06437 ZIP Code
Guilford, Connecticut
December 19, 2025
| ZIP Code: | 06437 |
| City/Town: | Guilford |
| County: | South Central Regional |
| State: | Connecticut |
| ZIP Type: | Standard |
| Population: | 22,046 |
| Median Household Income: | $124,793 |
| Per Capita Income: | $66,087 |
| Total Housing Units: | 9,779 |
| Median Home Value: | $462,200 |
| Land Area: | 47.1 sq miles
122.0 sq km |
| Water Area: | 1.6 sq miles
4.1 sq km |
| Coordinates: | 41.3318, -72.6968 |
Population Information (06437 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total Population: | 22,046 | -- | -- |
| Male: | 11,405 | 51.7% | 49.6% |
| Female: | 10,641 | 48.3% | 50.4% |
| Median Age: | 50.2 yrs | -- | 38.5 yrs |
| Under 5 years: | 827 | 3.8% | 5.7% |
| 5 to 9 years: | 1,232 | 5.6% | 6.0% |
| 10 to 14 years: | 1,771 | 8.0% | 6.5% |
| 15 to 19 years: | 1,470 | 6.7% | 6.6% |
| 20 to 24 years: | 841 | 3.8% | 6.7% |
| 25 to 34 years: | 1,123 | 5.1% | 13.7% |
| 35 to 44 years: | 2,437 | 11.1% | 12.9% |
| 45 to 54 years: | 3,113 | 14.1% | 12.4% |
| 55 to 59 years: | 1,671 | 7.6% | 6.5% |
| 60 to 64 years: | 1,962 | 8.9% | 6.4% |
| 65 to 74 years: | 3,164 | 14.4% | 9.7% |
| 75 to 84 years: | 1,763 | 8.0% | 4.8% |
| 85 years and over: | 672 | 3.0% | 2.0% |
Housing Information (06437 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Median home value: | $462,200 | -- | $281,900 |
| Median rooms: | 6.6 | -- | 5.5 |
| Median rent: | $1,725 / mo. | -- | $1,268 / mo. |
| Total housing units: | 9,779 | -- | -- |
| Occupied housing units: | 8,786 | 89.8% | 38.0% |
| Vacant housing units: | 993 | 10.2% | 4.6% |
| Housing tenure: | -- | -- | -- |
| Owner-occupied: | 7,488 | 85.2% | 64.8% |
| Renter-occupied: | 1,298 | 14.8% | 35.2% |
Educational Attainment (06437 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Population 25 years and over: | 15,905 | -- | -- |
| Less than 9th grade: | 74 | 0.5% | 4.7% |
| 9th to 12th grade, no diploma: | 374 | 2.4% | 6.1% |
| High school graduate: | 2,506 | 15.8% | 26.4% |
| Some college, no degree: | 2,237 | 14.1% | 19.7% |
| Associate degree: | 1,250 | 7.9% | 8.7% |
| Bachelor's degree: | 4,408 | 27.7% | 20.9% |
| Graduate or professional degree: | 5,056 | 31.8% | 13.7% |
| Percent high school graduate or higher: | -- | 97.2% | 89.1% |
| Percent bachelor's degree or higher: | -- | 59.5% | 34.3% |
Income Information (06437 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median household income: | $124,793 / yr. | $75,149 / yr. |
| Mean household income: | $174,176 / yr. | $105,833 / yr. |
| Median family income: | $148,047 / yr. | $92,646 / yr. |
| Per capita income: | $66,087 / yr. | $41,261 / yr. |
Employment (06437 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| In labor force: | 11,103 | -- | 63.5% |
| Employed: | 10,562 | 95.5% | 96.4% |
| Unemployed: | 497 | 4.5% | 5.3% |
| Not in labor force: | 6,676 | -- | -- |
| Class of Worker: | -- | -- | -- |
| Private wage and salary: | 8,160 | 77.3% | 79.7% |
| Government workers: | 1,556 | 14.7% | 14.2% |
| Self-employed: | 846 | 8.0% | 5.9% |
| Unpaid family workers: | 0 | 0.0% | 0.1% |
Race & Ethnicity (06437 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Race (one race): | -- | -- | -- |
| White: | 19,455 | 88.2% | 61.6% |
| Black or African American: | 436 | 2.0% | 12.4% |
| American Indian/Alaska Native: | 0 | 0.0% | 1.1% |
| Asian: | 712 | 3.2% | 6.0% |
| Native Hawaiian/Pacific Islander: | 0 | 0.0% | 0.2% |
| Some other race: | 316 | 1.4% | 8.4% |
| Two or more races: | 1,127 | 5.1% | 10.2% |
| Hispanic or Latino (any race): | 961 | 4.4% | 18.7% |
| Mexican: | 1,248 | 5.7% | 11.2% |
| Puerto Rican: | 218 | 1.0% | 1.8% |
| Cuban: | 465 | 2.1% | 0.7% |
| Other Hispanic or Latino: | 22 | 0.1% | 5.0% |
| Not Hispanic or Latino: | 543 | 2.5% | 81.1% |
Income Distribution (06437 zip code)
| Household Income | Households | Percent% | US AvgUS |
|---|---|---|---|
| Less than $10,000: | 134 | 1.5% | 4.9% |
| $10,000 to $14,999: | 119 | 1.4% | 3.8% |
| $15,000 to $24,999: | 416 | 4.7% | 7.0% |
| $25,000 to $34,999: | 383 | 4.4% | 7.4% |
| $35,000 to $49,999: | 686 | 7.8% | 10.7% |
| $50,000 to $74,999: | 1,093 | 12.4% | 16.1% |
| $75,000 to $99,999: | 652 | 7.4% | 12.8% |
| $100,000 to $149,999: | 1,674 | 19.1% | 17.1% |
| $150,000 to $199,999: | 1,145 | 13.0% | 8.8% |
| $200,000 or more: | 2,484 | 28.3% | 11.4% |
Commute to Work (06437 zip code)
| Commute Method | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Drove alone: | 7,857 | 74.4% | 67.8% |
| Carpooled: | 410 | 3.9% | 8.7% |
| Public transportation: | 101 | 1.0% | 4.2% |
| Walked: | 112 | 1.1% | 2.5% |
| Other means: | 108 | 1.0% | 0.9% |
| Worked from home: | 1,865 | 17.7% | 13.8% |
| Mean travel time to work: | 26.4 min | -- | 26.7 min |
Industry (06437 zip code)
| Industry Sector | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Agriculture, forestry, fishing, mining: | 6 | 0.1% | 1.6% |
| Construction: | 846 | 8.0% | 6.9% |
| Manufacturing: | 1,201 | 11.4% | 10.0% |
| Wholesale trade: | 281 | 2.7% | 2.4% |
| Retail trade: | 1,015 | 9.6% | 11.0% |
| Transportation, warehousing, utilities: | 331 | 3.1% | 5.8% |
| Information: | 359 | 3.4% | 1.9% |
| Finance, insurance, real estate: | 764 | 7.2% | 6.7% |
| Professional, scientific, management: | 1,078 | 10.2% | 12.1% |
| Education, health care, social services: | 3,233 | 30.6% | 23.3% |
| Arts, entertainment, food services: | 520 | 4.9% | 9.0% |
| Other services: | 362 | 3.4% | 4.7% |
| Public administration: | 566 | 5.4% | 4.7% |
Poverty Status (06437 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Poverty Rate: | -- | 2.8% | 8.8% |
| All people below poverty level: | -- | -- | -- |
| Under 18 years: | -- | -- | 16.3% |
| 18 to 64 years: | -- | -- | 11.0% |
| 65 years and over: | -- | -- | 10.3% |
Health Insurance (06437 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| With health insurance: | 21,430 | 97.2% | 91.3% |
| Private health insurance: | 17,271 | 78.3% | 67.6% |
| Public health coverage: | 7,070 | 32.1% | 35.9% |
| Without health insurance: | 423 | 1.9% | 8.7% |
Benefits & Assistance (06437 zip code)
| Households with: | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Earnings: | 6,809 | 77.5% | 77.4% |
| Social Security income: | 3,503 | 39.9% | 31.0% |
| Retirement income: | 2,655 | 30.2% | 21.8% |
| Supplemental Security Income (SSI): | 296 | 3.4% | 4.5% |
| Cash public assistance income: | 137 | 1.6% | 1.8% |
| SNAP (food stamps) benefits: | 225 | 2.6% | 11.4% |
Housing Types (06437 zip code)
| Structure Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| 1-unit, detached: | 8,309 | 85.0% | 61.4% |
| 1-unit, attached: | 415 | 4.2% | 6.1% |
| 2 units: | 240 | 2.5% | 3.4% |
| 3 or 4 units: | 142 | 1.5% | 4.3% |
| 5 to 9 units: | 267 | 2.7% | 4.6% |
| 10 to 19 units: | 94 | 1.0% | 4.3% |
| 20 or more units: | 284 | 2.9% | 9.9% |
| Mobile home: | 28 | 0.3% | 5.8% |
| Boat, RV, van, etc.: | 0 | 0.0% | 0.1% |
Year Structure Built (06437 zip code)
| Year Built | Units | Percent% | US AvgUS |
|---|---|---|---|
| Built 2020 or later: | 5 | 0.1% | 0.6% |
| Built 2010 to 2019: | 318 | 3.3% | 8.2% |
| Built 2000 to 2009: | 425 | 4.3% | 13.5% |
| Built 1990 to 1999: | 1,015 | 10.4% | 13.2% |
| Built 1980 to 1989: | 1,928 | 19.7% | 13.2% |
| Built 1970 to 1979: | 1,823 | 18.6% | 14.6% |
| Built 1960 to 1969: | 1,412 | 14.4% | 10.2% |
| Built 1950 to 1959: | 1,063 | 10.9% | 9.9% |
| Built 1940 to 1949: | 527 | 5.4% | 4.6% |
| Built 1939 or earlier: | 1,263 | 12.9% | 12.0% |
Bedrooms (06437 zip code)
| Number of Bedrooms | Units | Percent% | US AvgUS |
|---|---|---|---|
| No bedroom (studio): | 156 | 1.6% | 2.4% |
| 1 bedroom: | 760 | 7.8% | 3.0% |
| 2 bedrooms: | 2,364 | 24.2% | 9.1% |
| 3 bedrooms: | 2,990 | 30.6% | 15.9% |
| 4 bedrooms: | 2,868 | 29.3% | 18.8% |
| 5 or more bedrooms: | 641 | 6.6% | 17.6% |
Heating Fuel (06437 zip code)
| Fuel Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| Utility gas: | 1,544 | 17.6% | 47.1% |
| Bottled, tank, or LP gas: | 736 | 8.4% | 4.9% |
| Electricity: | 1,069 | 12.2% | 40.2% |
| Fuel oil, kerosene, etc.: | 5,201 | 59.2% | 4.2% |
| Coal or coke: | 0 | 0.0% | 0.1% |
| Wood: | 146 | 1.7% | 1.5% |
| Solar energy: | 4 | 0.0% | 0.1% |
| Other fuel: | 86 | 1.0% | 0.5% |
| No fuel used: | 0 | 0.0% | 0.2% |
Vehicles Available (06437 zip code)
| Vehicles | Households | Percent% | US AvgUS |
|---|---|---|---|
| No vehicle available: | 211 | 2.4% | 8.3% |
| 1 vehicle available: | 1,973 | 22.5% | 32.6% |
| 2 vehicles available: | 4,043 | 46.0% | 37.0% |
| 3 or more vehicles available: | 2,559 | 29.1% | 22.1% |
Home Value Distribution (06437 zip code)
| Value Range | Owner Units | Percent% | US AvgUS |
|---|---|---|---|
| Less than $50,000: | 81 | 1.1% | 5.7% |
| $50,000 to $99,999: | 37 | 0.5% | 7.8% |
| $100,000 to $149,999: | 89 | 1.2% | 9.2% |
| $150,000 to $199,999: | 82 | 1.1% | 10.8% |
| $200,000 to $299,999: | 623 | 8.3% | 19.9% |
| $300,000 to $499,999: | 3,570 | 47.7% | 24.1% |
| $500,000 to $999,999: | 2,458 | 32.8% | 17.0% |
| $1,000,000 or more: | 548 | 7.3% | 5.6% |
Housing Costs (06437 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median owner costs (with mortgage): | $2,775 / mo. | $1,828 / mo. |
| Median owner costs (no mortgage): | $1,344 / mo. | $584 / mo. |
| Median gross rent: | $1,725 / mo. | $1,268 / mo. |
| Average household size (owner-occupied): | 2.55 | 2.53 |
| Average household size (renter-occupied): | 2.08 | 2.38 |
Households (06437 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total households: | 8,786 | -- | -- |
| Married-couple households: | 5,682 | 64.7% | 47.5% |
| Cohabiting couple households: | 1,982 | 22.6% | 7.0% |
| Male householder, no spouse: | 1,208 | 13.7% | 5.4% |
| Female householder, no spouse: | 1,669 | 19.0% | 12.7% |
| Householder living alone: | 2,399 | 27.3% | 28.6% |
| 65 years and over living alone: | 3,831 | 43.6% | 11.8% |
| Average household size: | 2.48 | -- | 2.53 |
| Average family size: | 2.92 | -- | -- |
Marital Status (06437 zip code)
| Population 15 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 9,320 | -- | -- |
| Never married: | 2,300 | 24.7% | 37.0% |
| Now married: | 5,960 | 63.9% | 49.5% |
| Separated: | 343 | 3.7% | 1.5% |
| Widowed: | 706 | 7.6% | 2.6% |
| Divorced: | 1,498 | 16.1% | 9.3% |
School Enrollment (06437 zip code)
| Population 3 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Enrolled in school: | 5,270 | -- | -- |
| Nursery school, preschool: | 365 | 6.9% | 5.8% |
| Kindergarten: | 262 | 5.0% | 5.0% |
| Elementary school (grades 1-8): | 2,524 | 47.9% | 40.5% |
| High school (grades 9-12): | 1,324 | 25.1% | 21.4% |
| College or graduate school: | 795 | 15.1% | 27.3% |
Veterans & Disability (06437 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Civilian population 18 years and over: | 17,093 | -- | -- |
| Veterans: | 1,249 | 7.3% | 6.3% |
| Civilian noninstitutionalized population: | 21,853 | -- | -- |
| With a disability: | 1,766 | 8.1% | 13.4% |
| Under 18 with disability: | 134 | 7.6% | 5.8% |
| 18 to 64 with disability: | 553 | 31.3% | 10.4% |
| 65 and over with disability: | 1,079 | 61.1% | 33.4% |
Mobility (Residence 1 Year Ago) (06437 zip code)
| Population 1 year and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Same house: | 20,287 | 92.0% | 86.9% |
| Different house: | 1,631 | 7.4% | 13.1% |
| Same county: | 1,114 | 68.3% | 7.0% |
| Different county: | 479 | 29.4% | 3.2% |
| Different state: | 239 | 14.7% | 2.5% |
| Abroad: | 38 | 2.3% | 0.4% |
Place of Birth (06437 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Native born: | 20,201 | 91.6% | 86.2% |
| Foreign born: | 435 | 2.0% | 13.9% |
| Naturalized citizen: | 1,845 | 424.1% | 52.7% |
| Not a citizen: | 1,845 | 424.1% | 47.3% |
| Foreign-born by region: | -- | -- | -- |
| Europe: | 1,845 | 424.1% | 10.5% |
| Asia: | 776 | 178.4% | 31.3% |
| Africa: | 85 | 19.5% | 5.5% |
| Oceania: | 28 | 6.4% | 0.5% |
| Latin America: | 310 | 71.3% | 50.0% |
| Northern America: | 75 | 17.2% | 2.2% |
Language Spoken at Home (06437 zip code)
| Population 5 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 21,219 | -- | -- |
| English only: | 19,078 | 89.9% | 78.3% |
| Language other than English: | 2,141 | 10.1% | 21.5% |
| By language: | -- | -- | -- |
| Spanish: | 606 | 2.9% | 13.3% |
| Other Indo-European languages: | 803 | 3.8% | 3.5% |
| Asian/Pacific Island languages: | 487 | 2.3% | 3.5% |
| Other languages: | 245 | 1.2% | 1.0% |
Computers & Internet (06437 zip code)
| Households | Percent% | US AvgUS | |
|---|---|---|---|
| Households with a computer: | 8,786 | 100.0% | 93.1% |
| Households with broadband internet: | 8,514 | 96.9% | 89.4% |
Guilford, CT06437