Lake Forest, Louisville, KY demographics:
population, income, and more

Total population
6,155
1.5% year-over-year change
Median household income
$122,948/yr
2.3% year-over-year change
Housing units
2,394
1.7% year-over-year change

Lake Forest population

How many people live in Lake Forest

Lake Forest is home to 6,155 residents, according to the most recent Census data. Gender-wise, 47.9% of Lake Forest locals are male, and 52.1% are female.

Total population
6,155
1.5% year-over-year change
Gender ratio
Male
47.9%
2,946
Female
52.1%
3,209
Value Percent YoY change
Male 2,946 47.9% -0.6%
Female 3,209 52.1% 3.4%
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 Lake Forest is 41, with the population distributed as follows: about 18.4% are children under 15, then 12.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 25% of the population, while another 27.7% fall into the 45 to 64 bracket. Finally, around 16.9% are 65 or older.

Median age
40.8
Age breakdown
Under 15
18.4%
15 to 24
12.1%
25 to 44
25%
45 to 64
27.7%
Over 65
16.9%
Value Percent YoY change
Under 15 1,130 18.4% 1.0%
15 to 24 744 12.1% -1.2%
25 to 44 1,538 25% 2.7%
45 to 64 1,705 27.7% 0.7%
Over 65 1,038 16.9% 3.4%
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 Lake Forest, 89.8% of the population are US-born citizens, while 5.8% have gained naturalized citizenship. At the same time, 4.4% of residents are non-citizens. As for race, 75.5% of locals are Caucasian, 8% are African American and 7.3% have Asian roots. There’s also a share of 7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
89.8%
Non-U.S.-born citizens
5.8%
Non-citizens
4.4%
Value Percent YoY change
U.S.-born citizens 5,528 89.8% 2.9%
Non-U.S.-born citizens 354 5.8% -9.0%
Non-citizens 273 4.4% -10.2%
Racial breakdown
White
75.5%
Black or African American
8%
American Indian and Alaska Native
0.1%
Asian
7.3%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7%
Other
2.2%
Value Percent
White 4,644 75.5%
Black or African American 489 8%
American Indian and Alaska Native 6 0.1%
Asian 450 7.3%
Native Hawaiian and other Pacific Islander 1 0%
Two or more races 429 7%
Other 135 2.2%

Households in Lake Forest

A peek inside Lake Forest households

Lake Forest has 2,325 households, with an average of 3 members in each. Of these, 71.5% are families, while the remaining 28.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
2,325
2.7% year-over-year change
Average people per household
3
Non-family households
663
Family households
1,662
Value Percent YoY change
Non-family households 663 28.5% 3.8%
Family households 1,662 71.5% 2.3%
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 Lake Forest

The housing landscape of Lake Forest

Lake Forest's housing consists of 2,394 units, with 73.3% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 7.3% 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 0.3% of the housing landscape.

Housing units
2,394
1.7% year-over-year change
Housing types
Value Percent
1 unit, detached 1,753 73.3%
1 unit, attached 175 7.3%
2 units 65 2.7%
3 or 4 units 97 4%
5 to 9 units 92 3.8%
10 to 19 units 66 2.8%
20 to 49 units 74 3.1%
50 or more units 59 2.5%
Mobile home 8 0.3%
Boat, RV, van, etc. 4 0.2%
Homes built since 2020
86
53.6% year-over-year change

The age of buildings in Lake Forest

In Lake Forest, the median construction year is 2003. About 0.5% of homes were built before the 1940s, with another 0.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 32.9% of homes were added from 2000 to 2009, 22.2% between 2010 and 2019, and 3.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 12 0.5% 71.4%
Built between 1940 and 1949 15 0.6% -16.7%
Built between 1950 and 1959 28 1.2% 3.7%
Built between 1960 and 1969 25 1% 47.1%
Built between 1970 and 1979 156 6.5% -1.3%
Built between 1980 and 1989 202 8.4% 13.5%
Built between 1990 and 1999 549 22.9% 4.2%
Built between 2000 and 2009 789 32.9% -6.5%
Built between 2010 and 2019 533 22.2% 1.9%
Built in 2020 or later 86 3.6% 53.6%
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.

Lake Forest occupancy rates

Out of the 2,325 occupied housing units in Lake Forest, 77% are owner-occupied, while 23% are lived in by tenants. Meanwhile, 2.9% of all homes on the local market sit vacant.

Occupied housing units
2,325
2.7% year-over-year change
Occupancy breakdown
Renter occupied
535
Owner occupied
1,790
Value Percent YoY
change
Renter occupied 535 23% 12.6%
Owner occupied 1,790 77% 0.1%
Unoccupied housing units
2.9%
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.

Lake Forest housing costs

Housing costs in Lake Forest come to a median of $1,845 per month, while tenants specifically pay a median gross rent of $1,688.

Median housing costs per month
$1,845/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 Lake Forest
$1,688/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 Lake Forest

Lake Forest education at a glance

About 17.7% of the population in Lake Forest went to high school, while 20.2% pursued college studies. Another 5.7% earned an associate degree and 32.6% hold a bachelor’s. Meanwhile, 22.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 68 1.4% 4.6%
High school diploma 845 17.7% 3.8%
College diploma 967 20.2% 0.3%
Associate degree 272 5.7% -2.2%
Bachelor's degree 1,556 32.6% -2.3%
Graduate degree 1,068 22.4% 9.7%
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 Lake Forest

How much people earn in Lake Forest

The average annual household income in Lake Forest was $162,387 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.8% change from the previous year. At the same time, the median income stood at $122,948, reflecting a +2.3% shift over the same period.

Average household income in Lake Forest
$162,387/year
1.8% year-over-year change
Median household income in Lake Forest
$122,948/year
2.3% year-over-year change

Lake Forest income by age

In Lake Forest, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $126,852. Those with someone between 45 and 64 in charge, often well established professionally, earn $173,750 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $44,429, while those led by someone over 65, many of whom may be retired, have about $80,536 in earnings. Overall, 93.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $44,429 1.1%
25 - 44 $126,852 0.3%
45 - 64 $173,750 1.2%
Over 65 $80,536 1.2%
Above poverty level
5,526
Below poverty level
372
Value Percent YoY
change
Above poverty level 5,526 93.7% 1.4%
Below poverty level 372 6.3% 0.0%

Employment in Lake Forest

Workforce and job types in Lake Forest

86.1% of the working population are employed in professional or administrative positions, while 13.9% are in hands-on or service-based jobs. Also, 11.7% run their own businesses, 69.7% are employed by private companies, and 8.1% work in the public sector.

Workforce demographics

White collar
2,595
Blue collar
420
Value Percent YoY change
White collar 2,595 86.1% 5.8%
Blue collar 420 13.9% -5.8%
Employer type
Self employees
11.7%
Private companies
69.7%
Governmental workers
8.1%
Not for profit companies
10.5%
Value Percent YoY change
Self employees 352 11.7% 19.3%
Private companies 2,102 69.7% 2.3%
Governmental workers 244 8.1% -2.8%
Not for profit companies 317 10.5% 6.7%

Transportation in Lake Forest

How people get around in Lake Forest

Commuting methods vary: 99.1% of residents travel by personal vehicle and 0.6% 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 2,303 99.1% 1.1%
Bus or trolleybus 2 0.1% 0.0%
Motorcycle 2 0.1% -50.0%
Bicycle 1 0% N/A
Walk 15 0.6% 36.4%
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 Lake Forest by zipcode?

Zipcode Population Number of households Median income Average income
40245 39,835 15,048 $122,948 $163,222

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FAQs about Lake Forest demographics 

What is the total population of Lake Forest?

Lake Forest has a total population of 6,155 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 +1.5% compared to a year ago.

What is the gender ratio in Lake Forest?

The gender ratio in Lake Forest is as follows:
  • 47.9% males (2,946 residents)
  • 52.1% females (3,209 residents)

What is the median age in Lake Forest?

The median age in Lake Forest is 40.8.

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

The age distribution in Lake Forest is as follows:
  • Under 15: 18.4% (1,130 residents)
  • Ages 15-24: 12.1% (744 residents)
  • Ages 25-44: 25% (1,538 residents)
  • Ages 45-64: 27.7% (1,705 residents)
  • Over 65: 16.9% (1,038 residents)

What is the racial and ethnic makeup of Lake Forest?

The racial and ethnic makeup of Lake Forest is as follows:
  • White: 75.5% (4,644 residents)
  • Black or African American: 8% (489 residents)
  • American Indian and Alaska Native: 0.1% (6 residents)
  • Asian: 7.3% (450 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (1 residents)
  • Two or More Races: 7% (429 residents)
  • Other: 2.2% (135 residents)

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

U.S.-born citizens represent 89.8% of the population in Lake Forest.

How many housing units are there in Lake Forest?

There are 2,394 housing units in Lake Forest, reflecting a +1.7% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Lake Forest has a total of 2,325 households, with an average of 3 people in each.

What is the median household income in Lake Forest?

Lake Forest has a median household income of $122,948, representing a +2.3% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Lake Forest?

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

Job types:
  • White-collar workers: 86.1% (2,595 residents)
  • Blue-collar workers: 13.9% (420 residents)

Places of employment:
  • Self-employed: 11.7% (352 residents)
  • Private companies: 69.7% (2,102 residents)
  • Governmental workers: 8.1% (244 residents)
  • Not-for-profit companies: 10.5% (317 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