US ZIP Code
06437

Guilford, CT

South Central Regional County  ·  Connecticut

● Active
👥 22,037 Population
💰 $130,036 Median HH Income
▲ 70% above avg ↑ 16% since 2019
🎂 50.7 Median Age ↑ 4% since 2019
🏠 $491,300 Median Home Value
▲ 76% above avg ↑ 23% since 2019
🎓 64.3% College Grads
▲ 66% above avg
📊 5.0% Unemployment
≈ Avg ↑ 29% since 2019
ZIP Code Details
ZIP Code06437
CityGuilford
StateConnecticut (CT)
CountySouth Central Regional County
Area Code203/475
Elevation101 ft
Latitude41.331777
Longitude-72.696816
TimezoneNew York (DST)
FIPS09170
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.1% (11,047) Female 49.9% (10,990) ♀

Race & Ethnicity

White: 86.6%Hispanic: 4.4%Black: 1.6%Asian: 2.8%Other: 3.6%Race
White86.6%
Hispanic4.4%
Black1.6%
Asian2.8%
Other3.6%

Age Breakdown

Under 5
4%
5–17
18%
18–24
6%
25–44
16%
45–64
31%
65+
11%

Key Indicators

Median Age50.7 yrs ↑ 4% since 2019
Avg Household Size2.49
Below Poverty3.1% ▼ 69% below avg
College Grads64.3% ▲ 66% above avg
Unemployment5.0% ≈ Avg
No HS Diploma35 (0.2%)
HS Graduate2,639 (17.8%)
Some College952 (6.4%)
Associates1,671 (11.3%)
Bachelors1,240 (8.4%)
Graduate Degree8,298 (55.9%)

Education

No HS: 0.2%HS Grad: 17.8%Some College: 6.4%Associates: 11.3%Bachelors: 8.4%Graduate: 55.9%Edu
No HS0.2%
HS Grad17.8%
Some College6.4%
Associates11.3%
Bachelors8.4%
Graduate55.9%
Housing & Income

Housing Tenure

Owner: 84.9%Renter: 15.1%Tenure
Owner84.9%
Renter15.1%

Home Value Distribution

Under $50k
1%
$50k–100k
0%
$100k–150k
1%
$150k–200k
1%
$200k–300k
8%
$300k–500k
42%
Over $500k
47%

Financials

Median HH Income$130,036 ▲ 70% above avg ↑ 16% since 2019
Median Home Value$491,300 ▲ 76% above avg ↑ 23% since 2019
Home/Income Ratio3.8x (nat avg ~3.5x)
Median Rent$1,754/mo ↑ 19% since 2019
Total Units9,773
Vacant Units1,003
Avg HH Size2.49

Income Distribution

Under $25k
9%
$25k–50k
9%
$50k–75k
12%
$75k–100k
9%
$100k–150k
17%
$150k–200k
14%
Over $200k
30%
Employment & Commute

How People Get to Work

Drove Alone
78%
Public Transit
1%
Walked
2%
Work From Home
20%

Commute Time

Under 15 min
24%
15–30 min
41%
30–45 min
23%
Over 45 min
12%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
13%
1960s–1970s
22%
1980s–1990s
7%
2000+
55%

Summary

Total Units9,773
Vacant1,003
Owner Occupied84.9%
Renter Occupied15.1%
Avg HH Size2.49
Frequently Asked Questions
ZIP code 06437 is in Guilford, CT, in South Central Regional County.
ZIP code 06437 is located in Connecticut (CT).
ZIP code 06437 is in South Central Regional County, CT.
ZIP 06437 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 06437 is 22,037 people (ACS 2023).
The median household income in ZIP code 06437 is $130,036 (ACS 2023).
The median home value in ZIP 06437 is $491,300 (ACS 2023).
About ZIP Code 06437

ZIP code 06437 is located in Guilford, Connecticut, within South Central Regional County. With a population of 22,037, this is a moderately populated ZIP code with a mature community — the median age is 50.7 years. Economically, 06437 is a upper-middle-income ZIP code: the median household income of $130,036 is significantly above the national average.

Real estate in ZIP code 06437 represents a premium housing market. The median home value of $491,300 is significantly above the national average. Renters can expect to pay around $1,754 per month in median rent. Homeownership is strong here — 84.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 23% since 2019.

The population of 06437 is primarily White (86.59%). Residents are highly educated — 64.3% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 3.1%. Household income has grown by 16% since 2019.

The unemployment rate in 06437 stands at 5.0%, which is near the national average. About 19% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 74%.

Overall, ZIP code 06437 in Guilford, CT is characterized as upper-middle-income, highly educated, a mature community, and predominantly owner-occupied. With 22,037 residents, a median household income of $130,036, and a median home value of $491,300, it offers a clear picture of life in this part of Connecticut.