The Town FilesSouth Thomaston, Maine
Town in Knox County · population 1,511 (2020 Census)
- Median home
- $341,300
- Household income
- $86,838
- Jan low / Jul high
- 17° / 74°
- Snow a year
- 53 in
- Tornadoes ≤10 mi since 1950
- 1
- Median age
- 54.3
South Thomaston is a town of 1,511 people in Knox County, Maine. The median home is worth $341,300, above the typical Maine town ($238,950). It ranks more of a college town than 95% of Maine towns, better transit than 94% of Maine towns, more seaside character than 93% of Maine towns.
How South Thomaston ranks
Percentile among Maine towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Maine towns.
Homes and cost of living
The median home in South Thomaston is worth $341,300, above the typical Maine town ($238,950). Homes cost about 3.9 times the median household income of $86,838, which is more affordable than 36% of Maine towns. Median rent is $925 a month. 92.5% of households own their home.
| Housing | South Thomaston | Typical Maine town |
|---|---|---|
| Median home value | $341,300 | $238,950 |
| Median rent | $925 | $1,027 |
| Median household income | $86,838 | $68,967 |
| Home value ÷ income | 3.9× | 3.4× |
| Homeownership | 92.5% | 82.4% |
| Median year built | 1981 | 1978 |
| Seasonal / vacation homes | 19.5% | — |
Who lives in South Thomaston
| People | South Thomaston | Typical Maine town |
|---|---|---|
| Median age | 54.3 | 46.9 |
| Age 65 and over | 34.8% | 22.9% |
| Under 18 | 13.8% | — |
| Bachelor's degree or higher | 44.6% | 28.2% |
| Below the poverty line | 4.2% | 10.7% |
| Veterans | 10.5% | — |
| Born outside the U.S. | 0.3% | — |
| Work from home | 8.3% | 12.3% |
| Average commute | 15.7 min | 25.5 min |
| Homes with broadband | 92.3% | 90.0% |
Weather in South Thomaston
July highs average 74.2°F and January lows 17.4°F. About 47.6 inches of rain and melted snow fall a year, with 53.1 inches of snow (typical Maine town: 77.2 in). Expect about 0 days a year at 90°F or hotter and 124 nights at or below freezing.
Tornadoes, storms and disasters
1 tornado has passed within 10 miles of South Thomaston since 1950, compared with 2 for the typical Maine town. The strongest, unrated, struck on August 8, 1969 about 3.2 miles from the town center. The most recent was on August 8, 1969.
Hail of 1 inch or larger has been reported within 10 miles 3 times; the largest was 1.00 inches on September 24, 2019.
Severe weather in Knox County since 1996
Knox County has been included in 31 federal disaster or emergency declarations since 1953, most often for flood, hurricane, snowstorm.
| Declared | Incident | Declaration |
|---|---|---|
| March 20, 2024 | Severe Storm | DR-4764: Severe Storms And Flooding |
| September 14, 2023 | Hurricane | EM-3598: Hurricane Lee |
| July 6, 2023 | Flood | DR-4719: Severe Storm And Flooding |
| March 22, 2023 | Severe Storm | DR-4696: Severe Storm And Flooding |
| March 15, 2022 | Coastal Storm | DR-4647: Severe Storm And Flooding |
Jobs and pay in Knox County
Knox County had 16,874 jobs in 2024, paying an average of $55,720 a year. Unemployment was 2.9% in 2023; in South Thomaston itself the ACS puts it at 0%.
Towns near South Thomaston
- Owls Head, ME3.4 mi · 1,504 people · home $413,300
- Thomaston, ME3.7 mi · 1,836 people · home $269,500
- Thomaston, ME5.0 mi · 2,739 people · home $271,700
- Rockland, ME5.8 mi · 6,936 people · home $245,800
- Cushing, ME6.5 mi · 1,502 people · home $409,800
- Warren, ME8.2 mi · 4,865 people · home $232,700
- Rockport, ME9.2 mi · 3,644 people · home $469,000
- St. George, ME10.3 mi · 2,594 people · home $356,300
South Thomaston questions
Is South Thomaston, Maine a good place to retire?
On The Town Files lifestyle rankings, South Thomaston scores better for retirees than 76% of Maine towns and quieter than 27%. 34.8% of residents are 65 or older (median age 54.3).
How much does a house cost in South Thomaston?
The median owner-occupied home in South Thomaston is valued at $341,300 (Census ACS 2020–2024), against a median household income of $86,838, so homes cost about 3.9 times income. Median rent is $925 a month.
What is the weather like in South Thomaston?
July highs average 74.2°F and January lows 17.4°F (NOAA 1991–2020 normals). It gets about 47.6 inches of precipitation a year and 53.1 inches of snow.
Does South Thomaston get tornadoes?
1 tornado has passed within 10 miles of South Thomaston since 1950 (NOAA Storm Events). The typical Maine town has had 2.
- 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)