ZIP Code 20687
ZIP Code Tabulation Area in St. Mary's County, Maryland.
- Population
- 331
- Median home value
- $771,600
-26.1%’19–’23
+130.3%’19–’23
ZIP Code 20687 (St. Mary's County, Maryland) is home to about 331 residents. Its median home value of $771,600 runs above the St. Mary's County figure of $390,900.
From 2019 to 2023, ZIP Code 20687's population declined 26.1% from 448 to 331.
0.0% of residents live below the poverty line. Households average 2.49 people.
Demographics
ACS 2019–2023- Population
- 331
- Median age
- 47.7 yrs
- Median household income
- —
- Median home value
- $771,600
- Median gross rent
- —
- Housing units
- 223
- Homeownership rate
- 71.4%
- Bachelor's degree or higher
- 48.3%
- Unemployment rate
- 0.0%
Trends
ACS 5-year · 2019–2023448331
$130,463$143,468
$335,000$771,600
| Year | Population | Median household income | Median home value |
|---|---|---|---|
| 2019 | 448 | — | $335,000 |
| 2020 | 429 | — | $428,100 |
| 2021 | 417 | $130,463 | $370,000 |
| 2022 | 360 | $143,468 | — |
| 2023 | 331 | — | $771,600 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 50.0%
5 to 1721.1%
18 to 240.0%
25 to 3411.8%
35 to 4410.0%
45 to 5410.3%
55 to 6424.5%
65 to 740.0%
75 and over22.4%
| Count | Share | |
|---|---|---|
| Under 5 | 0 | 0.0% |
| 5 to 17 | 70 | 21.1% |
| 18 to 24 | 0 | 0.0% |
| 25 to 34 | 39 | 11.8% |
| 35 to 44 | 33 | 10.0% |
| 45 to 54 | 34 | 10.3% |
| 55 to 64 | 81 | 24.5% |
| 65 to 74 | 0 | 0.0% |
| 75 and over | 74 | 22.4% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 265 | 80.1% |
| Black or African American | 66 | 19.9% |
| American Indian & Alaska Native | 0 | 0.0% |
| Asian | 0 | 0.0% |
| Native Hawaiian & Pacific Islander | 0 | 0.0% |
| Some other race | 0 | 0.0% |
| Two or more races | 0 | 0.0% |
| Hispanic or Latino (any race) | 0 | 0.0% |
Educational attainment (age 25+)
No high school diploma0.0%
High school graduate28.7%
Some college or associate's23.0%
Bachelor's degree0.0%
Graduate or professional degree48.3%
| Count | Share | |
|---|---|---|
| No high school diploma | 0 | 0.0% |
| High school graduate | 75 | 28.7% |
| Some college or associate's | 60 | 23.0% |
| Bachelor's degree | 0 | 0.0% |
| Graduate or professional degree | 126 | 48.3% |
Commute to work
- Mean travel time to work
- 26 min
Drove alone85.4%
Carpooled14.6%
Public transit0.0%
Walked0.0%
Bicycle0.0%
Worked from home0.0%
Other means0.0%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 146 | 85.4% |
| Carpooled | 25 | 14.6% |
| Public transit | 0 | 0.0% |
| Walked | 0 | 0.0% |
| Bicycle | 0 | 0.0% |
| Worked from home | 0 | 0.0% |
| Other means | 0 | 0.0% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 20 | 11.7% |
| 15 to 29 min | 114 | 66.7% |
| 30 to 44 min | 0 | 0.0% |
| 45 to 59 min | 0 | 0.0% |
| 60+ min | 37 | 21.6% |
Households
- Average household size
- 2.49
- Poverty rate
- 0.0% (0 of 331)
| Count | Share | |
|---|---|---|
| Family households | 113 | 85.0% |
| Nonfamily households | 20 | 15.0% |
Housing
- Median year structure built
- 1960
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 133 | 59.6% |
| Vacant | 90 | 40.4% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 95 | 71.4% |
| Renter-occupied | 38 | 28.6% |
1-unit, detached88.8%
1-unit, attached0.0%
2 to 4 units0.0%
5 to 19 units0.0%
20 or more units0.0%
Mobile home & other11.2%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 198 | 88.8% |
| 1-unit, attached | 0 | 0.0% |
| 2 to 4 units | 0 | 0.0% |
| 5 to 19 units | 0 | 0.0% |
| 20 or more units | 0 | 0.0% |
| Mobile home & other | 25 | 11.2% |
Geography
- ZCTA
- 20687
- Land area
- 4.99 sq mi
- Water area
- 7.77 sq mi
- Center point
- 38.0637, -76.3397
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)