20882 ZIP Code — Gaithersburg, MD

Montgomery County, Maryland

ZIP code 20882 is located in Gaithersburg, Maryland, within Montgomery County. It covers approximately 37.75 square miles and serves a population of 13,962 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 301/240.

About ZIP code 20882

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $658,800. Owner-occupancy is high at 98%, well above the national average.

The gap between median ($171,903) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. An above-average commute of 38 minutes suggests many residents work outside the immediate area. Remote work is prevalent — 22% of workers work from home.

Educational attainment is high — 57% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 20882 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

13,962

population

37.75

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

20882 ZIP code map

Cities in ZIP code 20882

Below are the cities the US Postal Service accepts for ZIP code 20882. Using any city not on this list may result in mail delivery delays.

City	Status
Gaithersburg	Acceptable
Gaithersburg	Preferred

Nearby ZIP codes

20879 Gaithersburg (4.2 mi) 20886 Montgomery Village (4.4 mi) 20833 Brookeville (4.7 mi) 20876 Germantown (5.3 mi) 20855 Derwood (6.1 mi) 20872 Damascus (6.1 mi) 20877 Gaithersburg (6.5 mi) 20832 Olney (6.6 mi) 20899 Gaithersburg (6.7 mi) 21737 Glenelg (7 mi) 21738 Glenwood (7.2 mi) 21036 Dayton (7.2 mi)

Demographics updated 05/2026

Population
Total population	13,962
Population density	370 / sq mi
State FIPS	24
County FIPS	031

Geography
Land area	37.75 sq mi
Water area	0.17 sq mi
Latitude	39.2291
Longitude	-77.1424
Timezone	Eastern (ET)
Area code	301/240

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	11.1%	20.6%	28.2%
$50k – $100k	17.2%	24.2%	28.2%
$100k – $200k	41.6%	31.9%	30.1%
Over $200k	30.1%	23.3%	13.4%

Demographics & statistics

13,962

Population

370

People per sq mi

46.2

Median age

$171,903

Median household income

$73,403

Per capita income

$658,800

Median home value

Median monthly rent

98.4%

Home ownership

3.4%

Poverty rate

4.1%

Unemployment

4,566

Housing units

57.3%

Bachelor's or higher

Age distribution

Male Female

293

Under 5

278

389

5–9

369

417

10–14

396

492

15–19

468

471

20–24

447

621

25–34

590

769

35–44

731

972

45–54

923

699

55–59

664

738

60–64

700

877

65–74

832

288

75–84

273

136

85+

129

← Male

Female →

Age summary

Group	Count	%
Under 18	2,865	20.5%
18 and over	11,097	79.5%
65 and over	2,535	18.2%
Median age	46.2 years

Race & ethnicity

White 71.1%

Black or African American 7.1%

Two or more races 6.6%

Asian 6.5%

Hispanic or Latino 5.7%

Other race 3%

Group	Count	%
White	10,527	71.1%
Black or African American	1,053	7.1%
Two or more races	973	6.6%
Asian	961	6.5%
Hispanic or Latino	838	5.7%
Other race	448	3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	11.1%	20.6%	28.2%
$50k – $100k	17.2%	24.2%	28.2%
$100k – $200k	41.6%	31.9%	30.1%
Over $200k	30.1%	23.3%	13.4%

Under $10k 2.0%

$10k–$15k 0.9%

$15k–$25k 2.5%

$25k–$35k 1.4%

$35k–$50k 2.8%

$50k–$75k 6.1%

$75k–$100k 5.7%

$100k–$150k 20.6%

$150k–$200k 19.0%

$200k+ 39.1%

Range	% of households
Under $10k	2.0%
$10k–$15k	0.9%
$15k–$25k	2.5%
$25k–$35k	1.4%
$35k–$50k	2.8%
$50k–$75k	6.1%
$75k–$100k	5.7%
$100k–$150k	20.6%
$150k–$200k	19.0%
$200k+	39.1%
Median income	$171,903

Housing

Home values

Under $50k 1.5%

$50k–$100k 0.2%

$100k–$150k 0.5%

$150k–$200k 0.3%

$200k–$300k 1.2%

$300k–$500k 21.8%

$500k–$1M 63.0%

$1M+ 11.6%

Housing overview

Metric	Value
Median home value	$658,800
Median rent / month	$0
Owner occupied	98.4%
Renter occupied	1.6%
Vacant	0.7%
Single-family detached	96.1%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	10.0
Avg household size (owned)	3.03

Year built

Era	%
2020 or later	0.8%
2010–2019	3.3%
2000–2009	11.6%
1990–1999	14.5%
1980–1989	30.4%
1970–1979	22.4%
1960–1969	10.1%
1950–1959	2.4%
1940–1949	2.2%
1939 or earlier	2.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	0.1%
2 bedrooms	2.7%
3 bedrooms	24.4%
4 bedrooms	44.9%
5+ bedrooms	27.4%

Vehicles per household

Vehicles	% of households
No vehicle	0.3%
1 vehicle	11.2%
2 vehicles	44.0%
3 or more	44.5%

Heating fuel

Fuel type	%
Utility gas	25.3%
Electricity	47.2%
Propane / LP gas	7.6%
Fuel oil	17.7%
Wood	0.7%
Solar	0.2%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	3,608	78.3%
Cohabiting couple	70	1.5%
Male householder, no spouse	313	6.8%
Female householder, no spouse	615	13.4%
Households with children under 18	1,643	35.7%
Households with seniors (65+)	1,747	37.9%
Average household size	3.03

Marital status

Status	Male	Female
Never married	30.8%	18.6%
Married	64.2%	64.3%
Separated	0.8%	0.6%
Widowed	0.7%	8.3%
Divorced	3.6%	8.1%

Education

Less than 9th grade 1.9%

Some HS, no diploma 2.2%

HS graduate 14.2%

Some college, no degree 17.5%

Associate's degree 6.8%

Bachelor's degree 27.8%

Graduate / professional 29.6%

Metric	%
HS diploma or higher	95.9%
Bachelor's or higher	57.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	168	4.8%
Kindergarten	174	5.0%
Elementary school	1,191	34.1%
High school	874	25.0%
College / grad school	1,083	31.0%

Employment

Industry of employment

Professional & management 21.9%

Education & healthcare 21.4%

Public administration 11.3%

Construction 7.3%

Arts, food & hospitality 7.3%

Retail trade 7.1%

Finance & real estate 6.1%

Other services 5.9%

Manufacturing 4.1%

Information 2.6%

Agriculture & mining 1.9%

Wholesale trade 1.8%

Transportation & utilities 1.3%

Occupation

Category	%
Management, business & arts	60.3%
Service	7.9%
Sales & office	19.6%
Natural resources & construction	7.4%
Production & transportation	4.7%

Employment type

Type	%
Private sector	70.6%
Government	23.5%
Self-employed	5.1%
Unpaid family workers	0.8%

Commute

Method	%
Drive alone	66.4%
Carpool	8.0%
Public transit	2.5%
Walk	0.6%
Work from home	22.1%
Other means	0.4%
Avg commute (minutes)	37.7

Poverty

All people 3.4%

Under 18 years 3.4%

18 and over 3.4%

Married-couple families 1.3%

Female-led households 1.0%

Income support

Source	% of households
Social Security	34.3%
Retirement income	29.5%
Supplemental Security	2.0%
Cash public assistance	1.1%
Food stamps / SNAP	3.9%

Health indicators

Condition	%
Obesity	21.1%
High blood pressure	27.5%
High cholesterol	35.7%
Diabetes	7.4%
Heart disease	4.7%
Stroke	2.1%
Asthma	8.2%
Arthritis	19.5%
Kidney disease	2.2%
Pulmonary disease	4.3%
Cancer	6.4%

Behavior / access	%
Smoking	9.1%
Binge drinking	14.0%
No physical activity	14.3%
Less than 7 hrs sleep	28.4%
Depression	16.8%
Fair or poor health	8.1%
Poor mental health	11.3%
Poor physical health	6.4%
No health insurance	8.5%
Visited doctor (checkup)	72.8%
Visited dentist	74.0%
Cholesterol screening	94.3%
Teeth loss	5.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	833	7.5%

Disability	%
Any disability	10.3%
Under 18	4.6%
18–64 years	8.3%
65 and over	23.2%

Health insurance coverage

Type	%
Private insurance	87.3%
Public insurance	22.6%
No insurance	2.3%
Uninsured under 19	1.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	13,391	95.9%
Spanish	467	3.5%
Other Indo-European	304	2.3%
Asian & Pacific Islander	101	0.8%
Other languages	53	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	12,497	89.5%
Born in same state	12,239	87.7%
Born in different state	5,744	41.1%
Foreign born	258	1.8%
Naturalized citizen	1,465	10.5%
Not a US citizen	1,016	69.4%

Ancestry

Ancestry	Count	%
Italian	1,829	13.1%
French	1,809	13%
Arab	842	6%
English	144	1%

Ancestry	Count	%
German	86	0.6%
Norwegian	80	0.6%
Polish	63	0.5%
Irish	43	0.3%

Technology access

Metric	% of households
Computer access	33.0%
Internet access	96.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 20882

What city is ZIP code 20882 in?

ZIP code 20882 is primarily assigned to Gaithersburg, Maryland.

What county is ZIP code 20882 in?

ZIP code 20882 falls within Montgomery County, Maryland.

Is ZIP code 20882 mostly owner-occupied?

98% of occupied units in ZIP code 20882 are owner-occupied, well above the national average.

How educated is the population of ZIP code 20882?

57% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 20882?

The median household income in ZIP code 20882 is $171,903, above the national median of ~$75,000.

What is the typical home value in ZIP code 20882?

The median home value in ZIP code 20882 is $658,800.

What timezone is ZIP code 20882 in?

ZIP code 20882 observes the EST timezone.