Centerbrook, CT · standard
ZIP Code 06409
Middlesex County, Connecticut - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 693
- 198/sq mi High-density area
- $107,909
- Median income Above-median income area
- $387,300
- Median home value Above-median home value
- 46.9%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Centerbrook pairs an upper-quartile household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 14%
- household income, US ZIPs
- Top 22%
- home value, US ZIPs
- 198
- people per sq mi
- 77%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 06409 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 06409 (Centerbrook, CT) fell -1.2% from 2023 to 2024.
ZIP code 06409 is a sparsely populated ZIP (a standard USPS delivery area) in Centerbrook, Middlesex County, Connecticut, home to just 693 residents across 3.5 square miles, a density of 198 people per square mile, in the New York time zone.
ZIP 06409 lands in the middle-income range, with a median household income of $107,909 (5% below the average Connecticut ZIP), while per-capita income is $51,560. Both reported hardship measures are comparatively low in absolute terms: poverty is 3.9% and unemployment is 0.7%. Median home value is $387,300 (11% below the average Connecticut ZIP) and median rent is $1,444; 77.3% of occupied homes are owner-occupied.
A solid share of residents have a four-year degree: 46.9% of adults hold a bachelor's degree or higher, the median age is 43, and the average commute is -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Middlesex County, so 06409 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 06409
Top 5 sectors by establishment count in Centerbrook, CT
Which industries have the most business establishments in ZIP 06409.
- Professional, scientific, and technical services
Professional, scientific, and technical services
14 establishments
- Health care and social assistance
Health care and social assistance
10 establishments
- Construction
Construction
8 establishments
- Retail trade
Retail trade
7 establishments
- Accommodation and food services
Accommodation and food services
6 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 06409, Centerbrook, 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
693
Population
3.5
Area (sq mi)
198
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 06409?
43.0
Median Age
50.1%
Male
49.9%
Female
10.8%
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?
$107,909
Median Household Income
-5% vs state ZIP avg
$51,560
Per Capita Income
3.9%
Poverty Rate
0.7%
Unemployment Rate
How ZIP 06409 ranks among Connecticut ZIPs
Centerbrook, 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)
$107,909 Top 49% higher than 51% 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
321housing units
321
Total Housing Units
321
Occupied Units
0
Vacant Units
2.18
Avg Household Size
Occupancy Type
$387,300
Median Home Value
-11% vs state ZIP avg
$1,444
Median Rent
1951
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 67 business establishments in ZIP 06409, employing approximately 749 people with a combined annual payroll of $52,429,000.
67
Businesses
749
Employees
$52.4M
Annual Payroll
10
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 14 | 20.9% |
| Health care and social assistance | 10 | 14.9% |
| Construction | 8 | 11.9% |
| Retail trade | 7 | 10.4% |
| Accommodation and food services | 6 | 9.0% |
| Wholesale trade | 5 | 7.5% |
| Administrative and support and waste management and remediation services | 4 | 6.0% |
| Manufacturing | 3 | 4.5% |
| Finance and insurance | 3 | 4.5% |
| Other services (except public administration) | 3 | 4.5% |
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 06409 vs 06426 →
ZIP 06409 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 06413
Clinton (06413)
13,235 residents
- 06475
Old Saybrook (06475)
10,242 residents
- 06371
Old Lyme (06371)
9,952 residents
- 06498
Westbrook (06498)
6,963 residents
- 06423 5,097
East Haddam (06423)
5,097 residents
- 06417 4,629
Deep River (06417)
4,629 residents
- 06412 3,994
Chester (06412)
3,994 residents
- 06426 3,245
Essex (06426)
3,245 residents
- 06442 2,745
Ivoryton (06442)
2,745 residents
What this shows Among its immediate neighbors, ZIP 06409 ranks #0 by population - useful context the national average alone can't give.
ZIP 06409 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 06371
Old Lyme (06371)
$132,045 median income
- 06413
Clinton (06413)
$124,824 median income
- 06438
Haddam (06438)
$121,429 median income
- 06475
Old Saybrook (06475)
$114,333 median income
- 06412
Chester (06412)
$109,191 median income
- 06409
Centerbrook (06409)
$107,909 median income
- 06423
East Haddam (06423)
$107,549 median income
- 06442
Ivoryton (06442)
$104,358 median income
- 06426
Essex (06426)
$103,705 median income
What this shows By household income, ZIP 06409 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 06426 | Essex, CT | 3,245 | 1.1 mi |
| 06442 | Ivoryton, CT | 2,745 | 1.4 mi |
| 06417 | Deep River, CT | 4,629 | 2.5 mi |
| 06475 | Old Saybrook, CT | 10,242 | 3.9 mi |
| 06498 | Westbrook, CT | 6,963 | 3.9 mi |
| 06371 | Old Lyme, CT | 9,952 | 4.9 mi |
| 06412 | Chester, CT | 3,994 | 5.0 mi |
| 06423 | East Haddam, CT | 5,097 | 8.2 mi |
| 06413 | Clinton, CT | 13,235 | 6.8 mi |
| 06438 | Haddam, CT | 2,550 | 8.5 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 06409, both outside CT so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Middlesex County
Related Areas
Frequently Asked Questions
What county is ZIP code 06409 in?
ZIP code 06409 (Centerbrook) is located in Middlesex County, Connecticut. Middlesex County contains multiple ZIP codes, see the full list at /counties/middlesex-ct.
What is the population of ZIP code 06409?
ZIP code 06409 in Centerbrook, CT has a population of 693 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 06409?
The median household income in ZIP 06409 is $107,909, which is 41% above the national average of $76,288.
What is the average home value in ZIP 06409?
The median home value in ZIP 06409 is $387,300, which is 39% above the national average of $278,155.
What is the demographic makeup of ZIP 06409?
The largest racial group in ZIP 06409 is White at 83.3%. Hispanic or Latino residents make up 4.0% of the population.
How many businesses are in ZIP code 06409?
ZIP code 06409 has 67 business establishments employing approximately 749 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 06409?
The top industries by establishment count in ZIP 06409 are: Professional, scientific, and technical services (14), Health care and social assistance (10), Construction (8). There are 10 industry sectors represented in total.
What is the education level in ZIP code 06409?
In ZIP code 06409, 72.5% of residents aged 25+ have a high school diploma or higher, and 46.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 06409?
In ZIP code 06409, approximately 77.3% of occupied housing units are owner-occupied and 22.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 06409?
The poverty rate in ZIP code 06409 is 3.9% 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 06409's numbers, next.
- See how ZIP 06409 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Centerbrook, 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.