ZIP Code 21738 Map

ZIP Code 21738 Data

ZIP Code21738
ZIP Code NameGlenwood
Primary CountyHoward County
ZIP Code TypeStandard
Population (2021)4,185
Area Code(s)410 / 443 / 667
Current Time
EST

21738 Demographics

Population4,185
Population Growth Rate16.12%
Population Density713 People per Square Mile
Total Households1,024
Percentage High Income Households41.0%
Median Houshold Income (2021)$230,250
Average Adjusted Gross Income (2019)$223,240
Current Unemployment Rate (November 2023)2.8%
Majority Race/EthnictyWhite - 95.53%
Public School Majority Race/EthnictyWhite - 70.05%

21738 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White3,84595.53%
Black832.06%
Hispanic160.4%
Asian812.01%
Native American00%
Hawaiian/Pac. Islander00%

21738 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White77974.12%
Black605.71%
Hispanic696.57%
Asian13913.23%
Native American20.19%
Hawaiian/Pac. Islander20.19%

21738 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College733.41%
Bachelor Degree86940.65%
High School Diploma38918.19%
No High School Diploma150.7%
GED or Alternate361.68%
1 or More Years of College27412.82%
Associates Degree1306.08%
Masters Degree30514.27%
Professional Degree120.56%
Doctorate Degree301.4%

21738 Geography

Coordinates39.27885056,-77.02616882
Adjacent ZIP Codes
RegionMetro Baltimore
Metropolitan/Micropolitan Stat AreaBaltimore-Columbia-Towson, MD
Time ZoneEastern Standard Time
IANA TimezoneAmerica/New_York
Area6 Square Miles

21738 Politics

US Congressional Districts in 21738
Maryland State Senate Districts in 21738
Maryland State House of Delegates Districts in 21738

21738 Schools

21738 Climate Data

Plant Hardiness ZoneZone 7a: 0F to 5F
Average First Frost DateOctober 11 - 20
Average Last Frost DateApril 21 - 31
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion64c - Piedmont Uplands

21738 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)23253241516064635644352743
Avg Max Temp (°F)40445465748286857867554565
Avg Precip (In.)3.432.984.143.44.623.923.913.544.13.533.563.4244.53