Lyme, CT demographics:
population, income, and more

Total population
5,075
-0.3% year-over-year change
Median household income
$132,045/yr
3.6% year-over-year change
Housing units
2,875
1.2% year-over-year change

Lyme population

How many people live in Lyme

Lyme is home to 5,075 residents, according to the most recent Census data. Gender-wise, 48.1% of Lyme locals are male, and 51.9% are female.

Total population
5,075
-0.3% year-over-year change
Gender ratio
Male
48.1%
2,439
Female
51.9%
2,636
Value Percent YoY change
Male 2,439 48.1% -5.0%
Female 2,636 51.9% 4.5%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Lyme is 52, with the population distributed as follows: about 15% are children under 15, then 9% are in the 15 to 24 age group. Adults between 25 and 44 make up 17.1% of the population, while another 31.5% fall into the 45 to 64 bracket. Finally, around 27.4% are 65 or older.

Median age
52
Age breakdown
Under 15
15%
15 to 24
9%
25 to 44
17.1%
45 to 64
31.5%
Over 65
27.4%
Value Percent YoY change
Under 15 764 15% 0.7%
15 to 24 455 9% -9.0%
25 to 44 867 17.1% 1.1%
45 to 64 1,600 31.5% -1.1%
Over 65 1,389 27.4% 2.4%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Lyme, 90.2% of the population are US-born citizens, while 6.7% have gained naturalized citizenship. At the same time, 3.1% of residents are non-citizens. As for race, 88.7% of locals are Caucasian, 0.3% are African American and 2.2% have Asian roots. There’s also a share of 7.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
90.2%
Non-U.S.-born citizens
6.7%
Non-citizens
3.1%
Value Percent YoY change
U.S.-born citizens 4,576 90.2% -0.8%
Non-U.S.-born citizens 342 6.7% 4.3%
Non-citizens 156 3.1% 4.7%
Racial breakdown
White
88.7%
Black or African American
0.3%
American Indian and Alaska Native
0.1%
Asian
2.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7.2%
Other
1.5%
Value Percent
White 4,501 88.7%
Black or African American 16 0.3%
American Indian and Alaska Native 3 0.1%
Asian 114 2.2%
Two or more races 367 7.2%
Other 74 1.5%

Households in Lyme

A peek inside Lyme households

Lyme has 2,129 households, with an average of 2 members in each. Of these, 69.5% are families, while the remaining 30.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
2,129
3.2% year-over-year change
Average people per household
2
Non-family households
649
Family households
1,480
Value Percent YoY change
Non-family households 649 30.5% 16.1%
Family households 1,480 69.5% -1.6%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Lyme

The housing landscape of Lyme

Lyme's housing consists of 2,875 units, with 94.3% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.4% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 1.6% of the housing landscape.

Housing units
2,875
1.2% year-over-year change
Housing types
Value Percent
1 unit, detached 2,709 94.3%
1 unit, attached 13 0.4%
2 units 76 2.6%
3 or 4 units 20 0.7%
5 to 9 units 8 0.3%
50 or more units 3 0.1%
Mobile home 45 1.6%
Homes built since 2020
17
13.3% year-over-year change

The age of buildings in Lyme

In Lyme, the median construction year is 1966. About 20.6% of homes were built before the 1940s, with another 11.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 7.2% of homes were added from 2000 to 2009, 1.4% between 2010 and 2019, and 0.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 592 20.6% -6.0%
Built between 1940 and 1949 343 11.9% 1.5%
Built between 1950 and 1959 271 9.4% -13.7%
Built between 1960 and 1969 366 12.7% 32.6%
Built between 1970 and 1979 404 14% 7.2%
Built between 1980 and 1989 327 11.4% -1.8%
Built between 1990 and 1999 307 10.7% 5.5%
Built between 2000 and 2009 208 7.2% -4.6%
Built between 2010 and 2019 40 1.4% -20.0%
Built in 2020 or later 17 0.6% 13.3%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Lyme occupancy rates

Out of the 2,129 occupied housing units in Lyme, 89.1% are owner-occupied, while 10.9% are lived in by tenants. Meanwhile, 25.9% of all homes on the local market sit vacant.

Occupied housing units
2,129
3.2% year-over-year change
Occupancy breakdown
Renter occupied
232
Owner occupied
1,897
Value Percent YoY
change
Renter occupied 232 10.9% -2.5%
Owner occupied 1,897 89.1% 4.0%
Unoccupied housing units
25.9%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Lyme housing costs

Housing costs in Lyme come to a median of $2,011 per month, while tenants specifically pay a median gross rent of $2,172.

Median housing costs per month
$2,011/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Lyme
$2,172/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Lyme

Lyme education at a glance

About 18.1% of the population in Lyme went to high school, while 18% pursued college studies. Another 7.7% earned an associate degree and 27.1% hold a bachelor’s. Meanwhile, 28.9% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 9 0.2% 0.0%
High school diploma 746 18.1% -4.4%
College diploma 744 18% -9.1%
Associate degree 319 7.7% -5.1%
Bachelor's degree 1,120 27.1% 10.3%
Graduate degree 1,192 28.9% 0.8%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Lyme

How much people earn in Lyme

The average annual household income in Lyme was $208,286 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3% change from the previous year. At the same time, the median income stood at $132,045, reflecting a +3.6% shift over the same period.

Average household income in Lyme
$208,286/year
3.0% year-over-year change
Median household income in Lyme
$132,045/year
3.6% year-over-year change

Lyme income by age

In Lyme, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $193,125. Those with someone between 45 and 64 in charge, often well established professionally, earn $155,927 overall. Overall, 97% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $193,125 37.8%
45 - 64 $155,927 4.1%
Over 65 $96,440 -0.3%
Above poverty level
4,850
Below poverty level
149
Value Percent YoY
change
Above poverty level 4,850 97% -0.8%
Below poverty level 149 3% 27.4%

Employment in Lyme

Workforce and job types in Lyme

86.7% of the working population are employed in professional or administrative positions, while 13.3% are in hands-on or service-based jobs. Also, 20.1% run their own businesses, 57.7% are employed by private companies, and 10.4% work in the public sector.

Workforce demographics

White collar
2,191
Blue collar
335
Value Percent YoY change
White collar 2,191 86.7% -1.7%
Blue collar 335 13.3% -11.1%
Employer type
Self employees
20.1%
Private companies
57.7%
Governmental workers
10.4%
Not for profit companies
11.8%
Value Percent YoY change
Self employees 508 20.1% 1.8%
Private companies 1,456 57.7% -4.5%
Governmental workers 263 10.4% -14.9%
Not for profit companies 298 11.8% 10.0%

Transportation in Lyme

How people get around in Lyme

Commuting methods vary: 95.6% of residents travel by personal vehicle and 2.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 1,756 95.6% -5.4%
Taxicab 2 0.1% N/A
Bus or trolleybus 9 0.5% 12.5%
Railroad 17 0.9% -34.6%
Ferryboat 2 0.1% N/A
Walk 51 2.8% 4.1%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Lyme by zipcode?

Zipcode Population Number of households Median income Average income
06371 9,828 4,122 $132,045 $208,339

Explore more communities

FAQs about Lyme demographics 

What is the total population of Lyme?

Lyme has a total population of 5,075 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.3% compared to a year ago.

What is the gender ratio in Lyme?

The gender ratio in Lyme is as follows:
  • 48.1% males (2,439 residents)
  • 51.9% females (2,636 residents)

What is the median age in Lyme?

The median age in Lyme is 52.

What is the age distribution of the population in Lyme?

The age distribution in Lyme is as follows:
  • Under 15: 15% (764 residents)
  • Ages 15-24: 9% (455 residents)
  • Ages 25-44: 17.1% (867 residents)
  • Ages 45-64: 31.5% (1,600 residents)
  • Over 65: 27.4% (1,389 residents)

What is the racial and ethnic makeup of Lyme?

The racial and ethnic makeup of Lyme is as follows:
  • White: 88.7% (4,501 residents)
  • Black or African American: 0.3% (16 residents)
  • American Indian and Alaska Native: 0.1% (3 residents)
  • Asian: 2.2% (114 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 7.2% (367 residents)
  • Other: 1.5% (74 residents)

What percentage of the population in Lyme are U.S.-born citizens?

U.S.-born citizens represent 90.2% of the population in Lyme.

How many housing units are there in Lyme?

There are 2,875 housing units in Lyme, reflecting a +1.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Lyme and what is the average household size?

Lyme has a total of 2,129 households, with an average of 2 people in each.

What is the median household income in Lyme?

Lyme has a median household income of $132,045, representing a +3.6% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Lyme?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 86.7% (2,191 residents)
  • Blue-collar workers: 13.3% (335 residents)

Places of employment:
  • Self-employed: 20.1% (508 residents)
  • Private companies: 57.7% (1,456 residents)
  • Governmental workers: 10.4% (263 residents)
  • Not-for-profit companies: 11.8% (298 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025