ZIP Code 21917 - Colora Maryland
Overview
ZIP Code 21917 is located in Colora Maryland. 21917 is entirely within Cecil County. Regionally, 21917 is located in Metro Baltimore.
ZIP Code 21917 Quick Stats
| ZIP Code Name | Colora |
| Primary County | Cecil County |
| ZIP Code Type | Standard |
| Population (2022) | 1,884 |
| Area Code(s) | 410 / 443 / 667 |
| Current Time | EDT |
ZIP Code 21917 Map
21917 Demographics
21917 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 21917 is White. The current unemployment level in 21917 is 4.4%.
| Population | 1,884 |
| Population Growth Rate | 0% |
| Population Density | 244 People per Square Mile |
| Total Households | 756 |
| Percentage High Income Households | 1.5% |
| Median Household Income (2021) | $95,430 |
| Average Adjusted Gross Income (2021) | $295,840 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | White - 94.83% |
21917 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 1,836 | 94.83% |
| Black | 47 | 2.43% |
| Hispanic | 46 | 2.38% |
| Asian | 0 | 0% |
| Native American | 7 | 0.36% |
| Hawaiian/Pac. Islander | 0 | 0% |
21917 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 203 | 14.34% |
| Bachelor Degree | 275 | 19.42% |
| High School Diploma | 443 | 31.29% |
| No High School Diploma | 6 | 0.42% |
| GED or Alternate | 145 | 10.24% |
| 1 or More Years of College | 155 | 10.95% |
| Associates Degree | 108 | 7.63% |
| Masters Degree | 81 | 5.72% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
21917 Geography
| Coordinates | 39.66885757, -76.09793854 |
| Adjacent ZIP Codes | |
| Region | Metro Baltimore |
| Metropolitan/Micropolitan Stat Area | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 8 Square Miles |
21917 Schools
| School Districts in 21917 | |
| Elementary Schools in 21917 | |
| Middle Schools in 21917 | |
| High Schools in 21917 |
21917 Weather and Climate Data
| Plant Hardiness Zone | Zone 7a: 0F to 5F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 64c - Piedmont Uplands | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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