Fort Knox, KY demographics:
population, income, and more

Total population
8,836
1.4% year-over-year change
Median household income
$82,663/yr
11.4% year-over-year change
Housing units
2,497
1.2% year-over-year change

Fort Knox population

How many people live in Fort Knox

Fort Knox is home to 8,836 residents, according to the most recent Census data. Gender-wise, 54.6% of Fort Knox locals are male, and 45.4% are female.

Total population
8,836
1.4% year-over-year change
Gender ratio
Male
54.6%
4,824
Female
45.4%
4,012
Value Percent YoY change
Male 4,824 54.6% -0.4%
Female 4,012 45.4% 3.6%
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 Fort Knox is 24, with the population distributed as follows: about 31.6% are children under 15, then 19.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 39.8% of the population, while another 7.1% fall into the 45 to 64 bracket. Finally, around 1.8% are 65 or older.

Median age
24
Age breakdown
Under 15
31.6%
15 to 24
19.8%
25 to 44
39.8%
45 to 64
7.1%
Over 65
1.8%
Value Percent YoY change
Under 15 2,788 31.6% 5.1%
15 to 24 1,752 19.8% -2.7%
25 to 44 3,516 39.8% 1.2%
45 to 64 624 7.1% -2.8%
Over 65 156 1.8% 6.8%
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 Fort Knox, 89.5% of the population are US-born citizens, while 8.4% have gained naturalized citizenship. At the same time, 2.1% of residents are non-citizens. As for race, 55.6% of locals are Caucasian, 16.4% are African American and 2.8% have Asian roots. Another 0.8% are Indigenous American, 1.8% are Pacific Islanders, while 2.9% identify as another race. There’s also a share of 19.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
89.5%
Non-U.S.-born citizens
8.4%
Non-citizens
2.1%
Value Percent YoY change
U.S.-born citizens 7,908 89.5% 2.7%
Non-U.S.-born citizens 746 8.4% -6.4%
Non-citizens 182 2.1% -16.5%
Racial breakdown
White
55.6%
Black or African American
16.4%
American Indian and Alaska Native
0.8%
Asian
2.8%
Native Hawaiian and other Pacific Islander
1.8%
Two or more races
19.9%
Other
2.9%
Value Percent
White 4,909 55.6%
Black or African American 1,446 16.4%
American Indian and Alaska Native 70 0.8%
Asian 244 2.8%
Native Hawaiian and other Pacific Islander 155 1.8%
Two or more races 1,757 19.9%
Other 255 2.9%

Households in Fort Knox

A peek inside Fort Knox households

Fort Knox has 2,226 households, with an average of 3 members in each. Of these, 76.5% are families, while the remaining 23.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
2,226
1.1% year-over-year change
Average people per household
3
Non-family households
523
Family households
1,703
Value Percent YoY change
Non-family households 523 23.5% -7.4%
Family households 1,703 76.5% 4.0%
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 Fort Knox

The housing landscape of Fort Knox

Fort Knox's housing consists of 2,497 units, with 23.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 46.9% 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 0.1% of the housing landscape.

Housing units
2,497
1.2% year-over-year change
Housing types
Value Percent
1 unit, detached 580 23.2%
1 unit, attached 1,172 46.9%
2 units 295 11.8%
3 or 4 units 43 1.7%
5 to 9 units 81 3.2%
10 to 19 units 122 4.9%
50 or more units 201 8%
Mobile home 3 0.1%
Homes built since 2020
5
% year-over-year change

The age of buildings in Fort Knox

In Fort Knox, the median construction year is 1976. About 7.6% of homes were built before the 1940s, with another 5.7% going up by 1949. Most development happened in the second half of the 20th century. Then, 18.6% of homes were added from 2000 to 2009, 14.7% between 2010 and 2019, and 0.2% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 189 7.6% 21.1%
Built between 1940 and 1949 142 5.7% 30.3%
Built between 1950 and 1959 357 14.3% 12.6%
Built between 1960 and 1969 302 12.1% -18.2%
Built between 1970 and 1979 441 17.7% 12.8%
Built between 1980 and 1989 170 6.8% -18.7%
Built between 1990 and 1999 61 2.4% -35.1%
Built between 2000 and 2009 464 18.6% 9.4%
Built between 2010 and 2019 366 14.7% -8.3%
Built in 2020 or later 5 0.2% 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.

Fort Knox occupancy rates

Meanwhile, 10.9% of all homes on the local market sit vacant.

Occupied housing units
2,226
1.1% year-over-year change
Occupancy breakdown
Renter occupied
2,226
Owner occupied
0
Value Percent YoY
change
Renter occupied 2,226 100% 1.8%
Unoccupied housing units
10.9%
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.

Fort Knox housing costs

Housing costs in Fort Knox come to a median of $1,501 per month, while tenants specifically pay a median gross rent of $1,502.

Median housing costs per month
$1,501/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 Fort Knox
$1,502/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 Fort Knox

Fort Knox education at a glance

About 26.5% of the population in Fort Knox went to high school, while 25.1% pursued college studies. Another 10.1% earned an associate degree and 21.3% hold a bachelor’s. Meanwhile, 14.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 137 2.3% 19.1%
High school diploma 1,558 26.5% -3.8%
College diploma 1,477 25.1% -11.0%
Associate degree 596 10.1% -11.4%
Bachelor's degree 1,251 21.3% 8.6%
Graduate degree 857 14.6% 26.4%
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 Fort Knox

How much people earn in Fort Knox

The average annual household income in Fort Knox was $98,539 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +9.5% change from the previous year. At the same time, the median income stood at $82,663, reflecting a +11.4% shift over the same period.

Average household income in Fort Knox
$98,539/year
9.5% year-over-year change
Median household income in Fort Knox
$82,663/year
11.4% year-over-year change

Fort Knox income by age

In Fort Knox, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $73,253. Those with someone between 45 and 64 in charge, often well established professionally, earn $178,210 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $47,396, while those led by someone over 65, many of whom may be retired, have about $64,722 in earnings. Overall, 91.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $47,396 9.5%
25 - 44 $73,253 5.2%
45 - 64 $178,210 5.6%
Over 65 $64,722 21.8%
Above poverty level
6,457
Below poverty level
625
Value Percent YoY
change
Above poverty level 6,457 91.2% -0.1%
Below poverty level 625 8.8% 13.6%

Average renter income in Fort Knox

To get a better sense of what renters earn on average in Fort Knox, their median household income was $77,205 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 23.3%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$77,205
Rent-to-income ratio
23.3%
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 Fort Knox

Workforce and job types in Fort Knox

The job market in Fort Knox is powered by 1,485 working residents, spread across a range of industries and roles. 89.5% of the working population are employed in professional or administrative positions, while 10.5% are in hands-on or service-based jobs. Also, 1.4% run their own businesses, 52.7% are employed by private companies, and 39.7% work in the public sector.

Workforce demographics

Working population
1,485
-1.3% year-over-year change
White collar
1,329
Blue collar
156
Value Percent YoY change
White collar 1,329 89.5% 10.2%
Blue collar 156 10.5% -47.6%
Employer type
Self employees
1.4%
Private companies
52.7%
Governmental workers
39.7%
Not for profit companies
6.2%
Value Percent YoY change
Self employees 21 1.4% 5.0%
Private companies 782 52.7% -6.2%
Governmental workers 590 39.7% 4.8%
Not for profit companies 92 6.2% 5.8%
Unemployment rate
15.1%
51.4% year-over-year change

Available workforce

The unemployment rate in Fort Knox stands at 15.1%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Fort Knox

How people get around in Fort Knox

Commuting methods vary: 73.6% of residents travel by personal vehicle and 20.6% 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 3,377 73.6% -4.7%
Bicycle 36 0.8% 2.9%
Walk 946 20.6% 15.4%
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 Fort Knox by zipcode?

Zipcode Population Number of households Median income Average income
40121 8,836 2,226 $82,663 $98,539

Explore more communities

FAQs about Fort Knox demographics 

What is the total population of Fort Knox?

Fort Knox has a total population of 8,836 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 +1.4% compared to a year ago.

What is the gender ratio in Fort Knox?

The gender ratio in Fort Knox is as follows:
  • 54.6% males (4,824 residents)
  • 45.4% females (4,012 residents)

What is the median age in Fort Knox?

The median age in Fort Knox is 24.

What is the age distribution of the population in Fort Knox?

The age distribution in Fort Knox is as follows:
  • Under 15: 31.6% (2,788 residents)
  • Ages 15-24: 19.8% (1,752 residents)
  • Ages 25-44: 39.8% (3,516 residents)
  • Ages 45-64: 7.1% (624 residents)
  • Over 65: 1.8% (156 residents)

What is the racial and ethnic makeup of Fort Knox?

The racial and ethnic makeup of Fort Knox is as follows:
  • White: 55.6% (4,909 residents)
  • Black or African American: 16.4% (1,446 residents)
  • American Indian and Alaska Native: 0.8% (70 residents)
  • Asian: 2.8% (244 residents)
  • Native Hawaiian and Other Pacific Islander: 1.8% (155 residents)
  • Two or More Races: 19.9% (1,757 residents)
  • Other: 2.9% (255 residents)

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

U.S.-born citizens represent 89.5% of the population in Fort Knox.

How many housing units are there in Fort Knox?

There are 2,497 housing units in Fort Knox, 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 Fort Knox and what is the average household size?

Fort Knox has a total of 2,226 households, with an average of 3 people in each.

What is the median household income in Fort Knox?

Fort Knox has a median household income of $82,663, representing a +11.4% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Fort Knox?

The employment rate is 84.9% in Fort Knox, with a workforce of 1,485 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 89.5% (1,329 residents)
  • Blue-collar workers: 10.5% (156 residents)

Places of employment:
  • Self-employed: 1.4% (21 residents)
  • Private companies: 52.7% (782 residents)
  • Governmental workers: 39.7% (590 residents)
  • Not-for-profit companies: 6.2% (92 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