ZIP Code 20634
ZIP Code Tabulation Area in St. Mary's County, Maryland.
- Population
- 6,976
- Median household income
- $117,431
- Median home value
- $334,800
+7.7%’19–’23
+25.7%’19–’23
+37.8%’19–’23
ZIP Code 20634 (St. Mary's County, Maryland) is home to about 6,976 residents. At $117,431, its median household income sits in line with St. Mary's County's $114,580.
From 2019 to 2023, ZIP Code 20634's population grew 7.7% from 6,478 to 6,976, while its median gross rent rose 19.2% from $1,417 to $1,689.
75.4% of workers drive to work alone. 66.4% of homes are single-family detached houses.
Demographics
ACS 2019–2023- Population
- 6,976
- Median age
- 32.3 yrs
- Median household income
- $117,431
- Median home value
- $334,800
- Median gross rent
- $1,689
- Housing units
- 2,872
- Homeownership rate
- 68.3%
- Bachelor's degree or higher
- 40.6%
- Unemployment rate
- 1.3%
Trends
ACS 5-year · 2019–20236,4786,976
$93,435$117,431
$243,000$334,800
$1,417$1,689
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 6,478 | $93,435 | $243,000 | $1,417 |
| 2020 | 6,961 | $110,377 | $261,300 | $1,430 |
| 2021 | 8,198 | $116,123 | $284,200 | $1,532 |
| 2022 | 7,853 | $131,042 | $327,800 | $1,505 |
| 2023 | 6,976 | $117,431 | $334,800 | $1,689 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 57.8%
5 to 1718.9%
18 to 248.3%
25 to 3419.5%
35 to 4415.9%
45 to 547.5%
55 to 6414.0%
65 to 746.7%
75 and over1.4%
| Count | Share | |
|---|---|---|
| Under 5 | 541 | 7.8% |
| 5 to 17 | 1,321 | 18.9% |
| 18 to 24 | 581 | 8.3% |
| 25 to 34 | 1,357 | 19.5% |
| 35 to 44 | 1,112 | 15.9% |
| 45 to 54 | 526 | 7.5% |
| 55 to 64 | 976 | 14.0% |
| 65 to 74 | 467 | 6.7% |
| 75 and over | 95 | 1.4% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 3,956 | 56.7% |
| Black or African American | 2,133 | 30.6% |
| American Indian & Alaska Native | 0 | 0.0% |
| Asian | 175 | 2.5% |
| Native Hawaiian & Pacific Islander | 0 | 0.0% |
| Some other race | 16 | 0.2% |
| Two or more races | 371 | 5.3% |
| Hispanic or Latino (any race) | 325 | 4.7% |
Educational attainment (age 25+)
No high school diploma2.5%
High school graduate20.6%
Some college or associate's36.2%
Bachelor's degree23.9%
Graduate or professional degree16.7%
| Count | Share | |
|---|---|---|
| No high school diploma | 114 | 2.5% |
| High school graduate | 934 | 20.6% |
| Some college or associate's | 1,643 | 36.2% |
| Bachelor's degree | 1,084 | 23.9% |
| Graduate or professional degree | 758 | 16.7% |
Commute to work
- Mean travel time to work
- 24 min
Drove alone75.4%
Carpooled4.2%
Public transit0.8%
Walked4.2%
Bicycle0.0%
Worked from home14.9%
Other means0.4%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 3,145 | 75.4% |
| Carpooled | 176 | 4.2% |
| Public transit | 35 | 0.8% |
| Walked | 176 | 4.2% |
| Bicycle | 0 | 0.0% |
| Worked from home | 623 | 14.9% |
| Other means | 15 | 0.4% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 1,148 | 32.4% |
| 15 to 29 min | 1,357 | 38.3% |
| 30 to 44 min | 467 | 13.2% |
| 45 to 59 min | 289 | 8.1% |
| 60+ min | 286 | 8.1% |
Households
- Average household size
- 2.74
- Poverty rate
- 4.3% (302 of 6,976)
| Count | Share | |
|---|---|---|
| Family households | 1,659 | 65.4% |
| Nonfamily households | 879 | 34.6% |
Housing
- Median year structure built
- 1995
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 2,538 | 88.4% |
| Vacant | 334 | 11.6% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 1,734 | 68.3% |
| Renter-occupied | 804 | 31.7% |
1-unit, detached66.4%
1-unit, attached17.9%
2 to 4 units3.1%
5 to 19 units11.0%
20 or more units1.6%
Mobile home & other0.0%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 1,908 | 66.4% |
| 1-unit, attached | 513 | 17.9% |
| 2 to 4 units | 88 | 3.1% |
| 5 to 19 units | 316 | 11.0% |
| 20 or more units | 47 | 1.6% |
| Mobile home & other | 0 | 0.0% |
Geography
- ZCTA
- 20634
- Land area
- 6.99 sq mi
- Water area
- 0.07 sq mi
- Center point
- 38.2417, -76.4983
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)