Old Saybrook, CT · standard
ZIP Code 06475
Middlesex County, Connecticut - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 10,242
- 263/sq mi High-density area
- $114,333
- Median income Above-median income area
- $538,200
- Median home value Above-median home value
- 57.8%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Old Saybrook pairs an upper-quartile household income with upper-quartile home values, in a low-density, homeowner-dominated area.
- Top 12%
- household income, US ZIPs
- Top 12%
- home value, US ZIPs
- 263
- people per sq mi
- 85%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 06475 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 06475 (Old Saybrook, CT) rose +9.3% from 2023 to 2024. The all-transactions index moved from 267.4 in 2023 to 292.3 in 2024 (2000 = 100).
ZIP code 06475 is a mid-sized community (a standard USPS delivery area) in Old Saybrook, Middlesex County, Connecticut, home to 10,242 residents across 39.0 square miles, a density of 263 people per square mile, in the New York time zone.
ZIP 06475 skews affluent, with a median household income of $114,333 (1% above the average Connecticut ZIP), while per-capita income is $76,905. Both reported hardship measures are comparatively low in absolute terms: poverty is 5.0% and unemployment is 2.9%. Housing is both higher-cost and owner-heavy: median home value is $538,200 (24% above the average Connecticut ZIP), while 85.3% of occupied homes are owner-occupied and median rent is $1,846.
This is a highly-educated ZIP: 57.8% of adults hold a bachelor's degree or higher, the median age is 57.4, and the average commute is 29 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Middlesex County, so 06475 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 06475
Top 5 sectors by establishment count in Old Saybrook, CT
Which industries have the most business establishments in ZIP 06475.
- Retail trade
Retail trade
110 establishments
- Health care and social assistance
Health care and social assistance
61 establishments
- Accommodation and food services
Accommodation and food services
60 establishments
- Other services (except public administration)
Other services (except public administration)
58 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
44 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 06475, Old Saybrook, 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
10,242
Population
39.0
Area (sq mi)
263
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 06475?
57.4
Median Age
46.7%
Male
53.3%
Female
6.7%
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?
$114,333
Median Household Income
+1% vs state ZIP avg
$76,905
Per Capita Income
5.0%
Poverty Rate
2.9%
Unemployment Rate
28.6 min
Mean Commute Time
How ZIP 06475 ranks among Connecticut ZIPs
Old Saybrook, 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)
$114,333 Top 41% higher than 59% 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
5,985housing units
5,985
Total Housing Units
4,672
Occupied Units
1,313
Vacant Units
2.23
Avg Household Size
Occupancy Type
$538,200
Median Home Value
+24% vs state ZIP avg
$1,846
Median Rent
1967
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
+9.3%
YoY Change (2024)
292
HPI Index (2000 = 100)
+192%
Total Change Since 2000
Home values in ZIP 06475 have increased 9.3% over the past year (2024). Since 2000, this ZIP has seen +192% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +2.6% | 172 |
| 2021 | +16.7% | 201 |
| 2022 | +15.8% | 233 |
| 2023 | +14.9% | 267 |
| 2024 | +9.3% | 292 |
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 522 business establishments in ZIP 06475, employing approximately 5,206 people with a combined annual payroll of $302,455,000.
522
Businesses
5,206
Employees
$302.5M
Annual Payroll
15
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 110 | 21.1% |
| Health care and social assistance | 61 | 11.7% |
| Accommodation and food services | 60 | 11.5% |
| Other services (except public administration) | 58 | 11.1% |
| Professional, scientific, and technical services | 44 | 8.4% |
| Construction | 37 | 7.1% |
| Administrative and support and waste management and remediation services | 29 | 5.6% |
| Finance and insurance | 24 | 4.6% |
| Wholesale trade | 22 | 4.2% |
| Manufacturing | 20 | 3.8% |
| Real estate and rental and leasing | 19 | 3.6% |
| Arts, entertainment, and recreation | 15 | 2.9% |
| Transportation and warehousing | 9 | 1.7% |
| Information | 8 | 1.5% |
| Educational services | 4 | 0.8% |
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 06475 vs 06426 →
ZIP 06475 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
- 06333
East Lyme (06333)
6,607 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 06475 ranks #2 by population - useful context the national average alone can't give.
ZIP 06475 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 06376
South Lyme (06376)
$156,000 median income
- 06371
Old Lyme (06371)
$132,045 median income
- 06333
East Lyme (06333)
$129,083 median income
- 06413
Clinton (06413)
$124,824 median income
- 06475
Old Saybrook (06475)
$114,333 median income
- 06412
Chester (06412)
$109,191 median income
- 06409
Centerbrook (06409)
$107,909 median income
- 06442
Ivoryton (06442)
$104,358 median income
- 06426
Essex (06426)
$103,705 median income
What this shows By household income, ZIP 06475 ranks #5 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 | 3.6 mi |
| 06409 | Centerbrook, CT | 693 | 3.9 mi |
| 06498 | Westbrook, CT | 6,963 | 4.2 mi |
| 06442 | Ivoryton, CT | 2,745 | 4.2 mi |
| 06371 | Old Lyme, CT | 9,952 | 5.3 mi |
| 06376 | South Lyme, CT | 57 | 6.9 mi |
| 06417 | Deep River, CT | 4,629 | 6.1 mi |
| 06413 | Clinton, CT | 13,235 | 7.5 mi |
| 06412 | Chester, CT | 3,994 | 8.8 mi |
| 06333 | East Lyme, CT | 6,607 | 9.3 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 06475, 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 (10,242 here; floor ≥1,000).
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 06475 in?
ZIP code 06475 (Old Saybrook) 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 06475?
ZIP code 06475 in Old Saybrook, CT has a population of 10,242 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 06475?
The median household income in ZIP 06475 is $114,333, which is 50% above the national average of $76,288.
What is the average home value in ZIP 06475?
The median home value in ZIP 06475 is $538,200, which is 93% above the national average of $278,155.
What is the demographic makeup of ZIP 06475?
The largest racial group in ZIP 06475 is White at 90.3%. Hispanic or Latino residents make up 5.3% of the population.
How many businesses are in ZIP code 06475?
ZIP code 06475 has 522 business establishments employing approximately 5,206 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 06475?
The top industries by establishment count in ZIP 06475 are: Retail trade (110), Health care and social assistance (61), Accommodation and food services (60). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 06475?
According to the FHFA House Price Index, home values in ZIP 06475 increased by 9.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 192%. 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 06475?
In ZIP code 06475, 73.8% of residents aged 25+ have a high school diploma or higher, and 57.8% 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 06475?
The mean commute time for workers in ZIP code 06475 is 28.6 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 06475?
In ZIP code 06475, approximately 85.3% of occupied housing units are owner-occupied and 14.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 06475?
The poverty rate in ZIP code 06475 is 5.0% 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 06475's numbers, next.
- See how ZIP 06475 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Old Saybrook, 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.