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
- $106,439
- Median income
- $511,200
- Median home value
- 41.1%
- Bachelor's or higher
The verdict
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.
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 Connecticut average), while per-capita income is $60,829. Poverty here runs at 5.2%, with unemployment measured at 7.9%. The typical home here is valued at $511,200 (18% above the state average); renters pay a median of $1,919 monthly, and 57.1% of units 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. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 06855, plus 6 more within Fairfield County, give a clearer read than the national average alone.
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
$60,829
Per Capita Income
5.2%
Poverty Rate
7.9%
Unemployment Rate
24.2 min
Mean Commute Time
How ZIP 06855 ranks nationally
Norwalk, CT household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$106,439 Top 15% higher than 85% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US 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?
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
$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)
$250,001 median income
- 06853
Norwalk (06853)
$250,001 median income
- 06880
Westport (06880)
$250,001 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 |
More ZIP Codes in Fairfield County
Related Areas
Frequently Asked Questions
What county is ZIP code 06855 in? ▼
What is the population of ZIP code 06855? ▼
What is the median household income in ZIP 06855? ▼
What is the average home value in ZIP 06855? ▼
What is the demographic makeup of ZIP 06855? ▼
How many businesses are in ZIP code 06855? ▼
What are the main industries in ZIP code 06855? ▼
How have home values changed in ZIP code 06855? ▼
What is the education level in ZIP code 06855? ▼
What is the average commute time in ZIP 06855? ▼
What percentage of residents own vs. rent in ZIP 06855? ▼
What is the poverty rate in ZIP code 06855? ▼
Read our methodology to see how this data is sourced, computed, and verified.