Mamanasco Lake, Connecticut

Community · population 509 (2020 Census)

Median home: $940,800
Household income: $221,250
Jan low / Jul high: 18° / 82°
Snow a year: 49 in
Tornadoes ≤10 mi since 1950: 5
Median age: 40.8

Mamanasco Lake is a community of 509 people, Connecticut. The median home is worth $940,800, above the typical Connecticut town ($376,000). It ranks better for families than 99% of Connecticut towns, more of a college town than 97% of Connecticut towns, more upscale than 92% of Connecticut towns.

Mamanasco Lake in our rankings:

How Mamanasco Lake 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.

The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Mamanasco Lake is worth $940,800, above the typical Connecticut town ($376,000). Homes cost about 4.3 times the median household income of $221,250, which is more affordable than 27% of Connecticut towns. 82.1% of households own their home.

Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Connecticut towns with 500+ people.

Housing	Mamanasco Lake	Typical Connecticut town
Median home value	$940,800	$376,000
Median rent	—	$1,462
Median household income	$221,250	$109,167
Home value ÷ income	4.3×	3.6×
Homeownership	82.1%	80.3%
Median year built	1980	1969
Seasonal / vacation homes	0.0%	—

Who lives in Mamanasco Lake

People	Mamanasco Lake	Typical Connecticut town
Median age	40.8	45.0
Age 65 and over	9.6%	20.6%
Under 18	21.6%	—
Bachelor's degree or higher	88.1%	45.8%
Below the poverty line	1.0%	5.7%
Veterans	0.3%	—
Born outside the U.S.	0.6%	—
Work from home	67.4%	16.8%
Average commute	— min	27.6 min
Homes with broadband	100.0%	93.8%

Weather in Mamanasco Lake

July highs average 82.4°F and January lows 18.1°F. About 48.0 inches of rain and melted snow fall a year, with 49.3 inches of snow (typical Connecticut town: 39.0 in). Expect about 8 days a year at 90°F or hotter and 134 nights at or below freezing.

NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Danbury Muni Ap station (4.4 mi away); snow from Danbury (8.0 mi).

Tornadoes, storms and disasters

5 tornadoes have passed within 10 miles of Mamanasco Lake since 1950, compared with 8 for the typical Connecticut town. 1 rated (E)F2 or stronger. The strongest, an F2, struck on July 14, 1950 about 3.7 miles from the town center. The most recent was on May 15, 2018.

NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 16 times; the largest was 1.75 inches on June 20, 2001.

Towns near Mamanasco Lake

West Mountain, CT
1.4 mi · 603 people · home $918,700
Ridgefield, CT
1.6 mi · 25,033 people · home $836,200
Lakes West, CT
1.6 mi · 1,186 people · home $714,500
Lakes East, CT
2.1 mi · 1,299 people · home $571,300
Ridgebury, CT
2.7 mi · 2,223 people · home $906,900
Route 7 Gateway, CT
2.8 mi · 818 people · home $758,300
Ridgefield, CT
3.9 mi · 7,596 people · home $843,600
Peach Lake, NY
4.4 mi · 1,885 people · home $513,800

Mamanasco Lake questions

Is Mamanasco Lake, Connecticut a good place to retire?

On The Town Files lifestyle rankings, Mamanasco Lake scores better for retirees than 44% of Connecticut towns and quieter than 20%. 9.6% of residents are 65 or older (median age 40.8).

How much does a house cost in Mamanasco Lake?

The median owner-occupied home in Mamanasco Lake is valued at $940,800 (Census ACS 2020–2024), against a median household income of $221,250, so homes cost about 4.3 times income. Median rent is — a month.

What is the weather like in Mamanasco Lake?

July highs average 82.4°F and January lows 18.1°F (NOAA 1991–2020 normals). It gets about 48.0 inches of precipitation a year and 49.3 inches of snow.

Does Mamanasco Lake get tornadoes?

5 tornadoes have passed within 10 miles of Mamanasco Lake since 1950 (NOAA Storm Events); the strongest was a F2 on July 14, 1950. The typical Connecticut town has had 8.

How this page is made. Every number comes from public data, matched to Mamanasco Lake's Census boundary (GEOID 0944660). Comparisons use the median of Connecticut towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center.

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)

Data snapshot 2026-11-13.