CT area data
Groton, CT
Groton, CT.
Population: 29,863 (Census ACS)
Home values & appreciation
- Median home value
- $389,963
- 1-year appreciation
- +5.1%
- 3-year appreciation
- +18.8%
- 5-year appreciation
- +37.9%
- 10-year appreciation
- +89.5%
- All-time peak (2026-07)
- $389,963
- House Price Index
- 307.7 (+3.7% YoY)
Market activity
- Median sale price
- $360,000
- Median list price
- $399,000
- Median days on market
- 43 days
- Sale-to-list ratio
- 100.1%
- Active listings
- 30
- 1-year forecast
- +3.5%
- Days to pending
- 19 days
- New listings (monthly)
- 23
Rents
- Typical rent
- $2,171/mo
- 1-year rent change
- +10.5%
- 1BR fair-market rent
- $1,508/mo
- 3BR fair-market rent
- $2,441/mo
Affordability
- Cost of living index (Above Average)
- 107.0 (100 = US avg)
- Electricity rate (state-level)
- 29.4¢/kWh
- Natural gas rate (state-level)
- $16.80/MCF
- 30-year mortgage rate (national)
- 6.66%
- 15-year mortgage rate (national)
- 6.00%
Schools
- Total schools
- 7
- Elementary schools
- 3
- Middle schools
- 1
- High schools
- 3
Natural hazards & flood risk
- FEMA flood zone
- AE
- Flood risk level
- High
Climate (30-year normals)
- Average annual temperature
- 53.0°F
- Average high
- 61.0°F
- Average low
- 45.0°F
- Annual precipitation
- 58.7 in
- Annual snowfall
- 13.1 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 41
- Days with Good air quality
- 258
- Days with Unhealthy air quality
- 3
Walkability & transit
- Walkability index
- 13.7 / 20
- Transit service frequency
- 321
Amenities
- National parks within ~60 mi
- 4
- Nearest national park
- Touro Synagogue National Historic Site (39 mi)
- Nearest airport
- Groton New London Airport (GON) (2 mi)
- Nearest major airport
- Groton New London Airport (GON) (2 mi)
- Hospitals nearby (~15 mi)
- 3
- Avg hospital rating
- 4.0 / 5
- Solar radiation rating
- Fair (3.9 kWh/m²/day)
Housing stock
- Median year housing built
- 1,976
- Median annual property tax
- $4,556
- Mean commute to work
- 16 min
- Households with broadband internet
- 81.8%
Area data compiled from public government, academic, and industry research feeds. Data sources →
Data last updated
Most recent source refresh: Aug 2026. See all data sources →