Town · Connecticut
Guilford, Connecticut
Guilford, town, in South Central Connecticut Planning Region, Connecticut. Guilford had 22,322 residents on July 1, 2025 by the Census Bureau's estimate, up 1.1% since 2020; the 2020 Census counted 22,073 and the ACS 2020-2024 5-year estimates put it at 22,108 (±27). GEOID 0917034950.
Residents, July 2025 estimate
22,322
Census Bureau estimate (no margin published)
2020 Census count: 22,073 · ACS 2020-2024: 22,108 ±27
Median household income
$137,816
±$11,388 (90% margin)
Connecticut: $95,781
Median home value
$515,800
±$40,092 (90% margin)
Connecticut: $366,900
Median gross rent
$1,717
±$128 (90% margin)
Connecticut: $1,488
Where is Guilford and what county is it in?
Guilford is a town in South Central Connecticut Planning Region, Connecticut. It covers 47.1 square miles of land, 469 residents per square mile in 2020.
One place lies inside Guilford: Guilford Center (CDP, 2,586 in 2020).
Guilford is in the New Haven, CT metropolitan statistical area (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Guilford, and is it growing?
The Census Bureau estimates that 22,322 people lived in Guilford on July 1, 2025, up 1.1% since 2020, slower than Connecticut (+2.2%). The 2020 Census counted 22,073 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 22,108 (±27).
| Measure | Guilford | South Central Connecticut Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Total population | 22,108±27 | 570,598 | – |
| Households | 8,870±335 | 230,673 | – |
| Average household size | 2.47±0.09 | 2.38 | – |
| Housing units | 9,839±373 | 248,267 | – |
Guilford's population since 2000
From 21,398 in 2000 to 22,322 in 2025: up 4.3%. The 2000, 2010 and 2020 figures are census counts, each for Guilford as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Guilford?
The median resident of Guilford is 51.1 years old; 20.8% are under 18 and 26.6% are 65 or older. The largest group is non-Hispanic white residents at 82.9%, then Hispanic or Latino residents (of any race) at 5.8%. 9.4% of residents were born outside the United States.
| Measure | Guilford | South Central Connecticut Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Median age | 51.1±1.9 | 40.2 | – |
| Under 18 years | 20.8%±1.7 pts | 19.6% | – |
| 65 years and over | 26.6%±2.6 pts | 18.6% | – |
| Male | 50.2%±1.8 pts | 48.3% | – |
| Hispanic or Latino (any race) | 5.8%±1.8 pts | 19.5% | – |
| White alone, not Hispanic | 82.9%±3.1 pts | 58.5% | – |
| Black or African American alone, not Hispanic | 1.6%±1.2 pts | 13.0% | – |
| Asian alone, not Hispanic | 4.5%±1.5 pts | 4.5% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.2 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.2 pts | 0.0% | – |
| Two or more races, not Hispanic | 4.3%±1.6 pts | 3.5% | – |
| Some other race alone, not Hispanic | 1.0%±1.3 pts | 0.8% | – |
| Born outside the United States | 9.4%±2.1 pts | 13.7% | – |
| Speak a language other than English at home (age 5+) | 12.4%±2.6 pts | 22.3% | – |
| Civilian veterans (age 18+) | 6.3%±1.3 pts | 4.5% | – |
| With a disability | 9.6%±1.5 pts | 11.9% | – |
| No health insurance coverage | 2.1%±1.1 pts | 4.9% | – |
| High school graduate or higher (age 25+) | 98.1%±0.8 pts | 92.1% | – |
| Bachelor's degree or higher (age 25+) | 60.6%±3.6 pts | 42.0% | – |
| Graduate or professional degree (age 25+) | 32.9%±3.0 pts | 20.3% | – |
| Lived in the same house a year earlier | 91.9%±2.4 pts | 87.8% | – |
| Moved from another state in the past year | 1.5%±0.7 pts | 2.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Guilford earn?
Half of Guilford's 8,870 households earn less than $137,816 a year (±$11,388), against $88,197 in South Central Connecticut Planning Region and $95,781 in Connecticut. 2.8% of residents live below the poverty line.
| Measure | Guilford | South Central Connecticut Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $137,816±$11,388 | $88,197 | – |
| Mean household income | $180,527±$13,326 | $121,469 | – |
| Per capita income | $73,138±$5,575 | $49,766 | – |
| People below the poverty line | 2.8%±0.8 pts | 11.4% | – |
| Children under 18 below the poverty line | 0.8%±0.7 pts | 14.6% | – |
| Households receiving SNAP | 3.4%±1.5 pts | 13.5% | – |
| Households with a computer | 97.7%±1.2 pts | 95.4% | – |
| Households with a broadband subscription | 94.7%±1.8 pts | 92.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Guilford?
Owners occupy 83.7% of Guilford's occupied homes and renters 16.3%. The median owner-occupied home is valued at $515,800 by its owner (±$40,092). The median renter pays $1,717 a month including utilities, and 37.9% of renters pay 35% or more of their income on rent.
| Measure | Guilford | South Central Connecticut Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $515,800±$40,092 | $353,100 | – |
| Median gross rent | $1,717±$128 | $1,525 | – |
| Renters paying 35% or more of income on rent | 37.9%±10.0 pts | 44.5% | – |
| Median monthly owner costs, with a mortgage | $2,960±$198 | $2,377 | – |
| Owner-occupied homes | 83.7%±3.0 pts | 60.5% | – |
| Renter-occupied homes | 16.3%±3.0 pts | 39.5% | – |
| Housing units | 9,839±373 | 248,267 | – |
| Homeowner vacancy rate | 0.2%±0.3 pts | 0.5% | – |
| Rental vacancy rate | 6.4%±5.6 pts | 4.5% | – |
| Single-family detached homes | 84.4%±2.3 pts | 52.8% | – |
| Mobile homes | 0.2%±0.3 pts | 0.4% | – |
| Built 2020 or later | 0.5%±0.4 pts | 0.6% | – |
| Built 2010 to 2019 | 3.9%±1.3 pts | 3.7% | – |
| Built 1939 or earlier | 12.2%±2.8 pts | 23.1% | – |
| Households with no vehicle | 3.0%±1.0 pts | 11.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Guilford building?
Builders took permits for 23 new housing units in Guilford in 2025 (18 in single-family houses), 1.0 per 1,000 residents against 2.0 across Connecticut.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Guilford work and get to work?
70.9% of Guilford's workers drive alone and 21.7% work from home. The average trip to work takes 25.9 minutes. The unemployment rate in 2020-2024 averaged 4.9%.
| Measure | Guilford | South Central Connecticut Planning Region | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 62.0%±2.7 pts | 65.1% | – |
| Unemployment rate | 4.9%±1.5 pts | 6.0% | – |
| Drove alone to work | 70.9%±3.6 pts | 69.4% | – |
| Carpooled | 4.1%±1.8 pts | 7.2% | – |
| Public transportation | 0.7%±0.5 pts | 3.0% | – |
| Walked | 1.8%±0.8 pts | 4.6% | – |
| Worked from home | 21.7%±3.5 pts | 14.3% | – |
| Mean travel time to work | 25.9 min±1.6 | 23.5 min | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Guilford?
5 census tracts lie mostly in Guilford (2020 census blocks). Their median household incomes run from $83,125 (Tract 1901) to $168,646 (Tract 1903.01).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 1903.01South Central Connecticut Planning Region | 6,716 | $168,646 |
| Tract 1903.02South Central Connecticut Planning Region | 5,616 | $135,833 |
| Tract 1902South Central Connecticut Planning Region | 3,453 | $166,667 |
| Tract 1903.03South Central Connecticut Planning Region | 3,220 | $141,800 |
| Tract 1901South Central Connecticut Planning Region | 3,103 | $83,125 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Guilford) · Census block assignment files
How does Guilford compare with other places in Connecticut?
By the Census Bureau's July 2025 estimates, Guilford is the 519th-most populous of the 16,079 U.S. towns and townships that have one and the 28th-most populous of 142 in Connecticut.
Guilford ranks 74th of 294 places in Connecticut with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 28th | 142 |
| Growth 2020-2025 (PEP) | 134th | 167 |
| Residents per square mile | 205th | 303 |
| Median household income | 74th | 294 |
| Per capita income | 74th | 303 |
| Median home value | 67th | 300 |
| Median gross rent | 84th | 266 |
| Poverty rate | 188th | 202 |
| Bachelor's degree or higher | 64th | 297 |
| Median age | 57th | 301 |
| Owner-occupied share | 113th | 300 |
| Work from home | 88th | 279 |
| Travel time to work | 175th | 302 |
Guilford's figures with every place in Connecticut (CSV)
Every place in Connecticut, sortable · Compare Guilford with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Guilford?
10 of the 57 figures for Guilford on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Guilford are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.