Joliet, MT demographics:
population, income, and more

Total population
613
-0.2% year-over-year change
Median household income
$77,396/yr
2.5% year-over-year change
Housing units
244
-5.8% year-over-year change

Joliet population

How many people live in Joliet

Joliet is home to 613 residents, according to the most recent Census data. Gender-wise, 50.9% of Joliet locals are male, and 49.1% are female.

Total population
613
-0.2% year-over-year change
Gender ratio
Male
50.9%
312
Female
49.1%
301
Value Percent YoY change
Male 312 50.9% -5.7%
Female 301 49.1% 6.4%
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 Joliet is 38, with the population distributed as follows: about 18.3% are children under 15, then 14.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 29.7% of the population, while another 21.5% fall into the 45 to 64 bracket. Finally, around 16.2% are 65 or older.

Median age
38.5
Age breakdown
Under 15
18.3%
15 to 24
14.4%
25 to 44
29.7%
45 to 64
21.5%
Over 65
16.2%
Value Percent YoY change
Under 15 112 18.3% -1.8%
15 to 24 88 14.4% 51.7%
25 to 44 182 29.7% 9.6%
45 to 64 132 21.5% -15.4%
Over 65 99 16.2% -17.5%
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 Joliet, 99% of the population are US-born citizens, while 1% have gained naturalized citizenship. There’s also a share of 3.1% that includes residents with two or more races.

Citizenship
U.S.-born citizens
99%
Non-U.S.-born citizens
1%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 607 99% -0.8%
Non-U.S.-born citizens 6 1% 200.0%
Racial breakdown
White
95.4%
Black or African American
0%
American Indian and Alaska Native
0.8%
Asian
0.5%
Native Hawaiian and other Pacific Islander
0.2%
Two or more races
3.1%
Other
0%
Value Percent
White 585 95.4%
American Indian and Alaska Native 5 0.8%
Asian 3 0.5%
Native Hawaiian and other Pacific Islander 1 0.2%
Two or more races 19 3.1%

Households in Joliet

A peek inside Joliet households

Joliet has 237 households, with an average of 3 members in each. Of these, 66.2% are families, while the remaining 33.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
237
-0.8% year-over-year change
Average people per household
3
Non-family households
80
Family households
157
Value Percent YoY change
Non-family households 80 33.8% 11.1%
Family households 157 66.2% -6.0%
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 Joliet

The housing landscape of Joliet

Joliet's housing consists of 244 units, with 78.3% 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 12.3% of the housing landscape.

Housing units
244
-5.8% year-over-year change
Housing types
Value Percent
1 unit, detached 191 78.3%
1 unit, attached 1 0.4%
3 or 4 units 22 9%
Mobile home 30 12.3%
Homes built since 2020
0
% year-over-year change

The age of buildings in Joliet

In Joliet, the median construction year is 1959. About 36.9% 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.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 90 36.9% 3.5%
Built between 1940 and 1949 14 5.7% 366.7%
Built between 1950 and 1959 21 8.6% 0.0%
Built between 1960 and 1969 33 13.5% -15.4%
Built between 1970 and 1979 44 18% -8.3%
Built between 1980 and 1989 24 9.8% -17.2%
Built between 1990 and 1999 8 3.3% -57.9%
Built between 2000 and 2009 10 4.1% -23.1%
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.

Joliet occupancy rates

Out of the 237 occupied housing units in Joliet, 86.1% are owner-occupied, while 13.9% are lived in by tenants. Meanwhile, 2.9% of all homes on the local market sit vacant.

Occupied housing units
237
-0.8% year-over-year change
Occupancy breakdown
Renter occupied
33
Owner occupied
204
Value Percent YoY
change
Renter occupied 33 13.9% 50.0%
Owner occupied 204 86.1% -6.0%
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.

Joliet housing costs

Housing costs in Joliet come to a median of $1,106 per month, while tenants specifically pay a median gross rent of $718.

Median housing costs per month
$1,106/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 Joliet
$718/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 Joliet

Joliet education at a glance

About 44.1% of the population in Joliet went to high school, while 28% pursued college studies. Another 11.6% earned an associate degree and 10.5% hold a bachelor’s. Meanwhile, 5.8% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
High school diploma 214 44.1% 7.5%
College diploma 136 28% 6.2%
Associate degree 56 11.6% -20.0%
Bachelor's degree 51 10.5% 4.1%
Graduate degree 28 5.8% -24.3%
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 Joliet

How much people earn in Joliet

The average annual household income in Joliet was $74,168 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -7.9% change from the previous year. At the same time, the median income stood at $77,396, reflecting a +2.6% shift over the same period.

Average household income in Joliet
$74,168/year
-7.9% year-over-year change
Median household income in Joliet
$77,396/year
2.5% year-over-year change

Joliet income by age

In Joliet, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $91,250. Those with someone between 45 and 64 in charge, often well established professionally, earn $87,656 overall. Overall, 86% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $91,250 0.0%
45 - 64 $87,656 1.4%
Over 65 $39,375 -5.0%
Above poverty level
527
Below poverty level
86
Value Percent YoY
change
Above poverty level 527 86% -3.3%
Below poverty level 86 14% 24.6%

Employment in Joliet

Workforce and job types in Joliet

The job market in Joliet is powered by 331 working residents, spread across a range of industries and roles. 74.9% of the working population are employed in professional or administrative positions, while 25.1% are in hands-on or service-based jobs. Also, 12.7% run their own businesses, 73.1% are employed by private companies, and 11.8% work in the public sector.

Workforce demographics

Working population
331
0.6% year-over-year change
White collar
248
Blue collar
83
Value Percent YoY change
White collar 248 74.9% 5.1%
Blue collar 83 25.1% -10.8%
Employer type
Self employees
12.7%
Private companies
73.1%
Governmental workers
11.8%
Not for profit companies
2.4%
Value Percent YoY change
Self employees 42 12.7% 10.5%
Private companies 242 73.1% 0.4%
Governmental workers 39 11.8% -2.5%
Not for profit companies 8 2.4% -20.0%

Transportation in Joliet

How people get around in Joliet

Commuting methods vary: 63.6% of residents travel by personal vehicle and 21.4% 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 199 63.6% -1.5%
Walk 67 21.4% 4.7%
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 Joliet by zipcode?

Zipcode Population Number of households Median income Average income
59041 2,258 786 $80,500 $112,192

Explore more communities

FAQs about Joliet demographics 

What is the total population of Joliet?

Joliet has a total population of 613 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 -0.2% compared to a year ago.

What is the gender ratio in Joliet?

The gender ratio in Joliet is as follows:
  • 50.9% males (312 residents)
  • 49.1% females (301 residents)

What is the median age in Joliet?

The median age in Joliet is 38.5.

What is the age distribution of the population in Joliet?

The age distribution in Joliet is as follows:
  • Under 15: 18.3% (112 residents)
  • Ages 15-24: 14.4% (88 residents)
  • Ages 25-44: 29.7% (182 residents)
  • Ages 45-64: 21.5% (132 residents)
  • Over 65: 16.2% (99 residents)

What is the racial and ethnic makeup of Joliet?

The racial and ethnic makeup of Joliet is as follows:
  • White: 95.4% (585 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0.8% (5 residents)
  • Asian: 0.5% (3 residents)
  • Native Hawaiian and Other Pacific Islander: 0.2% (1 residents)
  • Two or More Races: 3.1% (19 residents)
  • Other: 0% (0 residents)

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

U.S.-born citizens represent 99% of the population in Joliet.

How many housing units are there in Joliet?

There are 244 housing units in Joliet, reflecting a -5.8% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Joliet has a total of 237 households, with an average of 3 people in each.

What is the median household income in Joliet?

Joliet has a median household income of $77,396, representing a +2.5% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Joliet?

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

Job types:
  • White-collar workers: 74.9% (248 residents)
  • Blue-collar workers: 25.1% (83 residents)

Places of employment:
  • Self-employed: 12.7% (42 residents)
  • Private companies: 73.1% (242 residents)
  • Governmental workers: 11.8% (39 residents)
  • Not-for-profit companies: 2.4% (8 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