Old Lyme Flag

Old Lyme

County Seat:
No
Area (mi²):
23.014
State:
Connecticut

Old Lyme is located in Lower Connecticut River Valley Planning Region, Connecticut. Old Lyme has a 2026 population of 7,745. Old Lyme is currently growing at a rate of 0.16% annually and its population has increased by 1.85% since the most recent census, which recorded a population of 7,604 in 2020.

The median household income in Old Lyme is $131,899 with a poverty rate of 2.91%. The median age in Old Lyme is 50.6 years: 49.7 years for males, and 51.4 years for females. For every 100 females there are 88.6 males.

7.7K
Total Population
337
Density (mi²)
12 0.16%
Growth

Old Lyme Population

Old Lyme Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20267,745120.16%
20257,733120.16%
20247,721120.16%
20237,709190.25%
20227,690230.3%
20217,667630.83%
20207,604-15-0.2%
20197,331-59-0.8%
20187,390-32-0.43%
20177,422-19-0.26%
20167,441-33-0.44%
20157,474-62-0.82%
20147,536-27-0.36%
20137,563-32-0.42%
20127,595120.16%
20117,583-20-0.26%
20107,604-7-0.09%

Median Age

Overall: 50.6 years
Female: 51.4 years
Male: 49.7 years

Old Lyme Adults

There are 6,120 adults, (2,024 of whom are seniors) in Old Lyme.

Sex Ratio

Female: 4,072 (53%)
Male: 3,607 (47%)

Demographics

The racial composition of Old Lyme includes 88.21% White, and smaller percentages for Asian, other race, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White6,77488.21%
Two or more races5777.51%
Asian1842.4%
Other race1131.47%
Black or African American310.4%
Race
Population ↓
Percentage (of total)
Two or more races2663.46%
Other race1071.39%
White500.65%
Race
Population ↓
Percentage (of total)
White6,72487.56%
Two or more races3114.05%
Asian1842.4%
Black or African American310.4%
Other race60.08%

Old Lyme Marital Status

Economics and Income Statistics

Old Lyme 's average per capita income is $79,105. Household income levels show a median of $131,899. The poverty rate stands at 2.91%.

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$163,125-
Families$150,495$230,829
Households$131,899$204,403
Non Families$89,722$138,143

$79,105

Average Income

$131,899

Median Household Income

2.91%

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)