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ZIP code

21912

Warwick, MD

STANDARD

21912 covers Warwick in Cecil County, with 1,430 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

1,430

Median household income

$65,074

Median home value

$385,600

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 21912. Methodology

ZIP code map of 21912

Census ZCTA boundary for ZIP 21912 in Warwick, Maryland
Census ZCTA boundary for ZIP 21912 in Warwick, Maryland. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
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About ZIP code 21912

Type

STANDARD

Also listed in

Delaware

Timezone

America/New_York

Area codes

302, 410, 443, 667

Land area

33.9 sq mi

Water area

1.75 sq mi

Households

677

More enterprise fields

Timezone
America/New_York
Area Codes
302, 410, 443, 667
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 21912. Not ACS. Methodology

People in 21912

Race

  • White1,028
  • Black or African American52
  • American Indian or Alaska Native6
  • Asian9
  • Other race104
  • Two or more races113

Hispanic or Latino (any race): 214

Age

  • Under 10140
  • 10 to 19210
  • 20 to 29126
  • 30 to 39131
  • 40 to 49166
  • 50 to 59205
  • 60 to 69193
  • 70 to 7989
  • 80 and older52

Income and housing in 21912

Poverty rate

3.6%

Median earnings

$90,000

Median household income

$65,074

Median home value

$385,600

Education

  • High school graduate98.1%
  • Bachelor's degree24.0%
  • Graduate degree15.0%

Places covering 21912

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

97.4% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 21912

IRS populationACS population
1,642821020052023

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
YearACS populationIRS population
20051,090
20061,025
20071,088
20081,053
20091,072
20101,062
20111,4281,144
20121,1001,080
20131,0621,130
20141,4061,110
20151,2031,110
20161,0781,070
20171,1101,100
20181,1521,100
20191,1391,030
20201,5201,040
20211,3931,050
20221,4951,040
20231,430

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 21912

12 nearest ZIP centroids (any distance)

  1. 21913Cecilton2.8 miPop 863 · Income $95,795
  2. 21930Georgetown5.0 miPop 30 · Income —
  3. 21915Chesapeake City5.5 miPop 2,471 · Income $97,794
  4. 21635Galena6.0 miPop 2,200 · Income $97,194
  5. 21919Earleville6.1 miPop 3,644 · Income $115,152
  6. 21650Massey7.5 miPop 98 · Income —
  7. 19730Odessa8.8 miPop 506 · Income $81,927
  8. 19709Middletown9.1 miPop 50,542 · Income $129,971
  9. 19734Townsend9.2 miPop 14,151 · Income $131,745
  10. 21645Kennedyville10.3 miPop 872 · Income —
  11. 21651Millington11.5 miPop 2,448 · Income $71,983
  12. 19938Clayton13.0 miPop 9,867 · Income $96,338

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 21912, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

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21912 Warwick, MD

Looking up ZIP codes within 2 miles of 21912 Warwick, MD, measured by centroid distance.

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ACS population

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Households

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Avg median income

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Avg median home

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ZIP code 21912 FAQ

What city is ZIP code 21912 in?
21912 is in Warwick, MD.
What county is 21912 in?
21912 is in Cecil County.
What is the median household income in 21912?
The median household income in 21912 is $65,074.
Does ZIP code 21912 cross state lines?
Yes. 21912 is listed in MD, DE. This page is the canonical listing for Warwick, MD.
Which ZIP codes are near 21912?
Use the radius tool on this page to list ZIP codes within a chosen distance of 21912.