ZIP codes
2
Rockville, MD Demographics & ZIP Codes
Rockville, Maryland demographics and median household income by ZIP code (in Montgomery County) — 2 ZIP codes — population 65,025 — median income $118,321 — avg. home value $605,500. Compare income, housing, and population across ZIP codes on US5.
Population
65,025
Median household income (avg.)
$118,321
157% of U.S. median
Average home value
$605,500
174% of U.S. median
Average rent
$1,991
171% of U.S. median
Median age (avg.)
39.7
Rockville demographics
Rockville, Maryland covers 2 ZIP codes primarily in Montgomery County, with a combined ZIP-area population of about 65,025.
Across ZIP codes with age data, the average median age is about 39.7 years.
Median household income in Rockville
The average median household income across ZIP codes in Rockville, Maryland is about $118,321 — about 6% above the MD ZIP average ($111,660), and about 57% above the U.S. median ($75,149).
Among ZIPs with income data, 20850 is near the top at about $122,691, while 20851 is near the bottom at about $113,951.
Housing in Rockville
For housing in Rockville, Maryland, the average median home value is about $605,500 and the average median rent is about $1,991.
The most populous ZIP in this set is 20850 (about 50,365 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Rockville
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 20850 | Rockville | Montgomery County | MD | 50,365 | $122,691 | $687,200 |
| 20851 | Rockville | Montgomery County | MD | 14,660 | $113,951 | $523,800 |
Frequently asked questions
What are the demographics of Rockville?
Rockville, Maryland has a combined ZIP-area population of about 65,025 across 2 ZIP codes (primarily Montgomery County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Rockville?
The average median household income across ZIP codes in Rockville, Maryland is about $118,321, about 6% above the state ZIP average ($111,660), and about 57% above the U.S. median ($75,149). Average median home value is about $605,500. Among ZIPs with data, 20850 is near the top ($122,691) and 20851 is near the bottom ($113,951).
How many ZIP codes are in Rockville?
Rockville, Maryland includes 2 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Rockville?
This page lists ZIP codes in Rockville, Maryland with population, median household income, and home value. Select a ZIP for a full demographics profile.