Middlefield, CT · standard
ZIP Code 06455
Middlesex County, Connecticut - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 3,148
- 112/sq mi High-density area
- $104,180
- Median income Above-median income area
- $388,700
- Median home value Above-median home value
- 43.3%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Middlefield pairs an upper-quartile household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 16%
- household income, US ZIPs
- Top 22%
- home value, US ZIPs
- 112
- people per sq mi
- 95%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 06455 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 06455 (Middlefield, CT) rose +5.9% from 2023 to 2024. The all-transactions index moved from 189.1 in 2023 to 200.2 in 2024 (2000 = 100).
ZIP code 06455 covers 28.1 square miles in Middlefield, Middlesex County, Connecticut (a standard USPS delivery area), with a modest 3,148 residents on file, a density of 112 people per square mile, in the New York time zone.
ZIP 06455 lands in the middle-income range, with a median household income of $104,180 (8% below the average Connecticut ZIP), while per-capita income is $69,006. The poverty rate is 3.9%, with unemployment at 4.3%; those measures add context to the income figure. Median home value is $388,700 (10% below the average Connecticut ZIP) and median rent is $1,773; 95.3% of occupied homes are owner-occupied.
A solid share of residents have a four-year degree: 43.3% of adults hold a bachelor's degree or higher, the median age is 52.8, and the average commute is 25 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Middlesex County, so 06455 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 06455
Top 5 sectors by establishment count in Middlefield, CT
Which industries have the most business establishments in ZIP 06455.
- Construction
Construction
19 establishments
- Manufacturing
Manufacturing
9 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
9 establishments
- Health care and social assistance
Health care and social assistance
9 establishments
- Other services (except public administration)
Other services (except public administration)
9 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 06455, Middlefield, 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
3,148
Population
28.1
Area (sq mi)
112
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 06455?
52.8
Median Age
52.3%
Male
47.7%
Female
6.0%
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?
$104,180
Median Household Income
-8% vs state ZIP avg
$69,006
Per Capita Income
3.9%
Poverty Rate
4.3%
Unemployment Rate
25.0 min
Mean Commute Time
How ZIP 06455 ranks among Connecticut ZIPs
Middlefield, 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)
$104,180 41st percentile higher than 41% 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
1,342housing units
1,342
Total Housing Units
1,153
Occupied Units
189
Vacant Units
2.14
Avg Household Size
Occupancy Type
$388,700
Median Home Value
-10% vs state ZIP avg
$1,773
Median Rent
1963
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
+5.9%
YoY Change (2024)
200
HPI Index (2000 = 100)
+100%
Total Change Since 2000
Home values in ZIP 06455 have increased 5.9% over the past year (2024). Since 2000, this ZIP has seen +100% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +2.9% | 141 |
| 2021 | +12.6% | 159 |
| 2022 | +14.4% | 182 |
| 2023 | +3.7% | 189 |
| 2024 | +5.9% | 200 |
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 94 business establishments in ZIP 06455, employing approximately 1,271 people with a combined annual payroll of $92,619,000.
94
Businesses
1,271
Employees
$92.6M
Annual Payroll
11
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 19 | 20.2% |
| Manufacturing | 9 | 9.6% |
| Professional, scientific, and technical services | 9 | 9.6% |
| Health care and social assistance | 9 | 9.6% |
| Other services (except public administration) | 9 | 9.6% |
| Retail trade | 8 | 8.5% |
| Administrative and support and waste management and remediation services | 6 | 6.4% |
| Accommodation and food services | 6 | 6.4% |
| Finance and insurance | 5 | 5.3% |
| Wholesale trade | 4 | 4.3% |
| Educational services | 3 | 3.2% |
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 06455 vs 06481 →
ZIP 06455 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 06457
Middletown (06457)
47,648 residents
- 06492
Wallingford (06492)
45,241 residents
- 06450
Meriden (06450)
36,493 residents
- 06451
Meriden (06451)
24,419 residents
- 06037 18,565
Berlin (06037)
18,565 residents
- 06416 14,005
Cromwell (06416)
14,005 residents
- 06422 7,388
Durham (06422)
7,388 residents
- 06441 5,438
Higganum (06441)
5,438 residents
- 06455 3,148
Middlefield (06455)
3,148 residents
What this shows Among its immediate neighbors, ZIP 06455 ranks #9 by population - useful context the national average alone can't give.
ZIP 06455 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 06422
Durham (06422)
$158,857 median income
- 06037
Berlin (06037)
$116,042 median income
- 06441
Higganum (06441)
$111,250 median income
- 06416
Cromwell (06416)
$110,596 median income
- 06492
Wallingford (06492)
$105,061 median income
- 06455
Middlefield (06455)
$104,180 median income
- 06023
East Berlin (06023)
$100,317 median income
- 06481
Rockfall (06481)
$84,674 median income
- 06457
Middletown (06457)
$79,463 median income
What this shows By household income, ZIP 06455 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 06481 | Rockfall, CT | 1,277 | 1.6 mi |
| 06450 | Meriden, CT | 36,493 | 3.2 mi |
| 06422 | Durham, CT | 7,388 | 4.1 mi |
| 06457 | Middletown, CT | 47,648 | 3.9 mi |
| 06023 | East Berlin, CT | 1,296 | 6.8 mi |
| 06451 | Meriden, CT | 24,419 | 5.8 mi |
| 06492 | Wallingford, CT | 45,241 | 5.9 mi |
| 06416 | Cromwell, CT | 14,005 | 7.4 mi |
| 06037 | Berlin, CT | 18,565 | 7.4 mi |
| 06441 | Higganum, CT | 5,438 | 8.0 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 06455, 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 (3,148 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 06455 in?
ZIP code 06455 (Middlefield) 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 06455?
ZIP code 06455 in Middlefield, CT has a population of 3,148 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 06455?
The median household income in ZIP 06455 is $104,180, which is 37% above the national average of $76,288.
What is the average home value in ZIP 06455?
The median home value in ZIP 06455 is $388,700, which is 40% above the national average of $278,155.
What is the demographic makeup of ZIP 06455?
The largest racial group in ZIP 06455 is White at 89.3%. Hispanic or Latino residents make up 3.7% of the population.
How many businesses are in ZIP code 06455?
ZIP code 06455 has 94 business establishments employing approximately 1,271 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 06455?
The top industries by establishment count in ZIP 06455 are: Construction (19), Manufacturing (9), Professional, scientific, and technical services (9). There are 11 industry sectors represented in total.
How have home values changed in ZIP code 06455?
According to the FHFA House Price Index, home values in ZIP 06455 increased by 5.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 100%. 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 06455?
In ZIP code 06455, 73.4% of residents aged 25+ have a high school diploma or higher, and 43.3% 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 06455?
The mean commute time for workers in ZIP code 06455 is 25.0 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 06455?
In ZIP code 06455, approximately 95.3% of occupied housing units are owner-occupied and 4.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 06455?
The poverty rate in ZIP code 06455 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 06455's numbers, next.
- See how ZIP 06455 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Middlefield, 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.