ZIP Code 20855
ZIP Code Tabulation Area in Montgomery County, Maryland.
- Population
- 16,557
- Median household income
- $147,708
- Median home value
- $614,900
+8.3%’19–’23
+6.3%’19–’23
+22.0%’19–’23
ZIP Code 20855 (Montgomery County, Maryland) is home to about 16,557 residents. Its median household income of $147,708 runs above the Montgomery County figure of $128,733.
Between 2019 and 2023, ZIP Code 20855's population grew 8.3% from 15,287 to 16,557, while its median gross rent rose 26.6% from $1,899 to $2,405.
Households average 2.73 people. The median gross rent is $2,405.
Demographics
ACS 2019–2023- Population
- 16,557
- Median age
- 41.8 yrs
- Median household income
- $147,708
- Median home value
- $614,900
- Median gross rent
- $2,405
- Housing units
- 6,141
- Homeownership rate
- 77.9%
- Bachelor's degree or higher
- 67.8%
- Unemployment rate
- 3.1%
Trends
ACS 5-year · 2019–202315,28716,557
$138,947$147,708
$504,100$614,900
$1,899$2,405
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 15,287 | $138,947 | $504,100 | $1,899 |
| 2020 | 15,955 | $137,028 | $522,200 | $2,021 |
| 2021 | 17,123 | $139,899 | $552,700 | $2,146 |
| 2022 | 16,558 | $146,036 | $598,900 | $2,307 |
| 2023 | 16,557 | $147,708 | $614,900 | $2,405 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 55.4%
5 to 1715.8%
18 to 246.8%
25 to 3412.1%
35 to 4413.2%
45 to 5412.1%
55 to 6416.2%
65 to 7411.1%
75 and over7.3%
| Count | Share | |
|---|---|---|
| Under 5 | 901 | 5.4% |
| 5 to 17 | 2,616 | 15.8% |
| 18 to 24 | 1,123 | 6.8% |
| 25 to 34 | 2,008 | 12.1% |
| 35 to 44 | 2,192 | 13.2% |
| 45 to 54 | 2,001 | 12.1% |
| 55 to 64 | 2,677 | 16.2% |
| 65 to 74 | 1,836 | 11.1% |
| 75 and over | 1,203 | 7.3% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 7,515 | 45.4% |
| Black or African American | 2,604 | 15.7% |
| American Indian & Alaska Native | 79 | 0.5% |
| Asian | 3,079 | 18.6% |
| Native Hawaiian & Pacific Islander | 0 | 0.0% |
| Some other race | 153 | 0.9% |
| Two or more races | 951 | 5.7% |
| Hispanic or Latino (any race) | 2,176 | 13.1% |
Educational attainment (age 25+)
No high school diploma3.8%
High school graduate9.7%
Some college or associate's18.8%
Bachelor's degree33.0%
Graduate or professional degree34.8%
| Count | Share | |
|---|---|---|
| No high school diploma | 449 | 3.8% |
| High school graduate | 1,153 | 9.7% |
| Some college or associate's | 2,239 | 18.8% |
| Bachelor's degree | 3,928 | 33.0% |
| Graduate or professional degree | 4,148 | 34.8% |
Commute to work
- Mean travel time to work
- 34 min
Drove alone56.2%
Carpooled6.3%
Public transit7.9%
Walked0.5%
Bicycle0.0%
Worked from home28.0%
Other means1.0%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 5,041 | 56.2% |
| Carpooled | 569 | 6.3% |
| Public transit | 707 | 7.9% |
| Walked | 48 | 0.5% |
| Bicycle | 0 | 0.0% |
| Worked from home | 2,509 | 28.0% |
| Other means | 91 | 1.0% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 939 | 14.5% |
| 15 to 29 min | 1,985 | 30.7% |
| 30 to 44 min | 1,573 | 24.4% |
| 45 to 59 min | 735 | 11.4% |
| 60+ min | 1,224 | 19.0% |
Households
- Average household size
- 2.73
- Poverty rate
- 4.5% (742 of 16,422)
| Count | Share | |
|---|---|---|
| Family households | 4,495 | 74.4% |
| Nonfamily households | 1,547 | 25.6% |
Housing
- Median year structure built
- 1983
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 6,042 | 98.4% |
| Vacant | 99 | 1.6% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 4,709 | 77.9% |
| Renter-occupied | 1,333 | 22.1% |
1-unit, detached64.2%
1-unit, attached21.3%
2 to 4 units0.7%
5 to 19 units2.2%
20 or more units11.6%
Mobile home & other0.0%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 3,942 | 64.2% |
| 1-unit, attached | 1,306 | 21.3% |
| 2 to 4 units | 43 | 0.7% |
| 5 to 19 units | 138 | 2.2% |
| 20 or more units | 712 | 11.6% |
| Mobile home & other | 0 | 0.0% |
Geography
- ZCTA
- 20855
- Land area
- 13 sq mi
- Water area
- 0.22 sq mi
- Center point
- 39.1370, -77.1318
Counties this ZIP covers
1Compare with nearby ZIP codes
6National ZIP rankings
21- Largest by population
- Most densely populated
- Highest median household income
- Highest median home value
- Most affordable home values
- Highest median gross rent
- Cheapest median gross rent
- Oldest by median age
- Youngest by median age
- Most college-educated
- Highest poverty rate
- Lowest poverty rate
- Highest homeownership rate
- Lowest homeownership rate
- Longest commutes
- Shortest commutes
- Largest households
- Newest housing
- Oldest housing
- Fastest-growing (2019–2023)
- Fastest-shrinking (2019–2023)