Zip code 21921: Elkton, Maryland
Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.
About 21921
21921 is a small-town zip code in Elkton, Maryland (Cecil County), covering 95 sq mi of land. About 45,527 people live here, or 481 per square mile. The median resident is 39.4 years old, compared with 38.9 nationally.
The median household earns $85,775 a year, close to the national median of $80,734. 13.6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $330,400, or 3.9 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 70% of occupied homes are lived in by their owners, and renters pay a median of $1,421 a month.
29% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 26.9 minutes each way, and 11% of workers work from home. The most common jobs among working residents are in office and administrative support; management; and transportation and moving goods.
How 21921 compares
- Government workers18.8%80thU.S. 14.5% · MD 22.5%288th of 444 in MD
- 79thU.S. 51.1% · MD 51.5%109th of 404 in MD
- Veterans8.1%78thU.S. 6.2% · MD 6.8%162nd of 446 in MD
- Tech workers4.7%76thU.S. 3.8% · MD 6.4%226th of 444 in MD
- Population45,52775thU.S. 334,922,499 · MD 6,206,01128th of 446 in MD
- Median earnings per worker$54,64067thU.S. $49,666 · MD $61,200271st of 443 in MD
- Poverty rate13.6%64thU.S. 12.5% · MD 9.4%86th of 441 in MD
- Median household income$85,77557thU.S. $80,734 · MD $103,678288th of 414 in MD
- Residents under 1822.9%57thU.S. 22% · MD 22.2%166th of 446 in MD
- Average commute26.9 min55thU.S. 26.4 min · MD 31.1 min331st of 421 in MD
- Median age39.453rdU.S. 38.9 · MD 39.4287th of 446 in MD
- Homeownership rate69.8%53rdU.S. 65.2% · MD 67.6%304th of 441 in MD
- 52ndU.S. 17.2% · MD 16.7%262nd of 446 in MD
- Median gross rent$1,42151stU.S. $1,413 · MD $1,705219th of 338 in MD
- Per capita income$40,24950thU.S. $44,673 · MD $52,979324th of 446 in MD
- 50thU.S. 0.483 · MD 0.456121st of 438 in MD
- Median home value$330,40049thU.S. $332,700 · MD $419,900303rd of 421 in MD
- Housing vacancy6.3%47thU.S. 10.1% · MD 7.7%193rd of 441 in MD
- 43rdU.S. 35.7% · MD 43.4%293rd of 445 in MD
- 43rdU.S. 5.2% · MD 4.9%183rd of 444 in MD
- Work from home11.3%42ndU.S. 15.1% · MD 19.3%318th of 444 in MD
- Broadband access90.8%40thU.S. 91% · MD 92.4%279th of 441 in MD
- Diversity index41.939thU.S. 61.4 · MD 67.7225th of 446 in MD
- Population density481/sq mi32ndU.S. 95/sq mi · MD 639/sq mi216th of 446 in MD
- 32ndU.S. 14.1% · MD 16.6%244th of 446 in MD
- Uninsured rate4.3%25thU.S. 8.4% · MD 6.3%189th of 444 in MD
- 20thU.S. 9.7% · MD 9%254th of 444 in MD
- 10thU.S. 10% · MD 8.7%343rd of 444 in MD
| Measure | 21921 | Cecil | MD | U.S. | National percentile | Rank in MD |
|---|---|---|---|---|---|---|
| Government workers | 18.8% | 20.3% | 22.5% | 14.5% | 288th of 444 | |
| Rent-burdened renters | 58.7% | 49.6% | 51.5% | 51.1% | 109th of 404 | |
| Veterans | 8.1% | 8.4% | 6.8% | 6.2% | 162nd of 446 | |
| Tech workers | 4.7% | 4.8% | 6.4% | 3.8% | 226th of 444 | |
| Population | 45,527 | 104,960 | 6,206,011 | 334,922,499 | 28th of 446 | |
| Median earnings per worker | $54,640 | $60,752 | $61,200 | $49,666 | 271st of 443 | |
| Poverty rate | 13.6% | 10.8% | 9.4% | 12.5% | 86th of 441 | |
| Median household income | $85,775 | $92,007 | $103,678 | $80,734 | 288th of 414 | |
| Residents under 18 | 22.9% | 22.2% | 22.2% | 22% | 166th of 446 | |
| Average commute | 26.9 min | 28.5 min | 31.1 min | 26.4 min | 331st of 421 | |
| Median age | 39.4 | 40.6 | 39.4 | 38.9 | 287th of 446 | |
| Homeownership rate | 69.8% | 75.3% | 67.6% | 65.2% | 304th of 441 | |
| Residents 65 and older | 16.8% | 17.1% | 16.7% | 17.2% | 262nd of 446 | |
| Median gross rent | $1,421 | $1,377 | $1,705 | $1,413 | 219th of 338 | |
| Per capita income | $40,249 | $43,250 | $52,979 | $44,673 | 324th of 446 | |
| Income inequality (Gini) | 0.435 | 0.418 | 0.456 | 0.483 | 121st of 438 | |
| Median home value | $330,400 | $343,400 | $419,900 | $332,700 | 303rd of 421 | |
| Housing vacancy | 6.3% | 8.5% | 7.7% | 10.1% | 193rd of 441 | |
| Bachelor's degree or higher | 28.8% | 28% | 43.4% | 35.7% | 293rd of 445 | |
| Unemployment rate | 4.5% | 5.5% | 4.9% | 5.2% | 183rd of 444 | |
| Work from home | 11.3% | 12.4% | 19.3% | 15.1% | 318th of 444 | |
| Broadband access | 90.8% | 91.3% | 92.4% | 91% | 279th of 441 | |
| Diversity index | 41.9 | 34.3 | 67.7 | 61.4 | 225th of 446 | |
| Population density | 481/sq mi | 303/sq mi | 639/sq mi | 95/sq mi | 216th of 446 | |
| Foreign-born residents | 5.5% | 3.9% | 16.6% | 14.1% | 244th of 446 | |
| Uninsured rate | 4.3% | 3.6% | 6.3% | 8.4% | 189th of 444 | |
| Healthcare workers | 7.4% | 8.1% | 9% | 9.7% | 254th of 444 | |
| Self-employed workers | 6% | 8% | 8.7% | 10% | 343rd of 444 |
The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.
People
Age
Race and ethnicity
- White75%
- Black10%
- Hispanic7%
- Asian1%
- Native American0.1%
- Pacific Islander0.1%
- Other1%
- Multiracial6%
Language spoken at home (households)
Households
- Households
- 17,316
- Average household size
- 2.6
- Family households
- 71.1%
- Married couples
- 50.2%
- Living alone
- 22.2%
- Veterans (of adults)
- 8.1%
- Male / female
- 49% / 51%
Income and poverty
Household income distribution
Median household income
Housing
Median home value
Median gross rent
Types of housing
- Housing units
- 18,475
- Owner-occupied
- 69.8%
- Vacant
- 6.3%
- Median year built
- 1986
- Median rooms
- 6.3
- Renters paying 30%+ of income
- 58.7%
- Renters paying 50%+ of income
- 29.1%
- Home value to income
- 3.9× (U.S. 4.1×)
Work and commute
How people get to work
Commute time (one way)
Jobs and careers
Occupations
Industries
Median earnings by type of work
| Type of work | 21921 | U.S. |
|---|---|---|
| Management, business, science and arts | $77,542 | $74,888 |
| Service | $26,934 | $26,804 |
| Sales and office | $42,079 | $40,476 |
| Construction and maintenance | $67,919 | $49,199 |
| Production and transportation | $45,266 | $39,989 |
Education, internet and health coverage
Highest education (adults 25+)
- High school graduate or higher
- 92.1%
- Bachelor's degree or higher
- 28.8%
- Graduate or professional degree
- 10%
- Households with broadband
- 90.8%
- Cable, fiber or DSL
- 75.5%
- No internet access
- 6.5%
- Without health insurance
- 4.3%
- Limited-English households
- 1.7%
Geography
- City (USPS)
- Elkton
- State
- Maryland
- County
- Cecil County
- Center point
- 39.6272° N, 75.8599° W
- Land area
- 95 sq mi
- Water area
- 5.5 sq mi
- Time zone
- Eastern Time (UTC-5, UTC-4 in summer)
- Zip type
- Residential delivery area
Cities and towns within this zip
- Elkton9% of zip
Census places overlapping the zip's area. Mail may use a different city name than the municipality.
Zip codes near 21921
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 21916 | Childs, MD · PO box | 1.5 mi | — |
| 21922 | Elkton, MD · PO box | 2 mi | — |
| 21920 | Elk Mills, MD | 2.2 mi | $124,146 |
| 21901 | North East, MD | 6.5 mi | $113,719 |
| 19351 | Lewisville, PA · PO box | 6.6 mi | — |
| 19716 | Newark, DE | 6.7 mi | — |
| 19717 | Newark, DE | 6.8 mi | — |
| 19702 | Newark, DE | 7 mi | $92,446 |
| 21914 | Charlestown, MD | 7.5 mi | $66,806 |
| 19360 | New London, PA · PO box | 7.9 mi | — |
| 19713 | Newark, DE | 8.5 mi | $76,493 |
| 19347 | Kemblesville, PA · PO box | 8.6 mi | — |
Zip codes like 21921 elsewhere
Questions about 21921
What city is zip code 21921?
21921 is assigned to Elkton, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 21921 in?
21921 is in Cecil County, Maryland.
What is the population of 21921?
About 45,527 people live in 21921, according to the Census Bureau's American Community Survey.
What time zone is 21921 in?
21921 is in Eastern Time.
What is the median household income in 21921?
The median household income in 21921 is $85,775.
What zip codes are near 21921?
The closest zip codes to 21921 are 21916, 21922, 21920, 21901, 19351.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21921, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.