States · Connecticut · Hartford County

Collinsville, Connecticut.

A community in Hartford County, with no city government of its own. Zillow publishes no home prices for it: see Hartford County’s.

Living in Collinsville, Connecticut

Collinsville, in , had 3,721 people in the 2020 census. Half its households earn more than $94,815 a year and half less; 8% of its people live below the poverty line.

People 3,721 in the 2020 census
Household income $94,815 the median, give or take $16,195
Homes Too few homes in Collinsville for the Census survey to measure.
  • 1,800households
  • 57%of adults have a degree
  • 8%below the poverty line
  • 30 mintypical commute
  • 24%work from home

Weather through the year

Average daily high and low for each month: coldest in January, 36° and 17°; warmest in July, 84° and 62° 20° 40° 60° 80° J 36° 17° F M A M J J 84° 62° A S O N D
Average daily high and low for each month: coldest in January, 36° and 17°; warmest in July, 84° and 62° 20° 40° 60° 80° J 36° 17° F M A M J J 84° 62° A S O N D

Coldest in January, with highs near 36° and lows near 17°; warmest in July, with highs near 84° and lows near 62°. About 39 inches of snow and 53 inches of rain and melted snow a year.

Average daily high and low, 1991–2020, at the Burlington weather station, 2 miles away (NOAA).

Largest workplaces in Collinsville

  1. Canton School DistrictSchool district340FTE
  2. Horton Electrical ServicesFire alarm system, electric, installation only100
  3. The Arc of the Farmington ValleyGroup homes, intellectual and developmental disability83
  4. Pioneer MobilityDelivery service50
  5. The Arc of the Farmington ValleyGroup homes, intellectual and developmental disability38

Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 4 workplaces with 20 or more staff, 271 people in all. School districts come from the Common Core of Data (NCES, 2023–24); FTE marks full-time equivalent staff. Not listed: many offices and banks, which need not report to OSHA; military bases, whose staff OPM withholds; and, in about half the states, city and county governments.

Natural hazards

  1. Ice stormsVery high
  2. Inland floodingRelatively high
  3. Cold wavesRelatively high
  4. HurricanesRelatively high
  5. LightningRelatively high
  6. TornadoesRelatively high

FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms across its county, against the rest of the country; all of them together, relatively high. It is meant for planning, not a substitute for a local risk assessment or a flood map: FEMA’s index.

From the U.S. Census Bureau’s 2020 census and its American Community Survey (2020–2024 five-year estimates), and the Bureau of Labor Statistics. A survey, so each figure has a margin of error, and figures it is not sure of are left out. More on .