ZipCodeLook
21912

Zip code 21912: Warwick, Maryland

Residential delivery areaCecil CountyEastern Time
Population
1,536
Median household income
$70K
U.S. $81K
Median home value
$392K
U.S. $333K
Median rent
$817/mo
U.S. $1,413
Median age
58.2
U.S. 38.9
Land area
34 sq mi
45 people/sq mi

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

About 21912

21912 is a rural zip code in Warwick, Maryland (Cecil County), covering 34 sq mi of land. About 1,536 people live here, or 45 per square mile. The median resident is 58.2 years old, compared with 38.9 nationally.

The median household earns $69,868 a year, 13% below the national median of $80,734. 3.5% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $391,700, or 5.6 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 87% of occupied homes are lived in by their owners, and renters pay a median of $817 a month.

25% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 30.8 minutes each way, and 16% of workers work from home. The most common jobs among working residents are in production and manufacturing; legal and social services; and cleaning and personal care. 18% of them are self-employed (U.S.: 10%).

How 21912 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
58.2
Under 18
16.1%
65 and over
33.3%

Race and ethnicity

  • White98%
  • Black0%
  • Hispanic1%
  • Asian0%
  • Native American0%
  • Pacific Islander0%
  • Other0%
  • Multiracial0.7%
Diversity index
3.6
U.S. 61.4
Foreign-born
1.2%
U.S. 14.1%
Born in state
16%

Language spoken at home (households)

English only
84%
Spanish
3%
Other Indo-European
13%
Asian / Pacific
0%
Other
0%

Households

Households
696
Average household size
2.2
Family households
64.2%
Married couples
57.2%
Living alone
25.1%
Veterans (of adults)
8.1%
Male / female
43% / 57%

Income and poverty

Household income distribution

<$25k
12%
$25–50k
27%
$50–75k
13%
$75–100k
14%
$100–150k
5%
$150–200k
9%
$200k+
20%

Median household income

21912
$69,868
Cecil Co.
$92,007
Maryland
$103,678
United States
$80,734
Per capita income
$65,613
U.S. $44,673
Poverty rate
3.5%
U.S. 12.5%
Households earning $150K+
29.2%
U.S. 23%
Income inequality (Gini)
0.552
U.S. 0.483

Housing

Median home value

21912
$391,700
Cecil Co.
$343,400
Maryland
$419,900
United States
$332,700

Median gross rent

21912
$817
Cecil Co.
$1,377
Maryland
$1,705
United States
$1,413

Types of housing

Single-family
96%
2–4 units
0%
5–19 units
0%
20+ units
2%
Mobile home
2%
Boat, RV, van
0%
Housing units
704
Owner-occupied
87.1%
Vacant
1.1%
Median year built
1989
Median rooms
7.4
Renters paying 30%+ of income
0%
Renters paying 50%+ of income
0%
Home value to income
5.6× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
81%
Carpooled
0%
Transit
0%
Walked
3%
Bicycle
0%
Worked from home
16%
Other
0%

Commute time (one way)

<10 min
12%
10–19
13%
20–29
20%
30–44
13%
45–59
31%
60+
10%
Average commute
30.8 min
U.S. 26.4 min
Unemployment
2%
U.S. 5.2%
In labor force
45.8%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Production
17%
Legal and social services
16%
Cleaning and personal care
12%
Management
11%
Business and finance
9%
Computer and math
6%
Office and admin
6%
Transportation and moving
4%
Healthcare
4%
Construction and repair
4%
Education
4%
Police and fire
2%
Engineering and science
2%
Arts, media and sports
0%
Food service
0%
Sales
0%
Farming, fishing and forestry
0%

Industries

Professional and technical services
28%
Agriculture and mining
19%
Manufacturing
13%
Health care and social assistance
9%
Other services
7%
Transportation, warehousing and utilities
6%
Construction
4%
Finance, insurance and real estate
4%
Wholesale
3%
Public administration
2%
Retail
2%
Education
2%
Restaurants and hotels
0%
Admin, support and management
0%
Information
0%
Arts and recreation
0%
Median earnings per worker
$104,158
U.S. $49,666
Self-employed
18%
U.S. 10%
Government workers
2.4%
U.S. 14.5%
Nonprofit workers
4.3%
U.S. 8.8%

Median earnings by type of work

Type of work21912U.S.
Management, business, science and arts$109,479$74,888
Service$31,157$26,804
Sales and office$56,083$40,476
Construction and maintenance—$49,199
Production and transportation$175,492$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
1%
High school
34%
Some college
29%
Associate's
11%
Bachelor's
12%
Graduate
14%
High school graduate or higher
99%
Bachelor's degree or higher
25.3%
Graduate or professional degree
13.6%
Households with broadband
67.7%
Cable, fiber or DSL
25.9%
No internet access
30.6%
Without health insurance
4.3%
Limited-English households
0%

Geography

City (USPS)
Warwick
Center point
39.4194° N, 75.8186° W
Land area
34 sq mi
Water area
1.8 sq mi
Time zone
Eastern Time (UTC-5, UTC-4 in summer)
Zip type
Residential delivery area

Zip codes near 21912

ZipCityDistanceIncome
21913Cecilton2.8 mi$87,813
21930Georgetown5 mi—
21915Chesapeake City5.5 mi$95,875
21635Galena6 mi$101,618
21919Earleville6.1 mi$106,500
21650Massey7.5 mi—
19730Odessa8.8 mi$112,083
19709Middletown9.1 mi$132,956
19734Townsend9.2 mi$127,803
21645Kennedyville10 mi$86,118
21651Millington12 mi$74,063
19708Kirkwood · PO box13 mi—

Zip codes like 21912 elsewhere

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

Questions about 21912

What city is zip code 21912?

21912 is assigned to Warwick, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21912 in?

21912 is in Cecil County, Maryland.

What is the population of 21912?

About 1,536 people live in 21912, according to the Census Bureau's American Community Survey.

What time zone is 21912 in?

21912 is in Eastern Time.

What is the median household income in 21912?

The median household income in 21912 is $69,868.

What zip codes are near 21912?

The closest zip codes to 21912 are 21913, 21930, 21915, 21635, 21919.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21912, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.