US ZIP Code
06455

Middlefield, CT

Lower Connecticut River Valley County  ·  Connecticut

● Active
👥 2,592 Population ↓ 16% since 2019
💰 $114,500 Median HH Income
▲ 50% above avg ↑ 6% since 2019
🎂 51.1 Median Age ↑ 2% since 2019
🏠 $392,500 Median Home Value
▲ 41% above avg ↑ 38% since 2019
🎓 52.8% College Grads
▲ 36% above avg
📊 1.9% Unemployment
▼ 61% below avg ↓ 35% since 2019
ZIP Code Details
ZIP Code06455
CityMiddlefield
StateConnecticut (CT)
CountyLower Connecticut River Valley County
Area Code203/475
Elevation191 ft
Latitude41.514163
Longitude-72.717844
TimezoneNew York (DST)
FIPS09130
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 54.6% (1,415) Female 45.4% (1,177) ♀

Race & Ethnicity

White: 86.7%Hispanic: 4.4%Black: 0.4%Asian: 5.2%Other: 2.6%Race
White86.7%
Hispanic4.4%
Black0.4%
Asian5.2%
Other2.6%

Age Breakdown

Under 5
3%
5–17
12%
18–24
4%
25–44
19%
45–64
42%
65+
8%

Key Indicators

Median Age51.1 yrs ↑ 2% since 2019
Avg Household Size2.36
Below Poverty3.0% ▼ 70% below avg
College Grads52.8% ▲ 36% above avg
Unemployment1.9% ▼ 61% below avg
No HS Diploma20 (1%)
HS Graduate625 (30.7%)
Some College105 (5.2%)
Associates210 (10.3%)
Bachelors139 (6.8%)
Graduate Degree935 (46%)

Education

No HS: 1%HS Grad: 30.7%Some College: 5.2%Associates: 10.3%Bachelors: 6.8%Graduate: 46%Edu
No HS1.0%
HS Grad30.7%
Some College5.2%
Associates10.3%
Bachelors6.8%
Graduate46.0%
Housing & Income

Housing Tenure

Owner: 93.9%Renter: 6.1%Tenure
Owner93.9%
Renter6.1%

Home Value Distribution

$50k–100k
1%
$100k–150k
1%
$150k–200k
6%
$200k–300k
23%
$300k–500k
45%
Over $500k
25%

Financials

Median HH Income$114,500 ▲ 50% above avg ↑ 6% since 2019
Median Home Value$392,500 ▲ 41% above avg ↑ 38% since 2019
Home/Income Ratio3.4x (nat avg ~3.5x)
Median Rent$1,110/mo ↓ 19% since 2019
Total Units1,235
Vacant Units141
Avg HH Size2.36

Income Distribution

Under $25k
6%
$25k–50k
7%
$50k–75k
16%
$75k–100k
13%
$100k–150k
20%
$150k–200k
13%
Over $200k
25%
Employment & Commute

How People Get to Work

Drove Alone
84%
Public Transit
2%
Walked
1%
Work From Home
13%

Commute Time

Under 15 min
26%
15–30 min
37%
30–45 min
22%
Over 45 min
14%
Housing Stock

Year Built

Before 1940
5%
1940s–1950s
13%
1960s–1970s
11%
1980s–1990s
12%
2000+
59%

Summary

Total Units1,235
Vacant141
Owner Occupied93.9%
Renter Occupied6.1%
Avg HH Size2.36
Frequently Asked Questions
ZIP code 06455 is in Middlefield, CT, in Lower Connecticut River Valley County.
ZIP code 06455 is located in Connecticut (CT).
ZIP code 06455 is in Lower Connecticut River Valley County, CT.
ZIP 06455 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 06455 is 2,592 people (ACS 2023).
The median household income in ZIP code 06455 is $114,500 (ACS 2023).
The median home value in ZIP 06455 is $392,500 (ACS 2023).
About ZIP Code 06455

ZIP code 06455 is located in Middlefield, Connecticut, within Lower Connecticut River Valley County. With a population of 2,592, this is a sparsely populated ZIP code with a mature community — the median age is 51.1 years. Economically, 06455 is a upper-middle-income ZIP code: the median household income of $114,500 is significantly above the national average.

Real estate in ZIP code 06455 represents a mid-range housing market. The median home value of $392,500 is above the national average. Renters can expect to pay around $1,110 per month in median rent. Homeownership is strong here — 93.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 38% since 2019.

The population of 06455 is primarily White (86.69%). Residents are well-educated — 52.8% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 3.0%. Household income has grown by 6% since 2019.

The unemployment rate in 06455 stands at 1.9%, which is well below the national average. About 12% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 79%.

Overall, ZIP code 06455 in Middlefield, CT is characterized as upper-middle-income, well-educated, a mature community, and predominantly owner-occupied. With 2,592 residents, a median household income of $114,500, and a median home value of $392,500, it offers a clear picture of life in this part of Connecticut.