ZIP Code 21645, Maryland
ZIP Code 21645 profile, demographic data, and geographic information.
ZCTA5 21645 is a 5-digit ZIP Code area located in Kent County, Maryland. As of official census estimates, it has a reported population of 959. The land area covers 41.84 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 959 | ±247 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 59.2 yrs | ±3 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 479 | ±126 | 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 | 676 | ±153 |
| Occupied Housing Units | 479 | ±126 |
| Vacant Housing Units | 197 | ±102 |
| Median Home Value | $297,900 | ±$240,074 |
| Median Gross Rent | $1,172 | ±$165 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $86,118 | ±$75,433 |
| Per Capita Income | $68,869 | ±$21,834 |
| Poverty Rate | 17.3% | ±13.8% |
| Population Below Poverty Level | 166 | ±139 |
| Unemployment Rate | 6.1% | ±7.9% |
| Civilian Labor Force, Employed | 521 | ±170 |
| Broadband Internet Rate | 69.1% | ±15.4% |
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: 19,557 (2024)
ID: 208242
|
County | Official County Government |
Contact: JAMIE WILLIAMS
400 HIGH ST, 3RD FL, CHESTERTOWN MD 21620
|
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 | 09-12 | Middletown, DE | |
| Special Education School Nearby | PK | Middletown, DE | |
| Regular School Nearby | PK-05 | Aberdeen, MD | |
| Regular School Nearby | 09-12 | Chesapeake City, MD | |
| Regular School Nearby | 06-08 | Chesapeake City, MD | |
| Regular School Nearby | PK-KG | Middletown, DE | |
| Regular School Nearby | 01-05 | Middletown, DE | |
| Regular School Nearby | 01-05 | Middletown, DE |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
Washington College
|
College | 9.1 mi away | 300 Washington Ave, Chestertown, MD, 21620-1438 |
4107787700
|
|
NORTH COUNTY BRANCH AT GALENA
|
Library | 4.5 mi away | 119 NORTH MAIN STREET, GALENA, MD, 21635 |
(410) 648-5380
|
|
All In The Wrist Barber Academy
|
College Vocational | 18.8 mi away | 202 North Dupont Blvd., Smyrna, DE, 19977-1511 |
3026591027
|
|
CECILTON BRANCH
|
Library | 7.8 mi away | 215 E. MAIN ST., CECILTON, MD, 21913 |
(410) 275-1091
|
|
Cecil College
|
College | 22.5 mi away | One Seahawk Drive, North East, MD, 21901-1900 |
4102871000
|
|
CHESTERTOWN BRANCH
|
Library | 9.5 mi away | 408 HIGH ST., CHESTERTOWN, MD, 21620 |
(410) 778-3636
|
|
Delaware Technical Community College-Terry
|
College | 22.7 mi away | 100 Campus Drive, Dover, DE, 19901 |
3028571000
|
|
CHESAPEAKE CITY BRANCH
|
Library | 15.9 mi away | 2527 AUGUSTINE HERMAN HIGHWAY, CHESAPEAKE CITY, MD, 21915 |
(410) 996-1134
|
|
Delaware Technical Community College-Central Office
|
College | 22.7 mi away | 1832 North Dupont Highway, Dover, DE, 19901 |
3027393737
|
|
APPOQUINIMINK COMMUNITY LIBRARY
|
Library | 16.0 mi away | 204 EAST MAIN STREET, MIDDLETOWN, DE, 19709 |
(302) 378-5588
|
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 CHESTERTOWN, MD US, located 8.6 miles from ZCTA5 21645. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 40.8° | 27.1° | 34.0° | 3.34" | 5.2" |
| February | 44.2° | 28.1° | 36.2° | 2.89" | 7.9" |
| March | 52.5° | 35.1° | 43.8° | 4.25" | 1.7" |
| April | 64.4° | 45.0° | 54.7° | 3.72" | 0.2" |
| May | 73.6° | 54.9° | 64.2° | 3.88" | 0.0" |
| June | 82.2° | 64.0° | 73.1° | 4.41" | 0.0" |
| July | 86.6° | 68.7° | 77.7° | 4.35" | 0.0" |
| August | 85.0° | 67.2° | 76.1° | 3.56" | 0.0" |
| September | 78.3° | 60.2° | 69.2° | 4.90" | 0.0" |
| October | 66.8° | 48.1° | 57.4° | 3.67" | 0.0" |
| November | 55.5° | 38.1° | 46.8° | 3.18" | 0.0" |
| December | 45.4° | 31.1° | 38.3° | 3.81" | 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 |
|---|---|---|---|
| Kennedyville CDP | CDP | 2.2 mi | — |
| Galena town | Town | 4.6 mi | — |
| Still Pond CDP | CDP | 4.7 mi | — |
| Crumpton CDP | CDP | 6.0 mi | — |
| Millington town | Town | 7.1 mi | — |
| Betterton town | Town | 7.2 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 21645. • Official Source Dataset →
- 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.
- 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.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.