Old Lyme

County:: Lower CT River Valley Planning Region
County Seat:: No
Area (mi²):: 23.014
State:: Connecticut

Old Lyme is located in Lower CT River Valley Planning Region, Connecticut. Old Lyme has a 2025 population of 7,714. Old Lyme is currently growing at a rate of 0.12% annually and its population has increased by 1.39% since the most recent census, which recorded a population of 7,608 in 2020.

The average household income in Old Lyme is $195,610 with a poverty rate of 2.32%.The median age in Old Lyme is 50.9 years: 49 years for males, and 53.1 years for females.

Demographics

The racial composition of Old Lyme includes 88.72% White, 3.19% Asian, and smaller percentages for other race, Black or African American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	6,782	88.72%
Two or more races	491	6.42%
Asian	244	3.19%
Other race	96	1.26%
Black or African American	31	0.41%

Old Lyme Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Old Lyme's average per capita income is $67,463. Household income levels show a median of $126,904. The poverty rate stands at 2.32%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$147,652	-
Families	$136,458	$227,029
Households	$126,904	$195,610
Non Families	$77,262	$102,294

$67,463

Average Income

$126,904

Median Household Income

2.32%

Poverty Rate