ZIP 20850
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12-month history
Last updated: October 17, 2026
What the numbers show
January. Asking rents in ZIP 20850 usually run 1.4% below trend in January and 1.3% above it in July, about $67 a month apart at today's median. Based on 11 years of data.
Rent in ZIP 20850 is at its highest level since Zillow's records here began in January 2015.
Rent in ZIP 20850 changed +1.2% over the year to September 2026. Across the 124 Maryland ZIP codes Zillow tracks, the typical change was +2.6%.
From 2019 to 2024, rent in ZIP 20850 rose 22.4% while median household income rose 14.8% ($109,704 to $125,950). Rent outpaced income.
Rent in ZIP 20850 is 25.1% higher than in March 2020. Across the US, rent is up 37.3% over the same stretch.
Rent rose in 8 of the last 12 months.
30% of the median household income ($125,950) is $3,149 a month. That covers HUD's Fair Market Rent for up to a 2-bedroom ($2,740); a 3-bedroom is $3,460.
2nd cheapest of 3 ZIP codes in Rockville.
ZIP 20877, 3 miles away, rents for 17% less ($2,051/mo), about $5,000 a year in savings.
From Zillow's monthly rent index (ZORI) for ZIP 20850. The seasonal pattern compares Zillow’s seasonally adjusted and unadjusted series. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.
Who lives here
ZIP 20850 (Rockville, MD) is roughly split between renters and owners, has a large retiree population, has a median income above the national average, 67.5% of residents hold a bachelor's degree or higher.
Source: U.S. Census Bureau · ACS 2024 5-Year Estimates
How ZIP 20850 in Rockville, MD has changed in 5 years
Across the past five years, the going rent in ZIP 20850 in Rockville, MD has shifted from $1,958 to $2,467, up 26.0% since 2021. On the earnings side, the typical household in ZIP 20850 in Rockville, MD now reports about $125,950, up from $117,093 in 2021. Because rent grew faster than wages over the same span, the affordability picture has tightened relative to 2021. Census counts show ZIP 20850 in Rockville, MD losing about 1,354 residents over the five-year window, down 2.6% on net. The renter share has risen from 46.2% to 49.7%, with owner-occupied housing accounting for the remainder. For context, the 2021 to 2026 window covers an unusually volatile run for US rents nationally, and ZIP 20850 in Rockville, MD reflects that arc in its own way.
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Tips for renters in ZIP 20850
Last updated: October 17, 2026
ZIP code 20850 covers Rockville, MD. The median rent here is $2,467/mo as of October 2026. A 1-bedroom rents for a median of $2,460/mo. A 2-bedroom rents for a median of $2,740/mo.
At 24% of local median household income ($125,950/yr), ZIP 20850 ranks as affordable compared to the national benchmark of 30%. Rents have increased 1.2% over the past year.
Frequently asked questions
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How does ZIP 20850 compare to other ZIPs in Maryland?
How does ZIP 20850 compare to the rest of Rockville?
At $2,467/mo, rent takes ~24% of ZIP 20850's median household income ($125,950/yr). The standard benchmark is 30%.
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