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, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

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%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

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