ZIP Code 20690
ZIP Code Tabulation Area in St. Mary's County, Maryland.
- Population
- 1,046
- Median household income
- $129,236
- Median home value
- $558,900
+15.6%’19–’23
+70.4%’19–’23
+42.2%’19–’23
ZIP Code 20690 is a ZIP Code Tabulation Area in St. Mary's County, Maryland, home to about 1,046 residents. At $129,236, its median household income sits above St. Mary's County's $114,580.
From 2019 to 2023, ZIP Code 20690's population grew 15.6% from 905 to 1,046, while its median gross rent rose 10.9% from $1,343 to $1,490.
Owners occupy 83.3% of the area's occupied homes. The median resident is 52.4 years old.
Demographics
ACS 2019–2023- Population
- 1,046
- Median age
- 52.4 yrs
- Median household income
- $129,236
- Median home value
- $558,900
- Median gross rent
- $1,490
- Housing units
- 630
- Homeownership rate
- 83.3%
- Bachelor's degree or higher
- 50.1%
- Unemployment rate
- 15.7%
Trends
ACS 5-year · 2019–20239051,046
$75,847$129,236
$393,100$558,900
$1,343$1,490
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 905 | $75,847 | $393,100 | $1,343 |
| 2020 | 950 | $139,750 | $378,900 | $1,387 |
| 2021 | 886 | $136,339 | $455,000 | $1,445 |
| 2022 | 843 | $139,500 | $555,100 | $1,583 |
| 2023 | 1,046 | $129,236 | $558,900 | $1,490 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 57.7%
5 to 1712.2%
18 to 241.8%
25 to 3412.2%
35 to 447.6%
45 to 5416.2%
55 to 6416.3%
65 to 7419.3%
75 and over6.5%
| Count | Share | |
|---|---|---|
| Under 5 | 81 | 7.7% |
| 5 to 17 | 128 | 12.2% |
| 18 to 24 | 19 | 1.8% |
| 25 to 34 | 128 | 12.2% |
| 35 to 44 | 80 | 7.6% |
| 45 to 54 | 169 | 16.2% |
| 55 to 64 | 171 | 16.3% |
| 65 to 74 | 202 | 19.3% |
| 75 and over | 68 | 6.5% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 936 | 89.5% |
| Black or African American | 0 | 0.0% |
| American Indian & Alaska Native | 0 | 0.0% |
| Asian | 26 | 2.5% |
| Native Hawaiian & Pacific Islander | 0 | 0.0% |
| Some other race | 0 | 0.0% |
| Two or more races | 14 | 1.3% |
| Hispanic or Latino (any race) | 70 | 6.7% |
Educational attainment (age 25+)
No high school diploma13.7%
High school graduate10.3%
Some college or associate's25.9%
Bachelor's degree32.2%
Graduate or professional degree18.0%
| Count | Share | |
|---|---|---|
| No high school diploma | 112 | 13.7% |
| High school graduate | 84 | 10.3% |
| Some college or associate's | 212 | 25.9% |
| Bachelor's degree | 263 | 32.2% |
| Graduate or professional degree | 147 | 18.0% |
Commute to work
- Mean travel time to work
- 33 min
Drove alone85.4%
Carpooled2.0%
Public transit0.0%
Walked0.0%
Bicycle0.0%
Worked from home12.6%
Other means0.0%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 387 | 85.4% |
| Carpooled | 9 | 2.0% |
| Public transit | 0 | 0.0% |
| Walked | 0 | 0.0% |
| Bicycle | 0 | 0.0% |
| Worked from home | 57 | 12.6% |
| Other means | 0 | 0.0% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 34 | 8.6% |
| 15 to 29 min | 68 | 17.2% |
| 30 to 44 min | 226 | 57.1% |
| 45 to 59 min | 21 | 5.3% |
| 60+ min | 47 | 11.9% |
Households
- Average household size
- 2.54
- Poverty rate
- 1.3% (14 of 1,046)
| Count | Share | |
|---|---|---|
| Family households | 368 | 89.3% |
| Nonfamily households | 44 | 10.7% |
Housing
- Median year structure built
- 1984
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 412 | 65.4% |
| Vacant | 218 | 34.6% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 343 | 83.3% |
| Renter-occupied | 69 | 16.7% |
1-unit, detached85.4%
1-unit, attached0.0%
2 to 4 units0.0%
5 to 19 units7.6%
20 or more units0.0%
Mobile home & other7.0%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 538 | 85.4% |
| 1-unit, attached | 0 | 0.0% |
| 2 to 4 units | 0 | 0.0% |
| 5 to 19 units | 48 | 7.6% |
| 20 or more units | 0 | 0.0% |
| Mobile home & other | 44 | 7.0% |
Geography
- ZCTA
- 20690
- Land area
- 1.65 sq mi
- Water area
- 0.63 sq mi
- Center point
- 38.1584, -76.5348
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)