ZIP Code 21788
ZIP Code Tabulation Area in Frederick County, Maryland.
- Population
- 11,919
- Median household income
- $93,717
- Median home value
- $342,700
+0.1%’19–’23
+22.1%’19–’23
+33.4%’19–’23
Covering part of Frederick County, Maryland, ZIP Code 21788 has about 11,919 residents. At $93,717, its median household income sits below Frederick County's $120,458.
Between 2019 and 2023, ZIP Code 21788's population held roughly steady from 11,910 to 11,919, while its median gross rent fell 8.5% from $1,109 to $1,015.
Owners occupy 81.6% of the area's occupied homes. The median resident is 46.5 years old.
Demographics
ACS 2019–2023- Population
- 11,919
- Median age
- 46.5 yrs
- Median household income
- $93,717
- Median home value
- $342,700
- Median gross rent
- $1,015
- Housing units
- 5,102
- Homeownership rate
- 81.6%
- Bachelor's degree or higher
- 29.5%
- Unemployment rate
- 3.0%
Trends
ACS 5-year · 2019–202311,91011,919
$76,737$93,717
$256,900$342,700
$1,109$1,015
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 11,910 | $76,737 | $256,900 | $1,109 |
| 2020 | 12,241 | $84,224 | $273,200 | $1,014 |
| 2021 | 11,598 | $83,988 | $295,900 | $1,061 |
| 2022 | 11,412 | $90,091 | $328,600 | $1,025 |
| 2023 | 11,919 | $93,717 | $342,700 | $1,015 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 53.5%
5 to 1715.4%
18 to 247.3%
25 to 3411.6%
35 to 4410.9%
45 to 5413.9%
55 to 6417.1%
65 to 7412.5%
75 and over7.8%
| Count | Share | |
|---|---|---|
| Under 5 | 420 | 3.5% |
| 5 to 17 | 1,834 | 15.4% |
| 18 to 24 | 874 | 7.3% |
| 25 to 34 | 1,382 | 11.6% |
| 35 to 44 | 1,303 | 10.9% |
| 45 to 54 | 1,651 | 13.9% |
| 55 to 64 | 2,033 | 17.1% |
| 65 to 74 | 1,494 | 12.5% |
| 75 and over | 928 | 7.8% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 10,588 | 88.8% |
| Black or African American | 142 | 1.2% |
| American Indian & Alaska Native | 0 | 0.0% |
| Asian | 85 | 0.7% |
| Native Hawaiian & Pacific Islander | 0 | 0.0% |
| Some other race | 22 | 0.2% |
| Two or more races | 372 | 3.1% |
| Hispanic or Latino (any race) | 710 | 6.0% |
Educational attainment (age 25+)
No high school diploma9.3%
High school graduate36.5%
Some college or associate's24.8%
Bachelor's degree17.6%
Graduate or professional degree11.9%
| Count | Share | |
|---|---|---|
| No high school diploma | 815 | 9.3% |
| High school graduate | 3,205 | 36.5% |
| Some college or associate's | 2,178 | 24.8% |
| Bachelor's degree | 1,544 | 17.6% |
| Graduate or professional degree | 1,049 | 11.9% |
Commute to work
- Mean travel time to work
- 28 min
Drove alone75.1%
Carpooled7.3%
Public transit0.1%
Walked1.7%
Bicycle0.0%
Worked from home14.4%
Other means1.4%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 4,933 | 75.1% |
| Carpooled | 480 | 7.3% |
| Public transit | 9 | 0.1% |
| Walked | 113 | 1.7% |
| Bicycle | 0 | 0.0% |
| Worked from home | 948 | 14.4% |
| Other means | 89 | 1.4% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 1,251 | 22.2% |
| 15 to 29 min | 2,359 | 41.9% |
| 30 to 44 min | 976 | 17.4% |
| 45 to 59 min | 302 | 5.4% |
| 60+ min | 736 | 13.1% |
Households
- Average household size
- 2.47
- Poverty rate
- 9.4% (1,121 of 11,907)
| Count | Share | |
|---|---|---|
| Family households | 3,603 | 74.7% |
| Nonfamily households | 1,218 | 25.3% |
Housing
- Median year structure built
- 1978
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 4,821 | 94.5% |
| Vacant | 281 | 5.5% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 3,933 | 81.6% |
| Renter-occupied | 888 | 18.4% |
1-unit, detached77.9%
1-unit, attached7.5%
2 to 4 units4.6%
5 to 19 units6.6%
20 or more units2.0%
Mobile home & other1.3%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 3,975 | 77.9% |
| 1-unit, attached | 383 | 7.5% |
| 2 to 4 units | 236 | 4.6% |
| 5 to 19 units | 336 | 6.6% |
| 20 or more units | 104 | 2.0% |
| Mobile home & other | 68 | 1.3% |
Geography
- ZCTA
- 21788
- Land area
- 65 sq mi
- Water area
- 0.51 sq mi
- Center point
- 39.5900, -77.4139
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)