Crystal Lake, CT demographics:
population, income, and more

Total population
2,024
3.1% year-over-year change
Median household income
$143,882/yr
0.9% year-over-year change
Housing units
801
-5.2% year-over-year change

Crystal Lake population

How many people live in Crystal Lake

Crystal Lake is home to 2,024 residents, according to the most recent Census data. Gender-wise, 44.5% of Crystal Lake locals are male, and 55.5% are female.

Total population
2,024
3.1% year-over-year change
Gender ratio
Male
44.5%
900
Female
55.5%
1,124
Value Percent YoY change
Male 900 44.5% 3.3%
Female 1,124 55.5% 2.9%
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 Crystal Lake is 49, with the population distributed as follows: about 17.3% are children under 15, then 11% are in the 15 to 24 age group. Adults between 25 and 44 make up 17.2% of the population, while another 31.3% fall into the 45 to 64 bracket. Finally, around 23.3% are 65 or older.

Median age
48.9
Age breakdown
Under 15
17.3%
15 to 24
11%
25 to 44
17.2%
45 to 64
31.3%
Over 65
23.3%
Value Percent YoY change
Under 15 350 17.3% 33.1%
15 to 24 222 11% -1.8%
25 to 44 348 17.2% -1.4%
45 to 64 633 31.3% -7.7%
Over 65 471 23.3% 8.3%
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 Crystal Lake, 87.7% of the population are US-born citizens, while 8.2% have gained naturalized citizenship. At the same time, 4.2% of residents are non-citizens. There’s also a share of 6.6% that includes residents with two or more races.

Citizenship
U.S.-born citizens
87.7%
Non-U.S.-born citizens
8.2%
Non-citizens
4.2%
Value Percent YoY change
U.S.-born citizens 1,775 87.7% 3.0%
Non-U.S.-born citizens 165 8.2% -7.8%
Non-citizens 84 4.2% 40.0%
Racial breakdown
White
82.8%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
8.9%
Native Hawaiian and other Pacific Islander
0%
Two or more races
6.6%
Other
1.7%
Value Percent
White 1,675 82.8%
Asian 181 8.9%
Two or more races 134 6.6%
Other 34 1.7%

Households in Crystal Lake

A peek inside Crystal Lake households

Crystal Lake has 781 households, with an average of 3 members in each. Of these, 78.9% are families, while the remaining 21.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
781
-1.0% year-over-year change
Average people per household
3
Non-family households
165
Family households
616
Value Percent YoY change
Non-family households 165 21.1% -6.2%
Family households 616 78.9% 0.5%
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 Crystal Lake

The housing landscape of Crystal Lake

Crystal Lake's housing consists of 801 units, with 87.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 7.7% and offer a more compact, shared living style.

Housing units
801
-5.2% year-over-year change
Housing types
Value Percent
1 unit, detached 702 87.6%
1 unit, attached 62 7.7%
2 units 18 2.2%
50 or more units 19 2.4%
Homes built since 2020
0
% year-over-year change

The age of buildings in Crystal Lake

In Crystal Lake, the median construction year is 1977. About 18% of homes were built before the 1940s, with another 2.1% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 144 18% -27.6%
Built between 1940 and 1949 17 2.1% 0.0%
Built between 1950 and 1959 78 9.7% -15.2%
Built between 1960 and 1969 43 5.4% 10.3%
Built between 1970 and 1979 170 21.2% -10.1%
Built between 1980 and 1989 47 5.9% -14.6%
Built between 1990 and 1999 120 15% 26.3%
Built between 2000 and 2009 167 20.8% 5.0%
Built between 2010 and 2019 15 1.9% N/A
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.

Crystal Lake occupancy rates

Out of the 781 occupied housing units in Crystal Lake, 91.4% are owner-occupied, while 8.6% are lived in by tenants. Meanwhile, 2.5% of all homes on the local market sit vacant.

Occupied housing units
781
-1.0% year-over-year change
Occupancy breakdown
Renter occupied
67
Owner occupied
714
Value Percent YoY
change
Renter occupied 67 8.6% -2.9%
Owner occupied 714 91.4% -0.8%
Unoccupied housing units
2.5%
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.

Crystal Lake housing costs

Median housing costs per month
$1,629/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.

Education in Crystal Lake

Crystal Lake education at a glance

About 29.6% of the population in Crystal Lake went to high school, while 14.9% pursued college studies. Another 7.9% earned an associate degree and 22.3% hold a bachelor’s. Meanwhile, 22.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 45 2.9% 12.5%
High school diploma 453 29.6% -10.5%
College diploma 228 14.9% -18.3%
Associate degree 121 7.9% -11.7%
Bachelor's degree 341 22.3% 3.3%
Graduate degree 341 22.3% 16.0%
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 Crystal Lake

How much people earn in Crystal Lake

The average annual household income in Crystal Lake was $141,805 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -1.4% change from the previous year. At the same time, the median income stood at $143,882, reflecting a +0.9% shift over the same period.

Average household income in Crystal Lake
$141,805/year
-1.4% year-over-year change
Median household income in Crystal Lake
$143,882/year
0.9% year-over-year change

Crystal Lake income by age

In Crystal Lake, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $189,773. Those with someone between 45 and 64 in charge, often well established professionally, earn $149,423 overall. Overall, 98.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $189,773 -1.4%
45 - 64 $149,423 -12.4%
Over 65 $88,321 -14.2%
Above poverty level
1,967
Below poverty level
34
Value Percent YoY
change
Above poverty level 1,967 98.3% 2.9%
Below poverty level 34 1.7% 17.2%

Average renter income in Crystal Lake

To get a better sense of what renters earn on average in Crystal Lake, their median household income was $56,771 according to 2022 Census data.

Renter median household income
$56,771
Rent-to-income ratio
0%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Crystal Lake

Workforce and job types in Crystal Lake

The job market in Crystal Lake is powered by 1,053 working residents, spread across a range of industries and roles. 84.9% of the working population are employed in professional or administrative positions, while 15.1% are in hands-on or service-based jobs. Also, 1.4% run their own businesses, 72.5% are employed by private companies, and 19.8% work in the public sector.

Workforce demographics

Working population
1,053
-0.8% year-over-year change
White collar
894
Blue collar
159
Value Percent YoY change
White collar 894 84.9% -9.2%
Blue collar 159 15.1% 103.8%
Employer type
Self employees
1.4%
Private companies
72.5%
Governmental workers
19.8%
Not for profit companies
6.4%
Value Percent YoY change
Self employees 15 1.4% -51.6%
Private companies 763 72.5% -1.6%
Governmental workers 208 19.8% 7.8%
Not for profit companies 67 6.4% 6.3%

Transportation in Crystal Lake

How people get around in Crystal Lake

Means of transportation
Value Percent YoY change
Car 814 78.7% 2.0%
Railroad 39 3.8% N/A
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.

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FAQs about Crystal Lake demographics 

What is the total population of Crystal Lake?

Crystal Lake has a total population of 2,024 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 +3.1% compared to a year ago.

What is the gender ratio in Crystal Lake?

The gender ratio in Crystal Lake is as follows:
  • 44.5% males (900 residents)
  • 55.5% females (1,124 residents)

What is the median age in Crystal Lake?

The median age in Crystal Lake is 48.9.

What is the age distribution of the population in Crystal Lake?

The age distribution in Crystal Lake is as follows:
  • Under 15: 17.3% (350 residents)
  • Ages 15-24: 11% (222 residents)
  • Ages 25-44: 17.2% (348 residents)
  • Ages 45-64: 31.3% (633 residents)
  • Over 65: 23.3% (471 residents)

What is the racial and ethnic makeup of Crystal Lake?

The racial and ethnic makeup of Crystal Lake is as follows:
  • White: 82.8% (1,675 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 8.9% (181 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 6.6% (134 residents)
  • Other: 1.7% (34 residents)

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

U.S.-born citizens represent 87.7% of the population in Crystal Lake.

How many housing units are there in Crystal Lake?

There are 801 housing units in Crystal Lake, reflecting a -5.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Crystal Lake has a total of 781 households, with an average of 3 people in each.

What is the median household income in Crystal Lake?

Crystal Lake has a median household income of $143,882, representing a +0.9% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Crystal Lake?

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

Job types:
  • White-collar workers: 84.9% (894 residents)
  • Blue-collar workers: 15.1% (159 residents)

Places of employment:
  • Self-employed: 1.4% (15 residents)
  • Private companies: 72.5% (763 residents)
  • Governmental workers: 19.8% (208 residents)
  • Not-for-profit companies: 6.4% (67 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