Riva ZIP Codes — Anne Arundel County, MD

There is one unique ZIP code in Riva, Maryland and it is 21140. Area code: 410/301.

ZIP codes

1.42

sq mi land

0.34

sq mi water

410/301

area code

Riva, MD ZIP code map

About Riva, MD

Riva is a charming community located in Maryland, within the township of Anne Arundel County. Nestled close to the picturesque Chesapeake Bay, the city boasts a serene atmosphere that attracts both residents and visitors alike. With its single ZIP code of 21140, Riva offers a close-knit, suburban environment that promotes a sense of community and belonging.

Location & geography

Riva is strategically situated just a short drive from Annapolis, the state capital, which is approximately 10 miles to the east. The city also lies within easy reach of larger urban centers such as Baltimore and Washington, D.C., both roughly 30 miles away. The total area of Riva encompasses 1.42 square miles of land, complemented by 0.34 square miles of water, resulting in scenic waterfronts and a tranquil natural landscape.

Community & economy

Riva is characterized by its laid-back lifestyle, where residents enjoy access to both natural beauty and community amenities. The economy in this area is bolstered by local businesses and industries, primarily focusing on services, retail, and small-scale manufacturing. Daily life in Riva features a blend of outdoor activities along the waterfront and community events that foster neighborly connections.

Transportation

Riva is conveniently accessible via major thoroughfares, including Maryland Route 424, which connects residents to the larger highway network. The nearest major airports are Baltimore/Washington International Thurgood Marshall Airport, located about 25 miles away. While public transit options are limited, the city's proximity to Annapolis provides additional transportation alternatives.

History

Riva has a rich history characterized by its development during the 20th century, attracting residents seeking a suburban lifestyle close to the Bay. The community has seen growth in residential developments, with industries focused on service-related sectors playing significant roles in its economy. Notable events in Riva's history include its transformation into a desirable residential area as urban growth spread from the nearby cities.

Did you know?

One surprising fact about Riva is that it offers residents a unique blend of rural charm and suburban convenience. Additionally, the city is well-known for its proximity to outdoor recreational areas along the Chesapeake Bay, making it a favored spot for boating and fishing enthusiasts.

ZIP codes for Riva, MD (1)

ZIP code	City	County	Map
21140	Riva	Anne Arundel	View map

Demographics & statistics

4,255

Population

43.8

Median age

$141,411

Median household income

$67,252

Per capita income

$554,000

Median home value

$1,879

Median monthly rent

97.0%

Home ownership

1.0%

Poverty rate

1.6%

Unemployment

1,457

Housing units

55.1%

Bachelor's or higher

Age distribution

Male Female

127

Under 5

123

189

5–9

182

206

10–14

199

117

15–19

113

20–24

129

25–34

125

317

35–44

306

298

45–54

287

144

55–59

139

117

60–64

112

371

65–74

357

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,120	26.3%
18 and over	3,135	73.7%
65 and over	980	23.0%
Median age	43.8 years

Race & ethnicity

White 88.6%

Two or more races 4.9%

Hispanic or Latino 4.2%

Other race 1.9%

Black or African American 0.3%

Asian 0.2%

Group	Count	%
White	3,934	88.6%
Two or more races	216	4.9%
Hispanic or Latino	185	4.2%
Other race	85	1.9%
Black or African American	12	0.3%
Asian	8	0.2%

Household income

Under $10k 0.3%

$15k–$25k 4.0%

$25k–$35k 0.6%

$35k–$50k 5.5%

$50k–$75k 10.5%

$75k–$100k 8.2%

$100k–$150k 23.2%

$150k–$200k 8.7%

$200k+ 39.1%

Range	% of households
Under $10k	0.3%
$15k–$25k	4.0%
$25k–$35k	0.6%
$35k–$50k	5.5%
$50k–$75k	10.5%
$75k–$100k	8.2%
$100k–$150k	23.2%
$150k–$200k	8.7%
$200k+	39.1%
Median income	$141,411

Housing

Home values

$50k–$100k 3.1%

$150k–$200k 5.1%

$200k–$300k 0.6%

$300k–$500k 32.1%

$500k–$1M 49.7%

$1M+ 9.4%

Housing overview

Metric	Value
Median home value	$554,000
Median rent / month	$1,879
Owner occupied	97.0%
Renter occupied	3.0%
Vacant	2.3%
Single-family detached	94.9%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	7.9
Avg household size (owned)	2.92

Year built

Era	%
2020 or later	1.5%
2010–2019	7.5%
2000–2009	4.5%
1990–1999	13.5%
1980–1989	19.3%
1970–1979	36.0%
1960–1969	5.7%
1950–1959	8.5%
1940–1949	0.0%
1939 or earlier	3.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	4.6%
2 bedrooms	9.5%
3 bedrooms	35.0%
4 bedrooms	32.0%
5+ bedrooms	18.9%

Vehicles per household

Vehicles	% of households
No vehicle	1.1%
1 vehicle	21.6%
2 vehicles	48.3%
3 or more	29.0%

Heating fuel

Fuel type	%
Utility gas	46.1%
Electricity	45.2%
Propane / LP gas	2.1%
Fuel oil	6.5%

Households & families

Household type	Count	%
Married-couple family	1,040	70.9%
Cohabiting couple	71	4.8%
Male householder, no spouse	167	11.4%
Female householder, no spouse	189	12.9%
Households with children under 18	531	36.2%
Households with seniors (65+)	596	40.6%
Average household size	2.90

Marital status

Status	Male	Female
Never married	17.5%	15.7%
Married	70.8%	61.5%
Separated	0.8%	0.7%
Widowed	0.7%	6.8%
Divorced	10.2%	15.4%

Education

Less than 9th grade 2.0%

Some HS, no diploma 0.0%

HS graduate 15.5%

Some college, no degree 17.2%

Associate's degree 10.2%

Bachelor's degree 27.8%

Graduate / professional 27.3%

Metric	%
HS diploma or higher	98.0%
Bachelor's or higher	55.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	12	1.1%
Kindergarten	76	6.7%
Elementary school	692	60.8%
High school	143	12.6%
College / grad school	215	18.9%

Employment

Industry of employment

Education & healthcare 26.7%

Public administration 13.8%

Professional & management 13.1%

Construction 11.5%

Finance & real estate 11.0%

Arts, food & hospitality 9.5%

Manufacturing 4.7%

Retail trade 4.5%

Information 1.9%

Transportation & utilities 1.8%

Other services 1.4%

Wholesale trade 0.2%

Occupation

Category	%
Management, business & arts	65.8%
Service	9.6%
Sales & office	13.7%
Natural resources & construction	7.7%
Production & transportation	3.2%

Employment type

Type	%
Private sector	67.8%
Government	28.5%
Self-employed	3.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.7%
Carpool	2.8%
Public transit	1.4%
Walk	0.5%
Other means	2.4%
Avg commute (minutes)	34.5

Poverty

All people 1.0%

Under 18 years 1.0%

18 and over 1.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	39.0%
Retirement income	30.7%
Supplemental Security	4.0%
Cash public assistance	2.0%
Food stamps / SNAP	6.5%

Health indicators

Condition	%
High blood pressure	31.3%
High cholesterol	34.2%
Heart disease	5.1%
Stroke	2.1%
Asthma	8.5%
Arthritis	23.4%
Kidney disease	2.3%
Pulmonary disease	4.6%
Cancer	6.9%

Behavior / access	%
Binge drinking	16.9%
No physical activity	15.8%
Less than 7 hrs sleep	30.4%
Fair or poor health	8.4%
Poor mental health	12.1%
Poor physical health	7.4%
No health insurance	6.7%
Visited doctor (checkup)	75.9%
Visited dentist	76.0%
Cholesterol screening	94.2%
Teeth loss	5.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	259	8.3%

Disability	%
Any disability	8.0%
Under 18	6.5%
18–64 years	6.3%
65 and over	13.6%

Health insurance coverage

Type	%
Private insurance	89.1%
Public insurance	30.2%
Uninsured under 19	4.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,005	94.1%
Spanish	53	1.3%
Other Indo-European	26	0.6%
Asian & Pacific Islander	27	0.7%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,064	95.5%
Born in same state	3,978	93.5%
Born in different state	2,197	51.6%
Foreign born	86	2.0%
Naturalized citizen	191	4.5%
Not a US citizen	156	81.7%

Ancestry

Ancestry	Count	%
French	641	15.1%
Italian	600	14.1%
Arab	357	8.4%
Polish	36	0.8%

Ancestry	Count	%
Dutch	33	0.8%
Irish	31	0.7%
English	10	0.2%
Norwegian	9	0.2%

Technology access

Metric	% of households
Computer access	34.5%
Internet access	98.0%

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

Frequently asked questions

What ZIP codes does Riva, MD have?

Riva, MD has one ZIP code: 21140. Each ZIP code serves a distinct delivery area within the city and surrounding region.