20852 ZIP Code — Rockville, MD

Montgomery County, Maryland

ZIP code 20852 is located in Rockville, Maryland, within Montgomery County. It covers approximately 8.07 square miles and serves a population of 48,379 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 301/240.

About ZIP code 20852

The housing stock consists of a significant share of large multi-unit buildings. Most homes were built in the 1960s, giving the area an established character. Median home value is $636,800. Renters make up the majority at 59%, typical of denser urban areas.

The gap between median ($121,550) and mean household income suggests income inequality — a small number of higher earners pull the average up.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 31 minutes is near the national average. Remote work is prevalent — 29% of workers work from home.

Educational attainment is high — 74% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 20852 reflects a community defined by a highly educated population and a high rate of remote workers.

48,379

population

8.07

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

20852 ZIP code map

Cities in ZIP code 20852

Below are the cities the US Postal Service accepts for ZIP code 20852. Using any city not on this list may result in mail delivery delays.

City	Status
Rockville	Acceptable
Rockville	Preferred

Nearby ZIP codes

20851 Rockville (1.8 mi) 20857 Rockville (2.7 mi) 20895 Kensington (2.9 mi) 20814 Bethesda (3.5 mi) 20892 Bethesda (3.7 mi) 20817 Bethesda (3.9 mi) 20853 Rockville (4 mi) 20906 Silver Spring (4.1 mi) 20897 Suburb Maryland Fac (4.3 mi) 20902 Silver Spring (4.3 mi) 20850 Rockville (4.4 mi) 20889 Bethesda (5.1 mi)

Demographics updated 05/2026

Population
Total population	48,379
Population density	5,995 / sq mi
State FIPS	24
County FIPS	031

Geography
Land area	8.07 sq mi
Water area	0.02 sq mi
Latitude	39.0526
Longitude	-77.1232
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	22.3%	20.6%	28.2%
$50k – $100k	23.7%	24.2%	28.2%
$100k – $200k	32.4%	31.9%	30.1%
Over $200k	21.5%	23.3%	13.4%

Demographics & statistics

48,379

Population

5,995

People per sq mi

38.5

Median age

$121,550

Median household income

$72,549

Per capita income

$636,800

Median home value

$2,193

Median monthly rent

41.4%

Home ownership

7.7%

Poverty rate

3.4%

Unemployment

10,327

Housing units

73.8%

Bachelor's or higher

Age distribution

Male Female

1,037

Under 5

1,096

1,290

5–9

1,363

1,275

10–14

1,348

1,257

15–19

1,328

1,502

20–24

1,587

3,960

25–34

4,186

3,733

35–44

3,947

2,971

45–54

3,141

1,400

55–59

1,480

1,262

60–64

1,334

1,962

65–74

2,075

1,209

75–84

1,278

660

85+

698

← Male

Female →

Age summary

Group	Count	%
Under 18	8,868	18.3%
18 and over	39,511	81.7%
65 and over	7,882	16.3%
Median age	38.5 years

Race & ethnicity

White 51.2%

Asian 18.3%

Black or African American 9.8%

Two or more races 9.1%

Hispanic or Latino 8.1%

Other race 3.2%

American Indian / Alaska Native 0.3%

Group	Count	%
White	26,942	51.2%
Asian	9,654	18.3%
Black or African American	5,179	9.8%
Two or more races	4,802	9.1%
Hispanic or Latino	4,280	8.1%
Other race	1,664	3.2%
American Indian / Alaska Native	136	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	22.3%	20.6%	28.2%
$50k – $100k	23.7%	24.2%	28.2%
$100k – $200k	32.4%	31.9%	30.1%
Over $200k	21.5%	23.3%	13.4%

Under $10k 4.0%

$10k–$15k 2.4%

$15k–$25k 3.4%

$25k–$35k 4.9%

$35k–$50k 5.6%

$50k–$75k 9.6%

$75k–$100k 9.9%

$100k–$150k 20.8%

$150k–$200k 13.9%

$200k+ 25.5%

Range	% of households
Under $10k	4.0%
$10k–$15k	2.4%
$15k–$25k	3.4%
$25k–$35k	4.9%
$35k–$50k	5.6%
$50k–$75k	9.6%
$75k–$100k	9.9%
$100k–$150k	20.8%
$150k–$200k	13.9%
$200k+	25.5%
Median income	$121,550

Housing

Home values

Under $50k 2.0%

$50k–$100k 0.5%

$100k–$150k 0.8%

$150k–$200k 1.8%

$200k–$300k 10.3%

$300k–$500k 21.3%

$500k–$1M 43.3%

$1M+ 19.9%

Housing overview

Metric	Value
Median home value	$636,800
Median rent / month	$2,193
Owner occupied	41.4%
Renter occupied	58.6%
Vacant	6.3%
Single-family detached	22.1%
Large apartment buildings	51.1%
Mobile homes	0.0%
Median rooms	4.2
Avg household size (owned)	2.38

Year built

Era	%
2020 or later	0.7%
2010–2019	12.7%
2000–2009	15.3%
1990–1999	10.2%
1980–1989	18.9%
1970–1979	11.3%
1960–1969	19.8%
1950–1959	8.3%
1940–1949	2.2%
1939 or earlier	0.6%

Bedrooms

Size	% of units
No bedroom (studio)	6.7%
1 bedroom	25.2%
2 bedrooms	32.6%
3 bedrooms	17.2%
4 bedrooms	12.5%
5+ bedrooms	5.6%

Vehicles per household

Vehicles	% of households
No vehicle	11.3%
1 vehicle	47.8%
2 vehicles	29.7%
3 or more	11.2%

Heating fuel

Fuel type	%
Utility gas	47.2%
Electricity	49.8%
Propane / LP gas	1.1%
Fuel oil	0.9%
Wood	0.1%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	8,737	40.7%
Cohabiting couple	1,570	7.3%
Male householder, no spouse	4,317	20.1%
Female householder, no spouse	6,836	31.9%
Households with children under 18	5,279	24.6%
Households with seniors (65+)	5,643	26.3%
Average household size	2.22

Marital status

Status	Male	Female
Never married	36.8%	33.7%
Married	49.9%	45.0%
Separated	1.7%	1.6%
Widowed	2.2%	8.7%
Divorced	9.3%	11.0%

Education

Less than 9th grade 3.5%

Some HS, no diploma 2.5%

HS graduate 7.3%

Some college, no degree 9.0%

Associate's degree 3.8%

Bachelor's degree 30.1%

Graduate / professional 43.6%

Metric	%
HS diploma or higher	93.9%
Bachelor's or higher	73.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	612	5.4%
Kindergarten	548	4.9%
Elementary school	4,167	37.0%
High school	2,110	18.7%
College / grad school	3,836	34.0%

Employment

Industry of employment

Professional & management 30.1%

Education & healthcare 19.3%

Public administration 12.6%

Arts, food & hospitality 7.4%

Other services 7.2%

Finance & real estate 7.0%

Retail trade 4.8%

Information 2.8%

Manufacturing 2.7%

Transportation & utilities 2.7%

Construction 2.6%

Wholesale trade 0.6%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	72.7%
Service	10.9%
Sales & office	10.8%
Natural resources & construction	2.8%
Production & transportation	2.9%

Employment type

Type	%
Private sector	67.8%
Government	25.8%
Self-employed	6.3%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	46.6%
Carpool	6.4%
Public transit	14.0%
Walk	2.1%
Work from home	29.4%
Other means	1.4%
Avg commute (minutes)	30.9

Poverty

All people 7.7%

Under 18 years 6.3%

18 and over 8.0%

Married-couple families 3.5%

Female-led households 12.8%

Income support

Source	% of households
Social Security	19.8%
Retirement income	18.4%
Supplemental Security	2.7%
Cash public assistance	1.3%
Food stamps / SNAP	3.9%

Health indicators

Condition	%
Obesity	18.6%
High blood pressure	25.8%
High cholesterol	32.1%
Diabetes	7.0%
Heart disease	4.6%
Stroke	2.1%
Asthma	7.6%
Arthritis	17.8%
Kidney disease	2.3%
Pulmonary disease	3.6%
Cancer	6.3%

Behavior / access	%
Smoking	7.5%
Binge drinking	12.7%
No physical activity	14.7%
Less than 7 hrs sleep	27.7%
Depression	15.0%
Fair or poor health	7.7%
Poor mental health	10.5%
Poor physical health	5.6%
No health insurance	9.4%
Visited doctor (checkup)	72.2%
Visited dentist	72.2%
Cholesterol screening	93.1%
Teeth loss	5.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,406	3.6%

Disability	%
Any disability	8.5%
Under 18	3.9%
18–64 years	4.3%
65 and over	31.8%

Health insurance coverage

Type	%
Private insurance	83.8%
Public insurance	23.4%
No insurance	4.7%
Uninsured under 19	0.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	46,246	95.6%
Spanish	6,684	14.5%
Other Indo-European	1,898	4.1%
Asian & Pacific Islander	1,823	3.9%
Other languages	2,721	5.9%

Place of birth & citizenship

Origin	Count	%
Native born (US)	31,052	64.2%
Born in same state	30,014	62.0%
Born in different state	8,934	18.5%
Foreign born	1,038	2.1%
Naturalized citizen	17,327	35.8%
Not a US citizen	7,876	45.5%

Ancestry

Ancestry	Count	%
Italian	3,992	8.3%
French	2,575	5.3%
Arab	1,130	2.3%
Irish	397	0.8%
Norwegian	248	0.5%

Ancestry	Count	%
Polish	203	0.4%
English	132	0.3%
German	101	0.2%
Dutch	53	0.1%

Technology access

Metric	% of households
Computer access	44.4%
Internet access	98.1%

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

Frequently asked questions about ZIP code 20852

What city is ZIP code 20852 in?

ZIP code 20852 is primarily assigned to Rockville, Maryland.

What county is ZIP code 20852 in?

ZIP code 20852 falls within Montgomery County, Maryland.

How educated is the population of ZIP code 20852?

74% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 20852 mostly rentals?

59% of occupied units in ZIP code 20852 are renter-occupied.

What is the typical home value in ZIP code 20852?

The median home value in ZIP code 20852 is $636,800.

What is the median household income in ZIP code 20852?

The median household income in ZIP code 20852 is $121,550, above the national median of ~$75,000.

What timezone is ZIP code 20852 in?

ZIP code 20852 observes the EST timezone.