ZIP Code 21071 - Glyndon Maryland
Overview
ZIP Code 21071 is located in Glyndon Maryland. 21071 is entirely within Baltimore County. Regionally, 21071 is located in Metro Baltimore.
ZIP Code 21071 Quick Stats
| ZIP Code Name | Glyndon |
| Primary County | Baltimore County |
| ZIP Code Type | PO Box |
| Population (2022) | 526 |
| Area Code(s) | 410 / 443 / 667 |
| Current Time | EDT |
ZIP Code 21071 Map
21071 Demographics
The majority race/ethnicity residing in 21071 is White. The current unemployment level in 21071 is 4.4%.
| Population | 526 |
| Population Growth Rate | 0% |
| Population Density | 3,792 People per Square Mile |
| Total Households | 155 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | White - 97.07% |
21071 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 397 | 97.07% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 12 | 2.93% |
| Hawaiian/Pac. Islander | 0 | 0% |
21071 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 52 | 23.53% |
| Bachelor Degree | 23 | 10.41% |
| High School Diploma | 37 | 16.74% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 0 | 0% |
| 1 or More Years of College | 36 | 16.29% |
| Associates Degree | 14 | 6.33% |
| Masters Degree | 29 | 13.12% |
| Professional Degree | 15 | 6.79% |
| Doctorate Degree | 15 | 6.79% |
21071 Geography
| Coordinates | 39.47385406, -76.8142395 |
| Adjacent ZIP Codes | |
| Region | Metro Baltimore |
| Metropolitan/Micropolitan Stat Area | Baltimore-Columbia-Towson, MD |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 0.13870826 Square Miles |
21071 Schools
| School Districts in 21071 | |
| Elementary Schools in 21071 | |
| Middle Schools in 21071 | |
| High Schools in 21071 |
21071 Weather and Climate Data
| Plant Hardiness Zone | Zone 7a: 0F to 5F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 64c - Piedmont Uplands | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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