The Town FilesGroton, Connecticut
City · population 9,387 (2020 Census)
- Median home
- $306,600
- Household income
- $79,577
- Jan low / Jul high
- 23° / 80°
- Snow a year
- 25 in
- Tornadoes ≤10 mi since 1950
- 2
- Median age
- 39.0
Groton is a city of 9,387 people, Connecticut. The median home is worth $306,600, below the typical Connecticut town ($376,000). It ranks hipper than 98% of Connecticut towns, more walkable than 93% of Connecticut towns, more seaside character than 92% of Connecticut towns.
How Groton ranks
Percentile among Connecticut towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Connecticut towns.
Homes and cost of living
The median home in Groton is worth $306,600, below the typical Connecticut town ($376,000). Homes cost about 3.9 times the median household income of $79,577, which is more affordable than 36% of Connecticut towns. Median rent is $1,250 a month. 45.4% of households own their home.
| Housing | Groton | Typical Connecticut town |
|---|---|---|
| Median home value | $306,600 | $376,000 |
| Median rent | $1,250 | $1,462 |
| Median household income | $79,577 | $109,167 |
| Home value ÷ income | 3.9× | 3.6× |
| Homeownership | 45.4% | 80.3% |
| Median year built | 1971 | 1969 |
| Seasonal / vacation homes | 1.7% | — |
Who lives in Groton
| People | Groton | Typical Connecticut town |
|---|---|---|
| Median age | 39.0 | 45.0 |
| Age 65 and over | 16.2% | 20.6% |
| Under 18 | 15.7% | — |
| Bachelor's degree or higher | 38.8% | 45.8% |
| Below the poverty line | 18.6% | 5.7% |
| Veterans | 7.7% | — |
| Born outside the U.S. | 8.3% | — |
| Work from home | 4.8% | 16.8% |
| Average commute | 17.5 min | 27.6 min |
| Homes with broadband | 88.5% | 93.8% |
Weather in Groton
July highs average 79.8°F and January lows 23.3°F. About 39.3 inches of rain and melted snow fall a year, with 24.5 inches of snow (typical Connecticut town: 39.0 in). Expect about 2 days a year at 90°F or hotter and 107 nights at or below freezing.
Tornadoes, storms and disasters
2 tornadoes have passed within 10 miles of Groton since 1950, compared with 8 for the typical Connecticut town. The strongest, an EF1, struck on October 29, 2018 about 5.5 miles from the town center. The most recent was on October 29, 2018.
Hail of 1 inch or larger has been reported within 10 miles 9 times; the largest was 2.75 inches on May 29, 1969.
Public schools in Groton
2 public schools with 802 students, about 12.2 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Thames River Magnet School | PK-5 | 531 | 12.6 |
| Marine Science Magnet High School | 9-12 | 271 | 11.3 |
Towns near Groton
- New London, CT1.6 mi · 27,367 people · home $253,300
- Long Hill, CT1.9 mi · 3,948 people · home $175,600
- Groton, CT2.4 mi · 38,411 people · home $340,100
- Waterford, CT3.6 mi · 3,074 people · home $282,900
- Conning Towers-Nautilus Park, CT4.4 mi · 8,870 people · home $290,100
- Waterford, CT4.5 mi · 19,571 people · home $355,900
- Old Mystic, CT5.8 mi · 3,493 people · home $342,500
- Mystic, CT6.1 mi · 4,348 people · home $538,800
Groton questions
Is Groton, Connecticut a good place to retire?
On The Town Files lifestyle rankings, Groton scores better for retirees than 12% of Connecticut towns and quieter than 9%. 16.2% of residents are 65 or older (median age 39.0).
How much does a house cost in Groton?
The median owner-occupied home in Groton is valued at $306,600 (Census ACS 2020–2024), against a median household income of $79,577, so homes cost about 3.9 times income. Median rent is $1,250 a month.
What is the weather like in Groton?
July highs average 79.8°F and January lows 23.3°F (NOAA 1991–2020 normals). It gets about 39.3 inches of precipitation a year and 24.5 inches of snow.
Does Groton get tornadoes?
2 tornadoes have passed within 10 miles of Groton since 1950 (NOAA Storm Events); the strongest was an EF1 on October 29, 2018. The typical Connecticut town has had 8.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)