| ZIP Code | 21012 |
| ZIP Code Name | Arnold |
| Primary County | Anne Arundel County |
| ZIP Code Type | Standard |
| Population (2021) | 23,536 |
| Area Code(s) | 410 / 443 / 667 |
| Current Time | EDT |
21012 is a United States ZIP Code located in Arnold Maryland. Portions of 21012 are also in Severna Park and Cape St. Claire and Parole. 21012 is entirely within Anne Arundel County. 21012 is within Metro Baltimore.
21012 can be classified socioeconically as a Middle Class class zipcode in comparison to other zipcodes in Maryland based on Median Household Income and Average Adjusted Gross Income. Measuring level of educational attainment the majority of adults in 21012 have at least a Bachelor Degree. The majority race/ethnicity residing in 21012 is White. The majority race/ethnicity attending public schools in 21012 is White. The current unemployment level in 21012 is 3.0%.
| Population | 23,536 |
| Population Growth Rate | 11.19% |
| Population Density | 1,940 People per Square Mile |
| Total Households | 7,701 |
| Percentage High Income Households | 15.3% |
| Median Houshold Income (2021) | $133,481 |
| Average Adjusted Gross Income (2019) | $123,950 |
| Current Unemployment Rate (June 2023) | 3.0% |
| Majority Race/Ethnicty | White - 82.71% |
| Public School Majority Race/Ethnicty | White - 73.67% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 19,593 | 82.71% |
| Black | 1,211 | 5.11% |
| Hispanic | 2,029 | 8.56% |
| Asian | 824 | 3.48% |
| Native American | 33 | 0.14% |
| Hawaiian/Pac. Islander | 0 | 0% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 2,378 | 79.16% |
| Black | 226 | 7.52% |
| Hispanic | 296 | 9.85% |
| Asian | 95 | 3.16% |
| Native American | 7 | 0.23% |
| Hawaiian/Pac. Islander | 2 | 0.07% |
| Highest Education Level Attained | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 880 | 6.44% |
| Bachelor Degree | 4,154 | 30.39% |
| High School Diploma | 2,134 | 15.61% |
| No High School Diploma | 78 | 0.57% |
| GED or Alternate | 238 | 1.74% |
| 1 or More Years of College | 1,955 | 14.3% |
| Associates Degree | 1,168 | 8.55% |
| Masters Degree | 2,262 | 16.55% |
| Professional Degree | 524 | 3.83% |
| Doctorate Degree | 268 | 1.96% |
| Coordinates | 39.04542160,-76.49778748 |
| Adjacent ZIP Codes | |
| Cities/Towns in 21012 | |
| Region | Metro Baltimore |
| Metropolitan/Micropolitan Stat Area | Baltimore-Columbia-Towson, MD |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 12 Square Miles |
| US Congressional Districts in 21012 | |
| Maryland State Senate Districts in 21012 | |
| Maryland State House of Delegates Districts in 21012 |
| School Districts in 21012 | |
| Elementary Schools in 21012 | |
| Middle Schools in 21012 | |
| High Schools in 21012 |
| Plant Hardiness Zone | Zone 7b: 5F to 10F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Cfa - Humid Subtropical Climate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 65n - Chesapeake Rolling Coastal Plain | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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