US ZIP Code
20850

Rockville, MD

Montgomery County  ·  Maryland

● Active
👥 50,365 Population ↓ 5% since 2019
💰 $122,691 Median HH Income
▲ 61% above avg ↑ 12% since 2019
🎂 40.8 Median Age ↑ 2% since 2019
🏠 $687,200 Median Home Value
▲ 146% above avg ↑ 14% since 2019
🎓 72.0% College Grads
▲ 86% above avg
📊 4.3% Unemployment
▼ 12% below avg ↑ 10% since 2019
ZIP Code Details
ZIP Code20850
CityRockville
StateMaryland (MD)
CountyMontgomery County
Area Code227/240/301
Elevation414 ft
Latitude39.089231
Longitude-77.180445
TimezoneNew York (DST)
FIPS24031
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 46.9% (23,616) Female 53.1% (26,749) ♀

Race & Ethnicity

White: 43.4%Hispanic: 13%Black: 11.7%Asian: 25.4%Other: 5%Race
White43.4%
Hispanic13.0%
Black11.7%
Asian25.4%
Other5.0%

Age Breakdown

Under 5
5%
5–17
14%
18–24
8%
25–44
28%
45–64
26%
65+
7%

Key Indicators

Median Age40.8 yrs ↑ 2% since 2019
Avg Household Size2.33
Below Poverty7.0% ▼ 30% below avg
College Grads72.0% ▲ 86% above avg
Unemployment4.3% ▼ 12% below avg
No HS Diploma529 (1.6%)
HS Graduate3,603 (11.1%)
Some College1,386 (4.3%)
Associates3,554 (11%)
Bachelors2,164 (6.7%)
Graduate Degree21,103 (65.3%)

Education

No HS: 1.6%HS Grad: 11.1%Some College: 4.3%Associates: 11%Bachelors: 6.7%Graduate: 65.3%Edu
No HS1.6%
HS Grad11.1%
Some College4.3%
Associates11.0%
Bachelors6.7%
Graduate65.3%
Housing & Income

Housing Tenure

Owner: 51.5%Renter: 48.5%Tenure
Owner51.5%
Renter48.5%

Home Value Distribution

Under $50k
1%
$50k–100k
1%
$100k–150k
2%
$150k–200k
2%
$200k–300k
2%
$300k–500k
20%
Over $500k
73%

Financials

Median HH Income$122,691 ▲ 61% above avg ↑ 12% since 2019
Median Home Value$687,200 ▲ 146% above avg ↑ 14% since 2019
Home/Income Ratio5.6x (nat avg ~3.5x)
Median Rent$2,277/mo ↑ 12% since 2019
Total Units22,468
Vacant Units1,337
Avg HH Size2.33

Income Distribution

Under $25k
10%
$25k–50k
8%
$50k–75k
10%
$75k–100k
12%
$100k–150k
21%
$150k–200k
14%
Over $200k
26%
Employment & Commute

How People Get to Work

Drove Alone
52%
Public Transit
12%
Walked
2%
Work From Home
34%

Commute Time

Under 15 min
20%
15–30 min
28%
30–45 min
26%
Over 45 min
25%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
13%
1960s–1970s
12%
1980s–1990s
22%
2000+
53%

Summary

Total Units22,468
Vacant1,337
Owner Occupied51.5%
Renter Occupied48.5%
Avg HH Size2.33
Frequently Asked Questions
ZIP code 20850 is in Rockville, MD, in Montgomery County.
ZIP code 20850 is located in Maryland (MD).
ZIP code 20850 is in Montgomery County, MD.
ZIP 20850 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 20850 is 50,365 people (ACS 2023).
The median household income in ZIP code 20850 is $122,691 (ACS 2023).
The median home value in ZIP 20850 is $687,200 (ACS 2023).
About ZIP Code 20850

ZIP code 20850 is located in Rockville, Maryland, within Montgomery County. With a population of 50,365, this is a highly populated ZIP code with a middle-aged community — the median age is 40.8 years. Economically, 20850 is a upper-middle-income ZIP code: the median household income of $122,691 is significantly above the national average.

Real estate in ZIP code 20850 represents a premium housing market. The median home value of $687,200 is more than double the national average. Renters can expect to pay around $2,277 per month in median rent. The area has a relatively balanced mix of owners (51.5%) and renters (48.5%). Median home values have increased by 14% since 2019.

The population of 20850 is racially diverse, with White as the largest group at 43.4%. Residents are highly educated — 72.0% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 7.0%. Household income has grown by 12% since 2019.

The unemployment rate in 20850 stands at 4.3%, which is near the national average. A notably high share of workers — 32% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 48%.

Overall, ZIP code 20850 in Rockville, MD is characterized as upper-middle-income, highly educated, and a middle-aged community. With 50,365 residents, a median household income of $122,691, and a median home value of $687,200, it offers a clear picture of life in this part of Maryland.