ZIP Code 20688
ZIP Code Tabulation Area in Calvert County, Maryland.
- Population
- 1,113
- Median household income
- $88,902
-36.4%’19–’23
-12.0%’19–’23
ZIP Code 20688 is a ZIP Code Tabulation Area in Calvert County, Maryland, home to about 1,113 residents. At $88,902, its median household income sits below Calvert County's $132,059.
Between 2019 and 2023, ZIP Code 20688's population declined 36.4% from 1,749 to 1,113, while its median gross rent rose 29.7% from $2,313 to $3,000.
Households average 1.67 people. The median gross rent is $3,000.
Demographics
ACS 2019–2023- Population
- 1,113
- Median age
- 72.1 yrs
- Median household income
- $88,902
- Median home value
- —
- Median gross rent
- $3,000
- Housing units
- 726
- Homeownership rate
- 50.4%
- Bachelor's degree or higher
- 44.1%
- Unemployment rate
- 3.8%
Trends
ACS 5-year · 2019–20231,7491,113
$101,000$88,902
$389,600$436,800
$2,313$3,000
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 1,749 | $101,000 | $389,600 | $2,313 |
| 2020 | 1,945 | $110,088 | $450,000 | $2,500 |
| 2021 | 1,390 | $115,680 | $465,600 | $3,034 |
| 2022 | 1,170 | $89,295 | $436,800 | $2,868 |
| 2023 | 1,113 | $88,902 | — | $3,000 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 50.0%
5 to 170.0%
18 to 240.0%
25 to 3412.6%
35 to 440.0%
45 to 543.3%
55 to 6425.7%
65 to 7417.1%
75 and over41.3%
| Count | Share | |
|---|---|---|
| Under 5 | 0 | 0.0% |
| 5 to 17 | 0 | 0.0% |
| 18 to 24 | 0 | 0.0% |
| 25 to 34 | 140 | 12.6% |
| 35 to 44 | 0 | 0.0% |
| 45 to 54 | 37 | 3.3% |
| 55 to 64 | 286 | 25.7% |
| 65 to 74 | 190 | 17.1% |
| 75 and over | 460 | 41.3% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 1,085 | 97.5% |
| Black or African American | 3 | 0.3% |
| 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 | 1 | 0.1% |
| Hispanic or Latino (any race) | 24 | 2.2% |
Educational attainment (age 25+)
No high school diploma1.1%
High school graduate21.8%
Some college or associate's33.0%
Bachelor's degree18.9%
Graduate or professional degree25.2%
| Count | Share | |
|---|---|---|
| No high school diploma | 12 | 1.1% |
| High school graduate | 243 | 21.8% |
| Some college or associate's | 367 | 33.0% |
| Bachelor's degree | 210 | 18.9% |
| Graduate or professional degree | 281 | 25.2% |
Commute to work
- Mean travel time to work
- 34 min
Drove alone56.1%
Carpooled0.0%
Public transit0.0%
Walked0.4%
Bicycle0.0%
Worked from home39.5%
Other means3.9%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 128 | 56.1% |
| Carpooled | 0 | 0.0% |
| Public transit | 0 | 0.0% |
| Walked | 1 | 0.4% |
| Bicycle | 0 | 0.0% |
| Worked from home | 90 | 39.5% |
| Other means | 9 | 3.9% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 35 | 25.4% |
| 15 to 29 min | 23 | 16.7% |
| 30 to 44 min | 37 | 26.8% |
| 45 to 59 min | 0 | 0.0% |
| 60+ min | 43 | 31.2% |
Households
- Average household size
- 1.67
- Poverty rate
- 0.2% (2 of 1,066)
| Count | Share | |
|---|---|---|
| Family households | 280 | 44.0% |
| Nonfamily households | 357 | 56.0% |
Housing
- Median year structure built
- 1996
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 637 | 87.7% |
| Vacant | 89 | 12.3% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 321 | 50.4% |
| Renter-occupied | 316 | 49.6% |
1-unit, detached20.8%
1-unit, attached21.5%
2 to 4 units0.0%
5 to 19 units11.7%
20 or more units46.0%
Mobile home & other0.0%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 151 | 20.8% |
| 1-unit, attached | 156 | 21.5% |
| 2 to 4 units | 0 | 0.0% |
| 5 to 19 units | 85 | 11.7% |
| 20 or more units | 334 | 46.0% |
| Mobile home & other | 0 | 0.0% |
Geography
- ZCTA
- 20688
- Land area
- 1.15 sq mi
- Water area
- 2.25 sq mi
- Center point
- 38.3273, -76.4643
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)