Richest ZIP codes in Norwalk, CT

These are the 5 ZIP codes in Norwalk, CT with the highest median household income, out of 5 with at least 1,000 residents. 06853 (Norwalk, $250,000+), 06850 (Norwalk, $123,633) and 06851 (Norwalk, $111,341) lead the list. There is no single "best" ZIP code in Norwalk; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Richest ZIP codes in Norwalk

RankZIPMailing cityMedian household incomeResidentsHouseholdsResidential mailboxes
106853Norwalk$250,000+3,1711,2501,542
206850Norwalk$123,633 ±$14,41519,6928,1389,487
306851Norwalk$111,341 ±$6,73627,86511,34811,658
406855Norwalk$106,439 ±$9,4839,3513,5163,820
506854Norwalk$86,679 ±$12,38232,11811,76911,741

How we ranked them

Ranked by median household income (ACS 5-year estimates, 2020–2024). The Census Bureau caps published medians at $250,000; ZIP codes at the cap are shown as $250,000+ and ordered by population. ZIP codes need at least 1,000 residents to be ranked; 5 of 5 qualify.

Which of these to mail, and why

Higher-income ZIP codes suit offers with a bigger ticket: remodeling, pools, roofing, financial planning, private schools, premium dining. A median describes the middle household, not every door, so the routes inside each ZIP still vary.

The top five ZIP codes on this list hold 36,021 households, on 79 carrier routes with 38,248 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 06853 on the EDDM route map

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Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Norwalk has the highest median household income?
06853 (Norwalk), at $250,000+, among 5 ZIP codes with at least 1,000 residents.
How is this ranking calculated?
Ranked by median household income (ACS 5-year estimates, 2020–2024). The Census Bureau caps published medians at $250,000; ZIP codes at the cap are shown as $250,000+ and ordered by population.
Why are some ZIP codes missing?
ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.