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ZIP Code 21911, Maryland

ZIP Code 21911 profile, demographic data, and geographic information.

ZCTA5 21911 is a 5-digit ZIP Code area located in Cecil County, Maryland. As of official census estimates, it has a reported population of 10,551. The land area covers 37.44 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 10,551 ±960 2020-2024 / Census ACS 5-Year 2024
Median Age 41.9 yrs ±3.9 2020-2024 / Census ACS 5-Year 2024
Total Households 3,953 ±361 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 4,159 ±385
Occupied Housing Units 3,953 ±361
Vacant Housing Units 206 ±113
Median Home Value $359,000 ±$26,710
Median Gross Rent $1,218 ±$178
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $104,673 ±$10,724
Per Capita Income $42,200 ±$2,448
Poverty Rate 5.8% ±1.9%
Population Below Poverty Level 602 ±205
Unemployment Rate 5.9% ±2.9%
Civilian Labor Force, Employed 5,081 ±654
Broadband Internet Rate 90.3% ±4%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 106,305 (2024)
ID: 193454
County Official County Government
Contact: COUNTY COUNCIL PRESIDENT
200 CHESAPEAKE BLVD, STE 2110, ELKTON MD 21921-6659

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby 09-12 Aberdeen, MD
Regular School Nearby 06-08 Aberdeen, MD
Regular School Nearby KG-12 West Grove, PA
Regular School Nearby 09-12 West Grove, PA
Regular School Nearby 02-05 West Grove, PA
Regular School Nearby 06-08 West Grove, PA
Regular School Nearby PK-05 Port Deposit, MD
Regular School Nearby PK-05 Aberdeen, MD
Regular School Nearby 01-05 Kennett Square, PA
Regular School Nearby KG-05 Christiana, PA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Cecil College
College 5.4 mi away One Seahawk Drive, North East, MD, 21901-1900
4102871000
RISING SUN BRANCH
Library 1.3 mi away 111 COLONIAL WAY, RISING SUN, MD, 21911
(410) 398-2706
Lincoln University
College 9.6 mi away 1570 Baltimore Pike, Lincoln University, PA, 19352-0999
4843658000
OXFORD PUBLIC LIBRARY
Library 6.8 mi away 48 SOUTH SECOND STREET, OXFORD, PA, 19363
(610) 932-9625
University of Delaware
College 14.9 mi away 104 Hullihen Hall, Newark, DE, 19716
3028312000
NORTH EAST BRANCH
Library 7.6 mi away 485 MAULDIN AVE, NORTH EAST, MD, 21901
(410) 996-6269
Schilling-Douglas School of Hair Design
College Vocational 15.5 mi away 211 Louviers Drive, Newark, DE, 19711
3027375100101
PERRYVILLE BRANCH
Library 8.9 mi away 500 COUDON BOULEVARD, PERRYVILLE, MD, 21903
(410) 996-6070
Hair Academy School of Barbering & Beauty
College Vocational 15.9 mi away 160 Pencader Plaza, Newark, DE, 19713-2305
3027386251
HAVRE DE GRACE BRANCH
Library 10.6 mi away 120 N. UNION AVE., HAVRE DE GRACE, MD, 21078
(410) 939-6700
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at OCTORARO LAKE, PA US, located 7.0 miles from ZCTA5 21911. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 38.6° 22.2° 30.4° 3.46" 5.0"
February 41.6° 23.0° 32.3° 2.86" 7.1"
March 50.5° 30.9° 40.7° 4.24" 2.6"
April 63.1° 39.9° 51.5° 3.79" 0.1"
May 72.3° 50.3° 61.3° 3.56" 0.0"
June 80.4° 59.8° 70.1° 4.45" 0.0"
July 84.6° 64.9° 74.8° 4.53" 0.0"
August 82.8° 63.0° 72.9° 4.72" 0.0"
September 75.9° 55.7° 65.8° 5.17" 0.0"
October 64.7° 43.7° 54.2° 4.14" 0.0"
November 53.0° 33.2° 43.1° 3.37" 0.3"
December 43.1° 26.8° 34.9° 4.13" 3.0"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Rising Sun town Town 1.6 mi —
Nottingham CDP CDP 3.6 mi —
Oxford borough Borough 6.8 mi —
Port Deposit town Town 6.9 mi —
Little Britain CDP CDP 7.1 mi —
North East town Town 7.7 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 21911. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.