Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — STATE/MD/COUNTY/CECIL

Cecil County, MD ZIP codes

There are 17 ZIP codes in Cecil County, MD, in 16 towns, from 21901 to 21930. The largest are 21921 (Elkton), 21901 (North East) and 21911 (Rising Sun).

The county seat is Elkton.

ZIP codes
17
Towns
16
County seat
Elkton
County FIPS
24015
Population
104,960
Median household income
$92,007
Land area
346 sq mi
Area codes
410, 667

Cecil County ZIP codes by town

Elkton (county seat)
21921, 21922

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Cecil County ZIP codes

The ZIP codes of Cecil County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Cecil County in numbers

About 104,960 people live in Cecil County, in 40,595 households, the 13th most populous of Maryland's 24 counties. The median household income is $92,007 a year, 11% below the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $343,400 (18% below the Maryland median), and median gross rent is $1,377 a month. The median age is 40.6; 28.0% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 29 minutes.

Population104,960Cecil104,960
Households40,595Cecil40,595
Median age40.6Cecil40.6Maryland39.4US 38.9
Median household income$92,007Cecil$92,007Maryland$103,678US $80,734
Median home value$343,400Cecil$343,400Maryland$419,900US $332,700
Median gross rent$1,377Cecil$1,377Maryland$1,705US $1,413
Bachelor's degree or higher28.0%Cecil28.0%Maryland43.4%US 35.7%
Mean commute28.5 minCecil28.5 minMaryland31.1 minUS 26.4 min
Population density303 / sq miCecil303 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Cecil County

Largest towns in Cecil County
TownZIP codesPopulation
Elkton 2 15,910
Perryville 1 4,447
Conowingo 1 4,169
North East 1 4,134
Earleville 1 3,626
Rising Sun 1 2,764
Colora 1 2,233
Charlestown 1 1,999
Warwick 1 1,536
Elk Mills 1 1,413
Cecilton 1 820
Chesapeake City 1 810
Port Deposit 1 491
Perry Point 1 340
Georgetown 1 8

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Cecil County.

Not sure you are in Cecil County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Cecil County, with figures

ZIP codes in Cecil County
ZIP City Type Population Median income Median home
21901 North East , MD Standard 19,514 $113,719 $367,400
21902 Perry Point , MD Standard 340 — —
21903 Perryville , MD Standard 5,692 $78,962 $299,300
21904 Port Deposit , MD Standard 6,233 $88,136 $333,500
21911 Rising Sun , MD Standard 10,551 $104,673 $359,000
21912 Warwick , MD Standard 1,536 $69,868 $391,700
21913 Cecilton , MD Standard 820 $87,813 $241,800
21914 Charlestown , MD Standard 810 $66,806 $288,500
21915 Chesapeake City , MD Standard 2,471 $95,875 $376,500
21916 Childs , MD No street area — — —
21917 Colora , MD Standard 2,233 $96,750 $409,400
21918 Conowingo , MD Standard 4,169 $84,587 $324,800
21919 Earleville , MD Standard 3,626 $106,500 $373,200
21920 Elk Mills , MD Standard 1,413 $124,146 $356,000
21921 Elkton , MD Standard 45,527 $85,775 $330,400
21922 Elkton , MD No street area — — —
21930 Georgetown , MD Standard 25 — —

Cite this page

zipcodes.pro. “Cecil County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/md/county/cecil

Underlying data is public domain or openly licensed — sources, vintages and licences.