ZIP Code 20678 - Prince Frederick Maryland

20678 Overview

ZIP Code 20678 is located in Prince Frederick Maryland. Portions of 20678 are also in Barstow. 20678 is entirely within Calvert County. Regionally, 20678 is located in Metro DC.

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ZIP Code 20678 Quick Stats

ZIP Code NamePrince Frederick
Primary CountyCalvert County
ZIP Code TypeStandard
Population (2022)12,874
Area Code(s)240 / 301 / 410 / 443 / 667
Current Time
EST

ZIP Code 20678 Map

20678 Demographics

20678 can be classified socioeconomically as 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 20678 is White. The majority race/ethnicity attending public schools in 20678 is White. The current unemployment level in 20678 is 2.8%.

Population12,874
Population Growth Rate-1.83%
Population Density257 People per Square Mile
Total Households3,968
Percentage High Income Households6.1%
Median Household Income (2021)$109,474
Average Adjusted Gross Income (2021)$343,460
Current Unemployment Rate (November 2024)2.8%
Majority Race/EthnictyWhite - 73.07%
Public School Majority Race/EthnictyWhite - 61.69%

20678 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White9,03973.07%
Black2,14917.37%
Hispanic6745.45%
Asian4663.77%
Native American420.34%
Hawaiian/Pac. Islander00%

20678 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White1,77868.07%
Black57522.01%
Hispanic2047.81%
Asian411.57%
Native American110.42%
Hawaiian/Pac. Islander30.11%

20678 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College6108.98%
Bachelor Degree1,02915.14%
High School Diploma2,71139.9%
No High School Diploma1782.62%
GED or Alternate2884.24%
1 or More Years of College99614.66%
Associates Degree3695.43%
Masters Degree4646.83%
Professional Degree741.09%
Doctorate Degree761.12%

20678 Geography

Coordinates38.52019882,-76.60271454
Adjacent ZIP Codes
Cities/Towns in 20678
RegionMetro DC
Metropolitan/Micropolitan Stat AreaWashington-Arlington-Alexandria, DC-VA-MD-WV
Time ZoneEastern Standard Time
IANA TimezoneAmerica/New_York
Area50 Square Miles

20678 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

20678 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)26283543536266645946373046
Avg Max Temp (°F)45485667758387857968584967
Avg Precip (In.)3.763.084.253.334.263.94.263.914.163.563.393.3445.2

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