Zip code 06437: Guilford, Connecticut

Q: What city is zip code 06437?

06437 is assigned to Guilford, Connecticut. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What is the population of 06437?

About 22,067 people live in 06437, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 06437?

The median household income in 06437 is $137,615.

Q: What zip codes are near 06437?

The closest zip codes to 06437 are 06443, 06471, 06472, 06405, 06419.

Residential delivery areaEastern Time

Population

22,067

Median household income

$138K

U.S. $81K

Median home value

$515K

U.S. $333K

Median rent

$1,717/mo

U.S. $1,413

Median age

51.2

U.S. 38.9

Land area

47 sq mi

468 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 06437

06437 is a small-town zip code in Guilford, Connecticut, covering 47 sq mi of land. About 22,067 people live here, or 468 per square mile. The median resident is 51.2 years old, compared with 38.9 nationally.

The median household earns $137,615 a year, 70% above the national median of $80,734. 2.8% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $515,000, or 3.7 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 84% of occupied homes are lived in by their owners, and renters pay a median of $1,717 a month.

61% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 25.9 minutes each way, and 22% of workers work from home. The most common jobs among working residents are in management, education and sales.

How 06437 compares

Sorted from highest to lowest national percentile

Median age51.2
96th
U.S. 38.9 · CT 41.145th of 277 in CT
Residents 65 and older26.7%
94th
U.S. 17.2% · CT 18.5%36th of 277 in CT
Per capita income$73,108
93rd
StrengthU.S. $44,673 · CT $55,91551st of 277 in CT
Median household income$137,615
92nd
StrengthU.S. $80,734 · CT $95,78150th of 267 in CT
Median earnings per worker$77,220
92nd
StrengthU.S. $49,666 · CT $57,73953rd of 275 in CT
Bachelor's degree or higher60.5%
89th
StrengthU.S. 35.7% · CT 42.5%48th of 277 in CT
Homeownership rate83.6%
86th
StrengthU.S. 65.2% · CT 66.5%101st of 275 in CT
Self-employed workers12.9%
82nd
U.S. 10% · CT 9.9%85th of 276 in CT
Work from home21.6%
81st
U.S. 15.1% · CT 16%68th of 276 in CT
Median home value$515,000
76th
U.S. $332,700 · CT $366,90041st of 267 in CT
Broadband access94.7%
73rd
U.S. 91% · CT 92.2%110th of 275 in CT
Housing vacancy9.9%
71st
U.S. 10.1% · CT 7%67th of 275 in CT
Median gross rent$1,717
69th
U.S. $1,413 · CT $1,48879th of 247 in CT
Income inequality (Gini)0.459
69th
U.S. 0.483 · CT 0.49990th of 274 in CT
Tech workers3.3%
58th
U.S. 3.8% · CT 3.6%125th of 276 in CT
Veterans6.3%
57th
U.S. 6.2% · CT 4.7%87th of 277 in CT
Government workers13.9%
52nd
U.S. 14.5% · CT 13.1%123rd of 276 in CT
Unemployment rate4.9%
51st
U.S. 5.2% · CT 5.6%119th of 276 in CT
Average commute25.9 min
49th
U.S. 26.4 min · CT 26.5 min146th of 268 in CT
Foreign-born residents9.4%
48th
U.S. 14.1% · CT 15.7%139th of 277 in CT
Healthcare workers9.3%
47th
U.S. 9.7% · CT 10.4%154th of 276 in CT
Residents under 1820.8%
38th
U.S. 22% · CT 20.2%104th of 277 in CT
Rent-burdened renters47.4%
37th
U.S. 51.1% · CT 52.6%156th of 267 in CT
Population22,067
34th
U.S. 334,922,499 · CT 3,624,50856th of 277 in CT
Population density468/sq mi
32nd
U.S. 95/sq mi · CT 749/sq mi159th of 277 in CT
Diversity index30.6
24th
U.S. 61.4 · CT 57164th of 277 in CT
Uninsured rate2.1%
6th
StrengthU.S. 8.4% · CT 5.4%194th of 276 in CT
Poverty rate2.8%
2nd
StrengthU.S. 12.5% · CT 10%238th of 276 in CT

Measure	06437	CT	U.S.	National percentile	Rank in CT
Median age	51.2	41.1	38.9	96th	45th of 277
Residents 65 and older	26.7%	18.5%	17.2%	94th	36th of 277
Per capita incomeStrength	$73,108	$55,915	$44,673	93rd	51st of 277
Median household incomeStrength	$137,615	$95,781	$80,734	92nd	50th of 267
Median earnings per workerStrength	$77,220	$57,739	$49,666	92nd	53rd of 275
Bachelor's degree or higherStrength	60.5%	42.5%	35.7%	89th	48th of 277
Homeownership rateStrength	83.6%	66.5%	65.2%	86th	101st of 275
Self-employed workers	12.9%	9.9%	10%	82nd	85th of 276
Work from home	21.6%	16%	15.1%	81st	68th of 276
Median home value	$515,000	$366,900	$332,700	76th	41st of 267
Broadband access	94.7%	92.2%	91%	73rd	110th of 275
Housing vacancy	9.9%	7%	10.1%	71st	67th of 275
Median gross rent	$1,717	$1,488	$1,413	69th	79th of 247
Income inequality (Gini)	0.459	0.499	0.483	69th	90th of 274
Tech workers	3.3%	3.6%	3.8%	58th	125th of 276
Veterans	6.3%	4.7%	6.2%	57th	87th of 277
Government workers	13.9%	13.1%	14.5%	52nd	123rd of 276
Unemployment rate	4.9%	5.6%	5.2%	51st	119th of 276
Average commute	25.9 min	26.5 min	26.4 min	49th	146th of 268
Foreign-born residents	9.4%	15.7%	14.1%	48th	139th of 277
Healthcare workers	9.3%	10.4%	9.7%	47th	154th of 276
Residents under 18	20.8%	20.2%	22%	38th	104th of 277
Rent-burdened renters	47.4%	52.6%	51.1%	37th	156th of 267
Population	22,067	3,624,508	334,922,499	34th	56th of 277
Population density	468/sq mi	749/sq mi	95/sq mi	32nd	159th of 277
Diversity index	30.6	57	61.4	24th	164th of 277
Uninsured rateStrength	2.1%	5.4%	8.4%	6th	194th of 276
Poverty rateStrength	2.8%	10%	12.5%	2nd	238th of 276

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

17%

5–17

18–24

25–34

10%

35–44

15%

45–54

17%

55–64

13%

65–74

13%

75+

Median age

51.2

Under 18

20.8%

65 and over

26.7%

Race and ethnicity

White83%
Black2%
Hispanic6%
Asian4%
Native American0%
Pacific Islander0%
Other1%
Multiracial4%

Diversity index

30.6

U.S. 61.4

Foreign-born

9.4%

U.S. 14.1%

Born in state

55.2%

Language spoken at home (households)

English only

83%

Spanish

Other Indo-European

Asian / Pacific

Other

0.9%

Households

Households: 8,856
Average household size: 2.5
Family households: 74.5%
Married couples: 63.4%
Living alone: 22%
Veterans (of adults): 6.3%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

12%

$75–100k

$100–150k

16%

$150–200k

14%

$200k+

32%

Median household income

06437

$137,615

Connecticut

$95,781

United States

$80,734

Per capita income

$73,108

U.S. $44,673

Poverty rate

2.8%

U.S. 12.5%

Households earning $150K+

45.9%

U.S. 23%

Income inequality (Gini)

0.459

U.S. 0.483

Housing

Median home value

06437

$515,000

Connecticut

$366,900

United States

$332,700

Median gross rent

06437

$1,717

Connecticut

$1,488

United States

$1,413

Types of housing

Single-family

88%

2–4 units

5–19 units

20+ units

Mobile home

0.2%

Boat, RV, van

Housing units: 9,825
Owner-occupied: 83.6%
Vacant: 9.9%
Median year built: 1974
Median rooms: 6.6
Renters paying 30%+ of income: 47.4%
Renters paying 50%+ of income: 27.2%
Home value to income: 3.7× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

71%

Carpooled

Transit

0.7%

Walked

Bicycle

0.5%

Worked from home

22%

Other

0.4%

Commute time (one way)

<10 min

12%

10–19

26%

20–29

28%

30–44

23%

45–59

60+

Average commute

25.9 min

U.S. 26.4 min

Unemployment

4.9%

U.S. 5.2%

In labor force

62%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

18%

Education

11%

Sales

10%

Healthcare

Office and admin

Engineering and science

Construction and repair

Business and finance

Legal and social services

Cleaning and personal care

Arts, media and sports

Computer and math

Food service

Police and fire

Transportation and moving

Production

Farming, fishing and forestry

Industries

Education

17%

Health care and social assistance

14%

Professional and technical services

11%

Manufacturing

11%

Retail

Construction

Finance, insurance and real estate

Public administration

Restaurants and hotels

Other services

Transportation, warehousing and utilities

Information

Arts and recreation

Wholesale

Admin, support and management

Agriculture and mining

0.1%

Median earnings per worker

$77,220

U.S. $49,666

Self-employed

12.9%

U.S. 10%

Government workers

13.9%

U.S. 14.5%

Nonprofit workers

17.7%

U.S. 8.8%

Median earnings by type of work

Type of work	06437	U.S.
Management, business, science and arts	$101,692	$74,888
Service	$25,417	$26,804
Sales and office	$51,750	$40,476
Construction and maintenance	$61,932	$49,199
Production and transportation	$36,875	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

17%

Some college

14%

Associate's

Bachelor's

28%

Graduate

33%

High school graduate or higher: 98.1%
Bachelor's degree or higher: 60.5%
Graduate or professional degree: 32.9%
Households with broadband: 94.7%
Cable, fiber or DSL: 86.7%
No internet access: 2.9%
Without health insurance: 2.1%
Limited-English households: 2.2%

Geography

City (USPS): Guilford
State: Connecticut
Center point: 41.3318° N, 72.6968° W
Land area: 47 sq mi
Water area: 1.6 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Guilford Center (unincorporated)5% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 06437

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
06443	Madison, CT	3.9 mi	17,657	$168,462	$584,900
06471	North Branford, CT	3.9 mi	7,140	$109,388	$371,200
06472	Northford, CT	5.8 mi	6,363	$105,729	$405,200
06405	Branford, CT	5.9 mi	28,217	$105,225	$401,200
06419	Killingworth, CT	6.8 mi	6,240	$140,655	$446,200
06473	North Haven, CT	9 mi	24,743	$132,829	$391,200
06513	New Haven, CT	9 mi	38,888	$48,500	$235,500
06413	Clinton, CT	9.1 mi	13,377	$124,824	$380,000
06422	Durham, CT	9.5 mi	7,208	$158,857	$424,800
06512	New Haven, CT	10 mi	28,830	$96,146	$289,100
06495	Wallingford, CT · PO box	10 mi	—	—	—
06492	Wallingford, CT	11 mi	44,498	$105,061	$353,600

Zip codes like 06437 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 06437

What city is zip code 06437?

06437 is assigned to Guilford, Connecticut. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What is the population of 06437?

About 22,067 people live in 06437, according to the Census Bureau's American Community Survey.

What time zone is 06437 in?

06437 is in Eastern Time.

What is the median household income in 06437?

The median household income in 06437 is $137,615.

What zip codes are near 06437?

The closest zip codes to 06437 are 06443, 06471, 06472, 06405, 06419.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 06437, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.