ZIP code
06855
Norwalk, CT
06855 covers Norwalk in Fairfield County, with 8,028 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 06855. Methodology
ZIP code map of 06855

About ZIP code 06855
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 06855. Not ACS. Methodology
People in 06855
Race
- White5,000
- Black or African American736
- American Indian or Alaska Native48
- Asian337
- Native Hawaiian and Pacific Islander4
- Other race1,174
- Two or more races1,081
Hispanic or Latino (any race): 2,405
Age
- Under 10840
- 10 to 19920
- 20 to 29989
- 30 to 391,310
- 40 to 491,040
- 50 to 591,229
- 60 to 691,035
- 70 to 79597
- 80 and older420
Income and housing in 06855
Education
- High school graduate87.9%
- Bachelor's degree42.5%
- Graduate degree15.7%
Places covering 06855
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Fairfield County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
0.0% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 06855
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 6,730 | |
| 2006 | 6,642 | |
| 2007 | 6,959 | |
| 2008 | 6,775 | |
| 2009 | 6,784 | |
| 2010 | 6,982 | |
| 2011 | 7,245 | 6,931 |
| 2012 | 7,047 | 7,220 |
| 2013 | 7,071 | 7,330 |
| 2014 | 7,254 | 7,440 |
| 2015 | 7,694 | 7,550 |
| 2016 | 7,984 | 7,220 |
| 2017 | 8,166 | 7,230 |
| 2018 | 8,528 | 7,210 |
| 2019 | 8,540 | 7,360 |
| 2020 | 8,506 | 7,400 |
| 2021 | 8,449 | 7,270 |
| 2022 | 8,085 | 7,280 |
| 2023 | 8,028 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 06855
12 nearest ZIP centroids (any distance)
- 06854Norwalk2.4 miPop 31,753 · Income $86,399
- 06853Norwalk2.5 miPop 3,229 · Income $250,000+
- 06851Norwalk4.6 miPop 28,591 · Income $106,978
- 06820Darien4.7 miPop 21,683 · Income $250,000+
- 06850Norwalk4.8 miPop 19,774 · Income $121,910
- 06880Westport5.5 miPop 27,364 · Income $250,000+
- 06906Stamford6.9 miPop 9,472 · Income $91,710
- 06828Fairfield7.0 miPop — · Income —
- 06907Stamford7.1 miPop 9,071 · Income $104,526
- 06890Southport7.5 miPop 4,566 · Income $214,523
- 06901Stamford7.8 miPop 10,506 · Income $87,524
- 06905Stamford8.1 miPop 20,126 · Income $132,730
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 06855, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 06855 FAQ
- What city is ZIP code 06855 in?
- 06855 is in Norwalk, CT.
- What county is 06855 in?
- 06855 is in Fairfield County.
- What is the median household income in 06855?
- The median household income in 06855 is $102,247.
- Which ZIP codes are near 06855?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 06855.