Norwalk, CT 06851 ZIP Code Profile

Related Place Profiles:
Norwalk, CT

ZIP Code 06851: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Norwalk, CT 06851

  • ZIP Code Type: STANDARD
  • County: Fairfield County
  • Centroid: Latitude 41.133, Longitude -73.403
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1,230
  • PO Box Addresses: 0
  • Residential Addresses: 11,194
    • Multi-Family Addresses: 2,222
    • Single Family Addresses: 8,972

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.

Jump to... (On This Page!)
  1. 06851 2018 Demographic Data
  2. Growth Rates for 06851 (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Connecticut Research Tools (Easy Tools & Current Data)
  3. Connecticut Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Norwalk, CT 06851 Data & Demographics (As of July 1, 2018)


Total Population 27,944
Population in Households 27,661
Population in Familes 22,029
Population in Group Qrtrs 283
Population Density2 3,612
Diversity Index3 65


Median Household Income $92,912
Average Household Income $123,495
Per Capita Income $48,478


Total Housing Units 11,596 (100%)
Owner Occupied HU 7,456 (64.3%)
Renter Occupied HU 3,453 (29.8%)
Vacant Housing Units 687 ( 5.9%)
Median Home Value $447,969
Average Home Value $494,977


Total Households 10,909
Average Household Size 2.54
Family Households 6,881
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population 0.59% 0.51%
Households 0.47% 0.44%
Families 0.36% 0.39%
Median Household Income   2.36%
Per Capita Income   2.91%

Norwalk, CT 06851 - Peer Comparisons by Rank and Percentile

The table below compares 06851 to the other 274 ZIP Codes in Connecticut by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 36 87th
Population Density # 36 87th
Diversity Index # 48 83rd
Median Household Income # 89 68th
Per Capita Income # 86 69th

Additional comparisons and rankings can be made with a VERY EASY TO USE Connecticut Census Data Comparison Tool.

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