Zip code 20899: Gaithersburg, Maryland
Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.
About 20899
20899 is a suburban zip code in Gaithersburg, Maryland (Montgomery County), covering 0.1 sq mi of land. About 57 people live here, or 538 per square mile. The median resident is 62.8 years old, compared with 38.9 nationally. With so few residents, the Census figures below are rough estimates with wide margins of error.
The median household earns $24,417 a year, about 30% of the national median of $80,734. 0% of residents live below the poverty line (U.S.: 12.5%). 0% of occupied homes are lived in by their owners, and renters pay a median of $788 a month.
0% of adults hold a bachelor's degree or higher (U.S.: 36%). 56% of households speak a language other than English at home, most often Spanish.
How 20899 compares
Only about 57 people live here, so these survey estimates have wide margins of error.
- U.S. 334,922,499 · MD 6,206,011
- Population density538/sq miU.S. 95/sq mi · MD 639/sq mi
- Median household income$24,417U.S. $80,734 · MD $103,678
- Per capita income$27,240U.S. $44,673 · MD $52,979
- U.S. $1,413 · MD $1,705
- Median age62.8U.S. 38.9 · MD 39.4
- U.S. 12.5% · MD 9.4%
- U.S. 35.7% · MD 43.4%
- U.S. 65.2% · MD 67.6%
- U.S. 15.1% · MD 19.3%
- Unemployment rate53.1%U.S. 5.2% · MD 4.9%
- U.S. 61.4 · MD 67.7
- Broadband access26.3%U.S. 91% · MD 92.4%
- U.S. 8.4% · MD 6.3%
- Veterans0%U.S. 6.2% · MD 6.8%
- U.S. 14.1% · MD 16.6%
- Housing vacancy38.7%U.S. 10.1% · MD 7.7%
- U.S. 51.1% · MD 51.5%
- U.S. 17.2% · MD 16.7%
- U.S. 22% · MD 22.2%
- U.S. 3.8% · MD 6.4%
- U.S. 9.7% · MD 9%
- U.S. 10% · MD 8.7%
- U.S. 14.5% · MD 22.5%
- U.S. 0.483 · MD 0.456
| Measure | 20899 | Montgomery | MD | U.S. | National percentile | Rank in MD |
|---|---|---|---|---|---|---|
| Population | 57 | 1,065,949 | 6,206,011 | 334,922,499 | — | — |
| Population density | 538/sq mi | 2,162/sq mi | 639/sq mi | 95/sq mi | — | — |
| Median household income | $24,417 | $132,450 | $103,678 | $80,734 | — | — |
| Per capita income | $27,240 | $67,571 | $52,979 | $44,673 | — | — |
| Median gross rent | $788 | $2,068 | $1,705 | $1,413 | — | — |
| Median age | 62.8 | 40.2 | 39.4 | 38.9 | — | — |
| Poverty rate | 0% | 7.5% | 9.4% | 12.5% | — | — |
| Bachelor's degree or higher | 0% | 60.6% | 43.4% | 35.7% | — | — |
| Homeownership rate | 0% | 65.3% | 67.6% | 65.2% | — | — |
| Work from home | 0% | 28.3% | 19.3% | 15.1% | — | — |
| Unemployment rate | 53.1% | 4.9% | 4.9% | 5.2% | — | — |
| Diversity index | 0 | 74.1 | 67.7 | 61.4 | — | — |
| Broadband access | 26.3% | 95.7% | 92.4% | 91% | — | — |
| Uninsured rate | 0% | 7% | 6.3% | 8.4% | — | — |
| Veterans | 0% | 4.2% | 6.8% | 6.2% | — | — |
| Foreign-born residents | 26.3% | 33.6% | 16.6% | 14.1% | — | — |
| Housing vacancy | 38.7% | 4.3% | 7.7% | 10.1% | — | — |
| Rent-burdened renters | 52.6% | 51.6% | 51.5% | 51.1% | — | — |
| Residents 65 and older | 43.9% | 17% | 16.7% | 17.2% | — | — |
| Residents under 18 | 0% | 22.8% | 22.2% | 22% | — | — |
| Tech workers | 0% | 8.2% | 6.4% | 3.8% | — | — |
| Healthcare workers | 100% | 8.3% | 9% | 9.7% | — | — |
| Self-employed workers | 0% | 11% | 8.7% | 10% | — | — |
| Government workers | 0% | 21.5% | 22.5% | 14.5% | — | — |
| Income inequality (Gini) | 0.154 | 0.469 | 0.456 | 0.483 | — | — |
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
- White0%
- Black100%
- Hispanic0%
- Asian0%
- Native American0%
- Pacific Islander0%
- Other0%
- Multiracial0%
Language spoken at home (households)
Households
- Households
- 57
- Average household size
- —
- Family households
- 0%
- Married couples
- 0%
- Living alone
- 100%
- Veterans (of adults)
- 0%
- Male / female
- 56% / 44%
Income and poverty
Household income distribution
Median household income
Housing
Median home value
Median gross rent
Types of housing
- Housing units
- 93
- Owner-occupied
- 0%
- Vacant
- 38.7%
- Median year built
- 1986
- Median rooms
- —
- Renters paying 30%+ of income
- 52.6%
- Renters paying 50%+ of income
- 0%
- Home value to income
- —
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 | 20899 | U.S. |
|---|---|---|
| Management, business, science and arts | — | $74,888 |
| Service | — | $26,804 |
| Sales and office | — | $40,476 |
| Construction and maintenance | — | $49,199 |
| Production and transportation | — | $39,989 |
Education, internet and health coverage
Highest education (adults 25+)
- High school graduate or higher
- 73.7%
- Bachelor's degree or higher
- 0%
- Graduate or professional degree
- 0%
- Households with broadband
- 26.3%
- Cable, fiber or DSL
- 0%
- No internet access
- 73.7%
- Without health insurance
- 0%
- Limited-English households
- 29.8%
Geography
- City (USPS)
- Gaithersburg
- State
- Maryland
- County
- Montgomery County
- Center point
- 39.1444° N, 77.2162° W
- Land area
- 0.1 sq mi
- Water area
- under 0.1 sq mi
- Time zone
- Eastern Time (UTC-5, UTC-4 in summer)
- Zip type
- Residential delivery area
Cities and towns within this zip
- Gaithersburg100% of zip
Census places overlapping the zip's area. Mail may use a different city name than the municipality.
Zip codes near 20899
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 20813 | Bethesda, MD · PO box | 0.5 mi | — |
| 20827 | Bethesda, MD · PO box | 0.5 mi | — |
| 20848 | Rockville, MD · PO box | 0.5 mi | — |
| 20859 | Potomac, MD · PO box | 0.5 mi | — |
| 20875 | Germantown, MD · PO box | 0.5 mi | — |
| 20884 | Gaithersburg, MD · PO box | 0.5 mi | — |
| 20897 | Suburb Maryland Fac, MD · PO box | 0.5 mi | — |
| 20898 | Gaithersburg, MD · PO box | 0.5 mi | — |
| 20877 | Gaithersburg, MD | 1.3 mi | $92,800 |
| 20880 | Washington Grove, MD | 2.2 mi | $134,583 |
| 20878 | Gaithersburg, MD | 2.9 mi | $144,313 |
| 20885 | Gaithersburg, MD · PO box | 3.1 mi | — |
Questions about 20899
What city is zip code 20899?
20899 is assigned to Gaithersburg, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 20899 in?
20899 is in Montgomery County, Maryland.
What is the population of 20899?
About 57 people live in 20899, according to the Census Bureau's American Community Survey.
What time zone is 20899 in?
20899 is in Eastern Time.
What is the median household income in 20899?
The median household income in 20899 is $24,417.
What zip codes are near 20899?
The closest zip codes to 20899 are 20813, 20827, 20848, 20859, 20875.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 20899, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.