
97.1%
Cable, fiber or DSL
89.2%
No internet access
0%
Without health insurance
5.4%
Limited-English households
0%

Geography

City (USPS)
Riva
Center point
38.9508° N, 76.5867° W
Land area
1.4 sq mi
Water area
0.3 sq mi
Time zone
Eastern Time (UTC-5, UTC-4 in summer)
Zip type
Residential delivery area

Cities and towns within this zip

  • Riva (unincorporated)100% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 21140

ZipCityDistanceIncome
21062Glen Burnie · PO box1.7 mi—
21123Pasadena · PO box1.7 mi—
21411Annapolis · PO box1.7 mi—
21412Annapolis · PO box1.7 mi—
21035Davidsonville2.3 mi$188,347
21401Annapolis3.1 mi$123,381
21037Edgewater3.2 mi$145,787
20776Harwood5 mi$149,300
21403Annapolis5.3 mi$123,329
21404Annapolis · PO box5.4 mi—
21032Crownsville5.4 mi$168,653
21405Annapolis5.7 mi$160,703

Zip codes like 21140 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 21140

What city is zip code 21140?

21140 is assigned to Riva, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21140 in?

21140 is in Anne Arundel County, Maryland.

What is the population of 21140?

About 4,417 people live in 21140, according to the Census Bureau's American Community Survey.

What time zone is 21140 in?

21140 is in Eastern Time.

What is the median household income in 21140?

The median household income in 21140 is $170,156.

What zip codes are near 21140?

The closest zip codes to 21140 are 21062, 21123, 21411, 21412, 21035.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21140, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.