Old Lyme Flag

Old Lyme

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 7,733 . Old Lyme is currently growing at a rate of 0.16% annually and its population has increased by 1.7% since the most recent census, which recorded a population of 7,604 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. For every 100 females there are 98.2 males.

7.7K
Total Population
336
Density (mi²)
12 0.16%
Growth

Old Lyme Population

Old Lyme Population

Data after 2023 is projected based on recent change

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

White (88.72%)

Two or more races (6.42%)

Asian (3.19%)

Other race (1.26%)

Black or African American (0.41%)

Race
Population
Percentage (of total)
White6,78288.72%
Two or more races4916.42%
Asian2443.19%
Other race961.26%
Black or African American310.41%

Old Lyme Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)