ZIP Code 21131

ZIP Code Tabulation Area in Baltimore County, Maryland.

Population: 7,050
Median household income: $187,250
Median home value: $662,900

ZIP Code 21131 is a ZIP Code Tabulation Area in Baltimore County, Maryland, home to about 7,050 residents. Its median household income of $187,250 runs above the Baltimore County figure of $90,904.

Between 2019 and 2023, ZIP Code 21131's population declined 3.2% from 7,282 to 7,050.

68.5% of workers drive to work alone. 98.7% of homes are single-family detached houses.

Demographics

ACS 2019–2023

Population: 7,050
Median age: 48.5 yrs
Median household income: $187,250
Median home value: $662,900
Median gross rent: —
Housing units: 2,622
Homeownership rate: 98.9%
Bachelor's degree or higher: 71.7%
Unemployment rate: 4.3%

Trends

ACS 5-year · 2019–2023

Population

7,2827,050

Median household income

$144,570$187,250

Median home value

$552,900$662,900

Median gross rent

$1,840$2,100

Year	Population	Median household income	Median home value	Median gross rent
2019	7,282	$144,570	$552,900	$1,840
2020	7,587	$148,010	$544,200	$1,778
2021	7,678	$163,370	$569,500	$2,100
2022	7,722	$187,500	$649,400	—
2023	7,050	$187,250	$662,900	—

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 54.8%

5 to 1717.4%

18 to 244.9%

25 to 345.8%

35 to 4413.7%

45 to 5414.0%

55 to 6417.1%

65 to 7413.6%

75 and over8.7%

	Count	Share
Under 5	339	4.8%
5 to 17	1,230	17.4%
18 to 24	344	4.9%
25 to 34	408	5.8%
35 to 44	968	13.7%
45 to 54	987	14.0%
55 to 64	1,203	17.1%
65 to 74	957	13.6%
75 and over	614	8.7%

Race & ethnicity

	Count	Share
White (non-Hispanic)	6,550	92.9%
Black or African American	17	0.2%
American Indian & Alaska Native	7	0.1%
Asian	112	1.6%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	54	0.8%
Two or more races	131	1.9%
Hispanic or Latino (any race)	179	2.5%

Educational attainment (age 25+)

No high school diploma1.7%

High school graduate15.5%

Some college or associate's11.0%

Bachelor's degree37.5%

Graduate or professional degree34.3%

	Count	Share
No high school diploma	89	1.7%
High school graduate	798	15.5%
Some college or associate's	566	11.0%
Bachelor's degree	1,924	37.5%
Graduate or professional degree	1,760	34.3%

Commute to work

Mean travel time to work: 30 min

Drove alone68.5%

Carpooled10.7%

Public transit0.0%

Walked1.8%

Bicycle0.0%

Worked from home19.0%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	2,234	68.5%
Carpooled	349	10.7%
Public transit	0	0.0%
Walked	60	1.8%
Bicycle	0	0.0%
Worked from home	620	19.0%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	461	17.4%
15 to 29 min	890	33.7%
30 to 44 min	784	29.7%
45 to 59 min	343	13.0%
60+ min	165	6.2%

Households

Average household size: 2.86
Poverty rate: 3.4% (238 of 7,050)

	Count	Share
Family households	2,144	86.9%
Nonfamily households	323	13.1%

Housing

Median year structure built: 1977

Occupancy

	Count	Share
Occupied	2,467	94.1%
Vacant	155	5.9%

Tenure (of occupied units)

	Count	Share
Owner-occupied	2,441	98.9%
Renter-occupied	26	1.1%

1-unit, detached98.7%

1-unit, attached1.3%

2 to 4 units0.0%

5 to 19 units0.0%

20 or more units0.0%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	2,589	98.7%
1-unit, attached	33	1.3%
2 to 4 units	0	0.0%
5 to 19 units	0	0.0%
20 or more units	0	0.0%
Mobile home & other	0	0.0%

ZIP Code 21131

Demographics

Trends

Age distribution

Race & ethnicity

Educational attainment (age 25+)

Commute to work

Households

Housing

Geography

Counties this ZIP covers

Compare with nearby ZIP codes

National ZIP rankings

Nearby ZIP codes