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ZIP Code 21817, Maryland

ZIP Code 21817 profile, demographic data, and geographic information.

ZCTA5 21817 is a 5-digit ZIP Code area located in Somerset County, Maryland. As of official census estimates, it has a reported population of 4,417. The land area covers 14.46 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 4,417 ±354 2020-2024 / Census ACS 5-Year 2024
Median Age 42.1 yrs ±7.8 2020-2024 / Census ACS 5-Year 2024
Total Households 1,925 ±214 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 2,554 ±227
Occupied Housing Units 1,925 ±214
Vacant Housing Units 629 ±156
Median Home Value $161,000 ±$14,613
Median Gross Rent $766 ±$150
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $55,720 ±$6,403
Per Capita Income $33,667 ±$3,603
Poverty Rate 15.4% ±6.3%
Population Below Poverty Level 668 ±279
Unemployment Rate 8.2% ±7.7%
Civilian Labor Force, Employed 1,858 ±306
Broadband Internet Rate 82.9% ±6%
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: 25,241 (2024)
ID: 166368
County Official County Government
Contact: COUNTY ADMINISTRATOR
11916 SOMERSET AVE, PRINCESS ANNE MD 21853

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-05 Crisfield, MD
Regular School Nearby 08-12 Crisfield, MD
Regular School Nearby PK-05 Deal Island, MD
Regular School Nearby 02-05 Princess Anne, MD
Regular School Nearby PK-05 Mappsville, VA
Regular School Nearby PK-05 Parksley, VA
Regular School Nearby 04-08 Pocomoke City, MD
Regular School Nearby 06-07 Westover, MD
Career and Technical School Nearby 09-12 Westover, MD
Regular School Nearby PK-12 Tangier, VA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 7 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
University of Maryland Eastern Shore
College 17.6 mi away J.T. Williams Hall, Princess Anne, MD, 21853-1299
4106512200
CRISFIELD BRANCH
Library 1.0 mi away 100 COLLINS STREET, CRISFIELD, MD, 21817
(410) 968-0955
Eastern Shore Community College
College 24.0 mi away 29316 Lankford Hwy, Melfa, VA, 23410
7577891789
EWELL LIBRARY
Library 10.7 mi away 20910 CALEB JONES RD., EWELL, MD, 21824
(410) 425-2181
POCOMOKE BRANCH
Library 16.0 mi away 301 MARKET ST., POCOMOKE CITY, MD, 21851
(410) 957-0878
EASTERN SHORE PUBLIC LIBRARY
Library 17.0 mi away 24313 BENNETT STREET, PARKSLEY, VA, 23421
(757) 787-3400
SOMERSET COUNTY LIBRARY
Library 17.3 mi away 11767 BEECHWOOD ST., PRINCESS ANNE, MD, 21853
(410) 651-0852
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 WALLOPS ISLAND FLIGHT FAC, VA US, located 20.5 miles from ZCTA5 21817. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 46.2° 29.5° 37.9° 3.15" 3.5"
February 48.5° 31.1° 39.8° 2.81" 2.3"
March 54.5° 37.0° 45.8° 3.91" 0.7"
April 64.3° 45.9° 55.1° 3.12" 0.2"
May 72.7° 55.5° 64.1° 3.20" 0.0"
June 81.3° 65.1° 73.2° 3.39" 0.0"
July 86.1° 70.4° 78.2° 4.37" 0.0"
August 84.2° 68.7° 76.5° 4.32" 0.0"
September 78.7° 63.0° 70.8° 4.33" 0.0"
October 69.1° 51.4° 60.2° 4.02" 0.0"
November 58.8° 40.7° 49.7° 2.88" 0.0"
December 50.5° 33.5° 42.0° 3.75" 1.7"
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
Crisfield city City 1.2 mi —
Frenchtown-Rumbly CDP CDP 6.5 mi —
Saxis town Town 7.2 mi —
Fairmount CDP CDP 8.9 mi —
Sanford CDP CDP 9.7 mi —
Smith Island CDP CDP 10.5 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 21817. • 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.