ZIP 06851
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12-month history
Last updated: October 17, 2026
What the numbers show
January. Asking rents in ZIP 06851 usually run 0.6% below trend in January and 0.5% above it in June, about $29 a month apart at today's median. Based on 8 years of data.
Rent in ZIP 06851 is at its highest level since Zillow's records here began in November 2017.
Rent in ZIP 06851 changed +1.8% over the year to September 2026. Across the 64 Connecticut ZIP codes Zillow tracks, the typical change was +3.7%.
From 2019 to 2024, rent in ZIP 06851 rose 33.3% while median household income rose 15.1% ($96,769 to $111,341). Rent outpaced income.
Rent in ZIP 06851 is 39.6% higher than in March 2020. Across the US, rent is up 37.3% over the same stretch.
Rent rose in 5 of the last 12 months.
30% of the median household income ($111,341) is $2,784 a month. That covers HUD's Fair Market Rent for up to a 2-bedroom ($2,440); a 3-bedroom is $2,950.
1st cheapest of 4 ZIP codes in Norwalk.
ZIP 06605, 10 miles away, rents for 21% less ($2,089/mo), about $6,700 a year in savings.
From Zillow's monthly rent index (ZORI) for ZIP 06851. 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 06851 (Norwalk, CT) is majority owner-occupied, has a median income above the national average, 46.4% of residents hold a bachelor's degree or higher.
Source: U.S. Census Bureau · ACS 2024 5-Year Estimates
How ZIP 06851 in Norwalk, CT has changed in 5 years
Rent in ZIP 06851 in Norwalk, CT has climbed 28.1% since 2021, going from about $2,064 per month to roughly $2,645 today. Median household income grew from $96,522 to $111,341 between 2021 and 2024, a 15.4% shift. Rent outpaced income growth by roughly 12.7 percentage points, which means renters are spending a larger slice of each paycheck on housing than they did in 2021. Headcount in the area went from 28,756 to 27,865 between 2021 and 2024, a 3.1% change. About 38.4% of households rent today, against 36.6% in 2021. Educational attainment has shifted as well, with the share of adults holding a bachelor's degree or higher climbed from 42.7% to 46.4%. Taken together, the five-year picture in ZIP 06851 in Norwalk, CT reflects how housing costs and the people paying them have evolved through a stretch that included a pandemic, a hot rental market, and a recent cooling phase.
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Tips for renters in ZIP 06851
Last updated: October 17, 2026
ZIP code 06851 covers Norwalk, CT. The median rent here is $2,645/mo as of October 2026. A 1-bedroom rents for a median of $2,040/mo. A 2-bedroom rents for a median of $2,440/mo.
At 29% of local median household income ($111,341/yr), ZIP 06851 ranks as affordable compared to the national benchmark of 30%. Rents have increased 1.8% over the past year.
Frequently asked questions
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How does ZIP 06851 compare to the rest of Norwalk?
At $2,645/mo, rent takes ~29% of ZIP 06851's median household income ($111,341/yr). The standard benchmark is 30%.
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