Zip code 21155: Upperco, Maryland
Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.
About 21155
21155 is a small-town zip code in Upperco, Maryland (Baltimore County), covering 22 sq mi of land. About 3,313 people live here, or 150 per square mile. The median resident is 33.7 years old, compared with 38.9 nationally.
The median household earns $123,158 a year, 53% above the national median of $80,734. 5.2% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $479,500, 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. 82% of occupied homes are lived in by their owners, and renters pay a median of $1,513 a month.
44% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 30.6 minutes each way, and 16% of workers work from home. The most common jobs among working residents are in management; healthcare; and construction and repair.
How 21155 compares
- Healthcare workers15.3%95thU.S. 9.7% · MD 9%28th of 444 in MD
- 88thU.S. 10.1% · MD 7.7%83rd of 441 in MD
- Residents under 1827.4%88thU.S. 22% · MD 22.2%39th of 446 in MD
- Median earnings per worker$70,65187thStrengthU.S. $49,666 · MD $61,200159th of 443 in MD
- Median household income$123,15886thStrengthU.S. $80,734 · MD $103,678153rd of 414 in MD
- Homeownership rate81.9%83rdStrengthU.S. 65.2% · MD 67.6%220th of 441 in MD
- Average commute30.6 min77thU.S. 26.4 min · MD 31.1 min232nd of 421 in MD
- 75thU.S. 17.2% · MD 16.7%155th of 446 in MD
- Median home value$479,50073rdU.S. $332,700 · MD $419,900146th of 421 in MD
- Per capita income$49,88272ndU.S. $44,673 · MD $52,979239th of 446 in MD
- 71stU.S. 35.7% · MD 43.4%175th of 445 in MD
- Work from home16.3%66thU.S. 15.1% · MD 19.3%224th of 444 in MD
- Tech workers3.3%58thU.S. 3.8% · MD 6.4%282nd of 444 in MD
- Median gross rent$1,51357thU.S. $1,413 · MD $1,705201st of 338 in MD
- Veterans5.8%49thU.S. 6.2% · MD 6.8%293rd of 446 in MD
- 45thU.S. 10% · MD 8.7%224th of 444 in MD
- Government workers12.8%43rdU.S. 14.5% · MD 22.5%387th of 444 in MD
- 35thU.S. 14.1% · MD 16.6%223rd of 446 in MD
- Uninsured rate4.6%28thU.S. 8.4% · MD 6.3%170th of 444 in MD
- 20thStrengthU.S. 0.483 · MD 0.456236th of 438 in MD
- Population density150/sq mi17thU.S. 95/sq mi · MD 639/sq mi318th of 446 in MD
- 16thStrengthU.S. 5.2% · MD 4.9%286th of 444 in MD
- Median age33.714thU.S. 38.9 · MD 39.4408th of 446 in MD
- Broadband access85.8%14thWeaknessU.S. 91% · MD 92.4%364th of 441 in MD
- Poverty rate5.2%13thStrengthU.S. 12.5% · MD 9.4%271st of 441 in MD
- Population3,3135thU.S. 334,922,499 · MD 6,206,011265th of 446 in MD
- 5thU.S. 61.4 · MD 67.7395th of 446 in MD
- 4thStrengthU.S. 51.1% · MD 51.5%334th of 404 in MD
| Measure | 21155 | Baltimore | MD | U.S. | National percentile | Rank in MD |
|---|---|---|---|---|---|---|
| Healthcare workers | 15.3% | 10.8% | 9% | 9.7% | 28th of 444 | |
| Housing vacancy | 16% | 5.1% | 7.7% | 10.1% | 83rd of 441 | |
| Residents under 18 | 27.4% | 21.9% | 22.2% | 22% | 39th of 446 | |
| Median earnings per workerStrength | $70,651 | $57,592 | $61,200 | $49,666 | 159th of 443 | |
| Median household incomeStrength | $123,158 | $91,768 | $103,678 | $80,734 | 153rd of 414 | |
| Homeownership rateStrength | 81.9% | 66.4% | 67.6% | 65.2% | 220th of 441 | |
| Average commute | 30.6 min | 28 min | 31.1 min | 26.4 min | 232nd of 421 | |
| Residents 65 and older | 20.3% | 18.1% | 16.7% | 17.2% | 155th of 446 | |
| Median home value | $479,500 | $349,300 | $419,900 | $332,700 | 146th of 421 | |
| Per capita income | $49,882 | $49,074 | $52,979 | $44,673 | 239th of 446 | |
| Bachelor's degree or higher | 43.5% | 42.3% | 43.4% | 35.7% | 175th of 445 | |
| Work from home | 16.3% | 16.5% | 19.3% | 15.1% | 224th of 444 | |
| Tech workers | 3.3% | 5.2% | 6.4% | 3.8% | 282nd of 444 | |
| Median gross rent | $1,513 | $1,627 | $1,705 | $1,413 | 201st of 338 | |
| Veterans | 5.8% | 5.8% | 6.8% | 6.2% | 293rd of 446 | |
| Self-employed workers | 8.9% | 8.2% | 8.7% | 10% | 224th of 444 | |
| Government workers | 12.8% | 19.1% | 22.5% | 14.5% | 387th of 444 | |
| Foreign-born residents | 6.3% | 13.2% | 16.6% | 14.1% | 223rd of 446 | |
| Uninsured rate | 4.6% | 5.4% | 6.3% | 8.4% | 170th of 444 | |
| Income inequality (Gini)Strength | 0.398 | 0.458 | 0.456 | 0.483 | 236th of 438 | |
| Population density | 150/sq mi | 1,422/sq mi | 639/sq mi | 95/sq mi | 318th of 446 | |
| Unemployment rateStrength | 3% | 4.9% | 4.9% | 5.2% | 286th of 444 | |
| Median age | 33.7 | 39.7 | 39.4 | 38.9 | 408th of 446 | |
| Broadband accessWeakness | 85.8% | 91.4% | 92.4% | 91% | 364th of 441 | |
| Poverty rateStrength | 5.2% | 9.8% | 9.4% | 12.5% | 271st of 441 | |
| Population | 3,313 | 850,796 | 6,206,011 | 334,922,499 | 265th of 446 | |
| Diversity index | 12 | 63.6 | 67.7 | 61.4 | 395th of 446 | |
| Rent-burdened rentersStrength | 29% | 54.2% | 51.5% | 51.1% | 334th of 404 |
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
- White94%
- Black1%
- Hispanic3%
- Asian0.4%
- Native American0.1%
- Pacific Islander0%
- Other0%
- Multiracial2%
Language spoken at home (households)
Households
- Households
- 1,032
- Average household size
- 3.2
- Family households
- 76.1%
- Married couples
- 60.8%
- Living alone
- 19.9%
- Veterans (of adults)
- 5.8%
- Male / female
- 52% / 48%
Income and poverty
Household income distribution
Median household income
Housing
Median home value
Median gross rent
Types of housing
- Housing units
- 1,229
- Owner-occupied
- 81.9%
- Vacant
- 16%
- Median year built
- 1967
- Median rooms
- 7.2
- Renters paying 30%+ of income
- 29%
- Renters paying 50%+ of income
- 16.7%
- 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 | 21155 | U.S. |
|---|---|---|
| Management, business, science and arts | $83,163 | $74,888 |
| Service | $23,750 | $26,804 |
| Sales and office | $33,094 | $40,476 |
| Construction and maintenance | $82,653 | $49,199 |
| Production and transportation | $19,952 | $39,989 |
Education, internet and health coverage
Highest education (adults 25+)
- High school graduate or higher
- 95.7%
- Bachelor's degree or higher
- 43.5%
- Graduate or professional degree
- 14.4%
- Households with broadband
- 85.8%
- Cable, fiber or DSL
- 64.4%
- No internet access
- 13.3%
- Without health insurance
- 4.6%
- Limited-English households
- 1.7%
Geography
- City (USPS)
- Upperco
- State
- Maryland
- County
- Baltimore County
- Center point
- 39.5736° N, 76.8061° W
- Land area
- 22 sq mi
- Water area
- 0.1 sq mi
- Time zone
- Eastern Time (UTC-5, UTC-4 in summer)
- Zip type
- Residential delivery area
21155 spans 2 counties
- Baltimore County89% of land
- Carroll County11% of land
Zip codes near 21155
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 21020 | Boring, MD · PO box | 3.6 mi | — |
| 21074 | Hampstead, MD | 3.8 mi | $108,536 |
| 21023 | Butler, MD | 4.9 mi | $84,474 |
| 21071 | Glyndon, MD | 6.2 mi | $213,500 |
| 21152 | Sparks Glencoe, MD | 6.5 mi | $121,350 |
| 21030 | Cockeysville, MD | 7 mi | $89,015 |
| 21048 | Finksburg, MD | 8.1 mi | $131,921 |
| 21102 | Manchester, MD | 8.5 mi | $135,069 |
| 21120 | Parkton, MD | 8.6 mi | $162,052 |
| 21136 | Reisterstown, MD | 9.5 mi | $118,500 |
| 21157 | Westminster, MD | 9.6 mi | $104,966 |
| 21053 | Freeland, MD | 9.8 mi | $89,497 |
Zip codes like 21155 elsewhere
Questions about 21155
What city is zip code 21155?
21155 is assigned to Upperco, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 21155 in?
21155 is mostly in Baltimore County, but it extends into 1 other county.
What is the population of 21155?
About 3,313 people live in 21155, according to the Census Bureau's American Community Survey.
What time zone is 21155 in?
21155 is in Eastern Time.
What is the median household income in 21155?
The median household income in 21155 is $123,158.
What zip codes are near 21155?
The closest zip codes to 21155 are 21020, 21074, 21023, 21071, 21152.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21155, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.