Mamanasco Lake, CT

Full City Profile · Connecticut · Western Connecticut Planning Region County

4.4 /5.0

A Great

462 Population 1,127/sq mi density

$243,750 Median Income $193,046 per capita

$856,600 Home Value $953,119 Zillow

48°F Avg Temperature 271 sunny days/yr

4 Violent Crime/100K 257 property/100K

Overall

4.4 / 5.0

Strong

A+

Economy

5.0 / 5.0

$243,750 median income, 1.1% unemployment

A+

Affordability

4.7 / 5.0

$856,600 home value, /mo rent

C+

Safety

2.8 / 5.0

4 violent crimes/100K

A+

Education

5.0 / 5.0

76.6% bachelor's degree or higher

Change Over Time (2021–2023)

Population Change

-27.8%

640 → 462

over 2 years

Annual Pop. Growth

-15.04%

Compound annual growth rate

Median Income Change

+14.5%

$212,895 → $243,750

nominal, not inflation-adjusted

Annual Income Growth

+7%

Compound annual growth rate

Population Over Time

Total population for Mamanasco Lake across each available Census ACS release.

Median Household Income Over Time

Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).

Projected 2030

Simple projections extrapolating the 2021–2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts — real outcomes depend on migration, policy and economic shifts.

Projected Population 2030

148

-314 from 2023 (462)

Projected Median Income 2030

$391,409

+$147,659 from 2023 ($243,750)

Year-by-Year Detail

Year	Population	YoY %	Median Income	YoY %
2021	640	—	$212,895	—
2023	462	-27.8%	$243,750	+14.5%

Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.