ZIP Code 20866

ZIP Code Tabulation Area in Montgomery County, Maryland.

Population: 16,499
Median household income: $134,682
Median home value: $434,400

ZIP Code 20866 (Montgomery County, Maryland) is home to about 16,499 residents. Its median household income of $134,682 runs above the Montgomery County figure of $128,733.

Between 2019 and 2023, ZIP Code 20866's population held roughly steady from 16,365 to 16,499, while its median gross rent rose 22.4% from $1,800 to $2,203.

Black or African American residents are the largest group, 44.7% of the population. 69.2% of workers drive to work alone.

Demographics

ACS 2019–2023

Population: 16,499
Median age: 38.1 yrs
Median household income: $134,682
Median home value: $434,400
Median gross rent: $2,203
Housing units: 5,142
Homeownership rate: 78.3%
Bachelor's degree or higher: 43.5%
Unemployment rate: 5.2%

Trends

ACS 5-year · 2019–2023

Population

16,36516,499

Median household income

$98,227$134,682

Median home value

$339,500$434,400

Median gross rent

$1,800$2,203

Year	Population	Median household income	Median home value	Median gross rent
2019	16,365	$98,227	$339,500	$1,800
2020	16,974	$114,195	$357,600	$1,875
2021	16,791	$127,937	$378,400	$1,946
2022	16,680	$137,990	$419,600	$2,162
2023	16,499	$134,682	$434,400	$2,203

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

Age distribution

Under 55.5%

5 to 1717.4%

18 to 249.4%

25 to 3412.4%

35 to 4416.8%

45 to 5412.5%

55 to 6412.2%

65 to 7410.2%

75 and over3.5%

	Count	Share
Under 5	910	5.5%
5 to 17	2,873	17.4%
18 to 24	1,559	9.4%
25 to 34	2,053	12.4%
35 to 44	2,771	16.8%
45 to 54	2,064	12.5%
55 to 64	2,015	12.2%
65 to 74	1,682	10.2%
75 and over	572	3.5%

Race & ethnicity

	Count	Share
White (non-Hispanic)	2,807	17.0%
Black or African American	7,383	44.7%
American Indian & Alaska Native	0	0.0%
Asian	2,822	17.1%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	390	2.4%
Two or more races	542	3.3%
Hispanic or Latino (any race)	2,555	15.5%

Educational attainment (age 25+)

No high school diploma8.5%

High school graduate19.5%

Some college or associate's28.5%

Bachelor's degree23.3%

Graduate or professional degree20.2%

	Count	Share
No high school diploma	952	8.5%
High school graduate	2,175	19.5%
Some college or associate's	3,175	28.5%
Bachelor's degree	2,602	23.3%
Graduate or professional degree	2,253	20.2%

Commute to work

Mean travel time to work: 36 min

Drove alone69.2%

Carpooled7.9%

Public transit3.9%

Walked0.8%

Bicycle0.1%

Worked from home16.9%

Other means1.2%

How workers get to work

	Count	Share
Drove alone	6,292	69.2%
Carpooled	722	7.9%
Public transit	352	3.9%
Walked	71	0.8%
Bicycle	12	0.1%
Worked from home	1,534	16.9%
Other means	106	1.2%

Travel time

	Count	Share
Under 15 min	782	10.4%
15 to 29 min	2,143	28.4%
30 to 44 min	2,722	36.0%
45 to 59 min	850	11.3%
60+ min	1,058	14.0%

Households

Average household size: 3.24
Poverty rate: 6.0% (980 of 16,296)

	Count	Share
Family households	4,030	79.7%
Nonfamily households	1,026	20.3%

Housing

Median year structure built: 1985

Occupancy

	Count	Share
Occupied	5,056	98.3%
Vacant	86	1.7%

Tenure (of occupied units)

	Count	Share
Owner-occupied	3,961	78.3%
Renter-occupied	1,095	21.7%

1-unit, detached41.7%

1-unit, attached49.1%

2 to 4 units2.2%

5 to 19 units6.4%

20 or more units0.6%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	2,146	41.7%
1-unit, attached	2,525	49.1%
2 to 4 units	114	2.2%
5 to 19 units	327	6.4%
20 or more units	30	0.6%
Mobile home & other	0	0.0%

ZIP Code 20866

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