Norwalk, CT · standard
ZIP Code 06855
Fairfield County, Connecticut - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 7,892
- 1,283/sq mi High-density area
- $106,439
- Median income Above-median income area
- $511,200
- Median home value Above-median home value
- 41.1%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Norwalk pairs an upper-quartile household income with upper-quartile home values, in a low-density, mixed-tenure area.
- Top 15%
- household income, US ZIPs
- Top 12%
- home value, US ZIPs
- 1,283
- people per sq mi
- 57%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 06855 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 06855 (Norwalk, CT) rose +23.8% from 2023 to 2024. The all-transactions index moved from 201.9 in 2023 to 250.0 in 2024 (2000 = 100).
ZIP code 06855 is a mid-sized community (a standard USPS delivery area) in Norwalk, Fairfield County, Connecticut, home to 7,892 residents across 6.2 square miles, a density of 1,283 people per square mile, in the New York time zone.
ZIP 06855 lands in the middle-income range, with a median household income of $106,439 (6% below the average Connecticut ZIP), while per-capita income is $60,829. The poverty rate is 5.2%, with unemployment at 7.9%; those measures add context to the income figure. Median home value is $511,200 (18% above the average Connecticut ZIP) and median rent is $1,919; 57.1% of occupied homes are owner-occupied.
A solid share of residents have a four-year degree: 41.1% of adults hold a bachelor's degree or higher, the median age is 39.6, and the average commute is 24 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Fairfield County, so 06855 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 06855
Top 5 sectors by establishment count in Norwalk, CT
Which industries have the most business establishments in ZIP 06855.
- Construction
Construction
44 establishments
- Accommodation and food services
Accommodation and food services
37 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
32 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
29 establishments
- Other services (except public administration)
Other services (except public administration)
25 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 06855, Norwalk, CT · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
7,892
Population
6.2
Area (sq mi)
1,283
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 06855?
39.6
Median Age
48.5%
Male
51.5%
Female
27.8%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$106,439
Median Household Income
-6% vs state ZIP avg
$60,829
Per Capita Income
5.2%
Poverty Rate
7.9%
Unemployment Rate
24.2 min
Mean Commute Time
How ZIP 06855 ranks among Connecticut ZIPs
Norwalk, CT household income vs. every Connecticut ZIP code
Median household income among 270 reporting Connecticut ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$106,439 48th percentile higher than 48% of 270 Connecticut ZIPs
Each bar is a $20K-wide band; taller bars hold more Connecticut ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
3,682housing units
3,682
Total Housing Units
3,516
Occupied Units
166
Vacant Units
2.65
Avg Household Size
Occupancy Type
$511,200
Median Home Value
+18% vs state ZIP avg
$1,919
Median Rent
1953
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+23.8%
YoY Change (2024)
250
HPI Index (2000 = 100)
+150%
Total Change Since 2000
Home values in ZIP 06855 have increased 23.8% over the past year (2024). Since 2000, this ZIP has seen +150% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | -1.2% | 158 |
| 2021 | +10.8% | 176 |
| 2022 | +9.3% | 192 |
| 2023 | +5.3% | 202 |
| 2024 | +23.8% | 250 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 265 business establishments in ZIP 06855, employing approximately 3,176 people with a combined annual payroll of $273,089,000.
265
Businesses
3,176
Employees
$273.1M
Annual Payroll
15
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 44 | 16.6% |
| Accommodation and food services | 37 | 14.0% |
| Administrative and support and waste management and remediation services | 32 | 12.1% |
| Professional, scientific, and technical services | 29 | 10.9% |
| Other services (except public administration) | 25 | 9.4% |
| Retail trade | 18 | 6.8% |
| Wholesale trade | 15 | 5.7% |
| Manufacturing | 13 | 4.9% |
| Health care and social assistance | 11 | 4.2% |
| Arts, entertainment, and recreation | 10 | 3.8% |
| Information | 8 | 3.0% |
| Finance and insurance | 6 | 2.3% |
| Transportation and warehousing | 5 | 1.9% |
| Real estate and rental and leasing | 5 | 1.9% |
| Management of companies and enterprises | 4 | 1.5% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 06855 vs 06854 →
ZIP 06855 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 06854
Norwalk (06854)
29,100 residents
- 06851
Norwalk (06851)
26,703 residents
- 06880
Westport (06880)
26,647 residents
- 06820
Darien (06820)
20,732 residents
- 06905
Stamford (06905)
19,649 residents
- 06850
Norwalk (06850)
18,078 residents
- 06906 9,088
Stamford (06906)
9,088 residents
- 06907 9,016
Stamford (06907)
9,016 residents
- 06855 7,892
Norwalk (06855)
7,892 residents
What this shows Among its immediate neighbors, ZIP 06855 ranks #9 by population - useful context the national average alone can't give.
ZIP 06855 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 06820
Darien (06820)
$250,000 median income
- 06853
Norwalk (06853)
$250,000 median income
- 06880
Westport (06880)
$250,000 median income
- 06905
Stamford (06905)
$136,757 median income
- 06850
Norwalk (06850)
$123,633 median income
- 06851
Norwalk (06851)
$111,341 median income
- 06855
Norwalk (06855)
$106,439 median income
- 06907
Stamford (06907)
$106,379 median income
- 06906 $93,675
Stamford (06906)
$93,675 median income
What this shows By household income, ZIP 06855 ranks #7 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 06854 | Norwalk, CT | 29,100 | 1.7 mi |
| 06856 | Norwalk, CT | 3 | 1.8 mi |
| 06851 | Norwalk, CT | 26,703 | 3.2 mi |
| 06853 | Norwalk, CT | 3,646 | 2.7 mi |
| 06850 | Norwalk, CT | 18,078 | 3.3 mi |
| 06820 | Darien, CT | 20,732 | 4.5 mi |
| 06880 | Westport, CT | 26,647 | 4.3 mi |
| 06907 | Stamford, CT | 9,016 | 6.4 mi |
| 06906 | Stamford, CT | 9,088 | 6.7 mi |
| 06905 | Stamford, CT | 19,649 | 7.6 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 06855, both outside CT so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (7,892 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Fairfield County
Related Areas
Frequently Asked Questions
What county is ZIP code 06855 in?
ZIP code 06855 (Norwalk) is located in Fairfield County, Connecticut. Fairfield County contains multiple ZIP codes, see the full list at /counties/fairfield-ct.
What is the population of ZIP code 06855?
ZIP code 06855 in Norwalk, CT has a population of 7,892 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 06855?
The median household income in ZIP 06855 is $106,439, which is 40% above the national average of $76,288.
What is the average home value in ZIP 06855?
The median home value in ZIP 06855 is $511,200, which is 84% above the national average of $278,155.
What is the demographic makeup of ZIP 06855?
The largest racial group in ZIP 06855 is White at 51.6%. Hispanic or Latino residents make up 22.5% of the population.
How many businesses are in ZIP code 06855?
ZIP code 06855 has 265 business establishments employing approximately 3,176 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 06855?
The top industries by establishment count in ZIP 06855 are: Construction (44), Accommodation and food services (37), Administrative and support and waste management and remediation services (32). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 06855?
According to the FHFA House Price Index, home values in ZIP 06855 increased by 23.8% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 150%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 06855?
In ZIP code 06855, 64.0% of residents aged 25+ have a high school diploma or higher, and 41.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 06855?
The mean commute time for workers in ZIP code 06855 is 24.2 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 06855?
In ZIP code 06855, approximately 57.1% of occupied housing units are owner-occupied and 42.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 06855?
The poverty rate in ZIP code 06855 is 5.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 06855's numbers, next.
- See how ZIP 06855 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Norwalk, CT ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.