ZIP Code 20689 - Sunderland Maryland

20689 Overview

ZIP Code 20689 is located in Sunderland Maryland. 20689 is entirely within Calvert County. Regionally, 20689 is located in Metro DC.

Stats Demographics Geography Politics Schools Climate Related Pages

ZIP Code 20689 Quick Stats

ZIP Code NameSunderland
Primary CountyCalvert County
ZIP Code TypeStandard
Population (2022)1,884
Area Code(s)410 / 443 / 667
Current Time
EST

ZIP Code 20689 Map

20689 Demographics

20689 can be classified socioeconomically as Upper Middle Class class compared to other ZIP Codes in Maryland based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 20689 is White. The majority race/ethnicity attending public schools in 20689 is White. The current unemployment level in 20689 is 3.1%.

Population1,884
Population Growth Rate8.17%
Population Density337 People per Square Mile
Total Households522
Percentage High Income Households17.4%
Median Household Income (2021)$165,066
Average Adjusted Gross Income (2021)$332,850
Current Unemployment Rate (December 2024)3.1%
Majority Race/EthnictyWhite - 65.98%
Public School Majority Race/EthnictyWhite - 71.15%

20689 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White1,43565.98%
Black62828.87%
Hispanic582.67%
Asian542.48%
Native American00%
Hawaiian/Pac. Islander00%

20689 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White44477.89%
Black9216.14%
Hispanic315.44%
Asian30.53%
Native American00%
Hawaiian/Pac. Islander00%

20689 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College10510.4%
Bachelor Degree17417.23%
High School Diploma35134.75%
No High School Diploma302.97%
GED or Alternate353.47%
1 or More Years of College18117.92%
Associates Degree525.15%
Masters Degree828.12%
Professional Degree00%
Doctorate Degree00%

20689 Geography

Coordinates38.66384888,-76.58513641
Adjacent ZIP Codes
RegionMetro DC
Metropolitan/Micropolitan Stat AreaWashington-Arlington-Alexandria, DC-VA-MD-WV
Time ZoneEastern Standard Time
IANA TimezoneAmerica/New_York
Area6 Square Miles

20689 Schools

School Districts in 20689
Elementary Schools in 20689
Middle Schools in 20689
High Schools in 20689

20689 Weather and Climate Data

Plant Hardiness ZoneZone 7b: 5F to 10F
Average First Frost DateOctober 21 - 31
Average Last Frost DateApril 11 - 20
Koppen-Geiger Climate ZoneCfa - Humid Subtropical Climate
Ecoregion65n - Chesapeake Rolling Coastal Plain

20689 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)25273442526166645846372945
Avg Max Temp (°F)44485767768387857969584867
Avg Precip (In.)3.622.823.963.224.283.744.153.794.063.43.413.2843.74

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