ZIP Code 21045
ZIP Code Tabulation Area in Howard County, Maryland.
- Population
- 40,866
- Median household income
- $117,323
- Median home value
- $438,500
+1.2%’19–’23
+12.9%’19–’23
+24.6%’19–’23
Covering part of Howard County, Maryland, ZIP Code 21045 has about 40,866 residents. At $117,323, its median household income sits below Howard County's $146,982.
Between 2019 and 2023, ZIP Code 21045's population grew 1.2% from 40,365 to 40,866, while its median gross rent rose 10.2% from $1,604 to $1,768.
8.4% of residents live below the poverty line. Households average 2.65 people.
Demographics
ACS 2019–2023- Population
- 40,866
- Median age
- 38.4 yrs
- Median household income
- $117,323
- Median home value
- $438,500
- Median gross rent
- $1,768
- Housing units
- 15,826
- Homeownership rate
- 69.0%
- Bachelor's degree or higher
- 57.4%
- Unemployment rate
- 5.7%
Trends
ACS 5-year · 2019–202340,36540,866
$103,932$117,323
$351,900$438,500
$1,604$1,768
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 40,365 | $103,932 | $351,900 | $1,604 |
| 2020 | 40,265 | $106,209 | $362,700 | $1,500 |
| 2021 | 40,522 | $110,111 | $372,600 | $1,500 |
| 2022 | 40,980 | $115,134 | $420,400 | $1,602 |
| 2023 | 40,866 | $117,323 | $438,500 | $1,768 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 56.2%
5 to 1716.3%
18 to 247.7%
25 to 3414.0%
35 to 4414.9%
45 to 5410.9%
55 to 6412.2%
65 to 749.8%
75 and over8.1%
| Count | Share | |
|---|---|---|
| Under 5 | 2,548 | 6.2% |
| 5 to 17 | 6,646 | 16.3% |
| 18 to 24 | 3,156 | 7.7% |
| 25 to 34 | 5,704 | 14.0% |
| 35 to 44 | 6,079 | 14.9% |
| 45 to 54 | 4,464 | 10.9% |
| 55 to 64 | 4,982 | 12.2% |
| 65 to 74 | 3,995 | 9.8% |
| 75 and over | 3,292 | 8.1% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 17,048 | 41.7% |
| Black or African American | 13,133 | 32.1% |
| American Indian & Alaska Native | 35 | 0.1% |
| Asian | 3,559 | 8.7% |
| Native Hawaiian & Pacific Islander | 0 | 0.0% |
| Some other race | 327 | 0.8% |
| Two or more races | 2,242 | 5.5% |
| Hispanic or Latino (any race) | 4,522 | 11.1% |
Educational attainment (age 25+)
No high school diploma6.5%
High school graduate13.6%
Some college or associate's22.5%
Bachelor's degree25.6%
Graduate or professional degree31.8%
| Count | Share | |
|---|---|---|
| No high school diploma | 1,849 | 6.5% |
| High school graduate | 3,865 | 13.6% |
| Some college or associate's | 6,423 | 22.5% |
| Bachelor's degree | 7,310 | 25.6% |
| Graduate or professional degree | 9,069 | 31.8% |
Commute to work
- Mean travel time to work
- 28 min
Drove alone66.9%
Carpooled5.4%
Public transit3.1%
Walked0.5%
Bicycle0.1%
Worked from home23.1%
Other means0.9%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 13,965 | 66.9% |
| Carpooled | 1,118 | 5.4% |
| Public transit | 640 | 3.1% |
| Walked | 114 | 0.5% |
| Bicycle | 16 | 0.1% |
| Worked from home | 4,829 | 23.1% |
| Other means | 198 | 0.9% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 3,383 | 21.1% |
| 15 to 29 min | 5,914 | 36.8% |
| 30 to 44 min | 4,011 | 25.0% |
| 45 to 59 min | 1,449 | 9.0% |
| 60+ min | 1,294 | 8.1% |
Households
- Average household size
- 2.65
- Poverty rate
- 8.4% (3,414 of 40,763)
| Count | Share | |
|---|---|---|
| Family households | 10,547 | 68.6% |
| Nonfamily households | 4,821 | 31.4% |
Housing
- Median year structure built
- 1979
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 15,368 | 97.1% |
| Vacant | 458 | 2.9% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 10,599 | 69.0% |
| Renter-occupied | 4,769 | 31.0% |
1-unit, detached43.4%
1-unit, attached28.8%
2 to 4 units2.2%
5 to 19 units17.6%
20 or more units7.7%
Mobile home & other0.3%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 6,873 | 43.4% |
| 1-unit, attached | 4,556 | 28.8% |
| 2 to 4 units | 345 | 2.2% |
| 5 to 19 units | 2,786 | 17.6% |
| 20 or more units | 1,225 | 7.7% |
| Mobile home & other | 41 | 0.3% |
Geography
- ZCTA
- 21045
- Land area
- 9.7 sq mi
- Water area
- 0.09 sq mi
- Center point
- 39.2060, -76.8282
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)