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US ZIP Code Profile

ZIP Code 06853
Norwalk, Connecticut

ZIP code 06853 is in Norwalk, located in Fairfield County, Connecticut, within the Bridgeport-Stamford-Norwalk metro area. Its 2020 Census population was 3,797. The estimated median adjusted gross income per tax return is $185,000, and about 48% of filers report $200,000 or more.

2020 Population
3,797
Census ZCTA
County
Fairfield
FIPS 09001
Median income (est.)
$185,000
IRS SOI 2022
Land Area
1.197 mi²
+ 0.408 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityNorwalk, CT
CountyFairfield County (FIPS 09001)
StateConnecticut (FIPS 09)
Metro Area (MSA)Bridgeport-Stamford-Norwalk, CT Metro Area (14860)
Census Region / DivisionNortheast Region · New England Division
Coordinates41.066116, -73.438
Land / Water Area1.197 mi² land · 0.408 mi² water

02Income & Economics

Distribution of the 1,830 individual tax returns filed in 06853 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
16.9%
$25K–$50K
7.6%
$50K–$75K
5.5%
$75K–$100K
6.0%
$100K–$200K
16.4%
$200K+
47.5%
The $200,000+ bracket accounts for 93% of 06853's total adjusted gross income, from 48% of returns — a concentration that drives the gap between the median ($185,000) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 06853's IRS income metrics, 2020–2022.

Median income (2021→2022)
$185,000
▼ 2.1%
Filers earning $200K+
47.5%
▼ 0.8 pt
Total filers
1,830
▲ 2.8%
GET /zipc/v2/zipcodes/06853/soi?year=… $159K 2020 $189K 2021 $185K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 06853 ZCTA.

2000
3,466
 
2010
3,646
▲ +5.2%
2020
3,797
▲ +4.1%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 06853. Powered by the same radius endpoint developers call from the API.

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ZIP codes within range of 06853

Norwalk and its immediate neighbors, sorted by distance.

3 mi
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Distance from 06853 to any ZIP

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06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number085406
City AliasesNorwalk, Rowayton

07Frequently Asked Questions

What county is ZIP code 06853 in?

ZIP code 06853 is in Fairfield County, Connecticut (county FIPS code 09001).

What city is ZIP code 06853?

The primary USPS city for 06853 is Norwalk, CT.

What metro area (MSA) is 06853 in?

06853 is part of the Bridgeport-Stamford-Norwalk, CT Metro Area (MSA code 14860).

What is the population of ZIP code 06853?

The 2020 Census population of 06853 was 3,797 residents.

What is the median income in ZIP code 06853?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 06853 is about $185,000, with around 48% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.