Gallatin County, IL demographics:
population, income, and more

Total population
4,819
-0.8% year-over-year change
Median household income
$59,219/yr
8.4% year-over-year change
Housing units
2,505
-0.0% year-over-year change

Gallatin County population

How many people live in Gallatin County

Gallatin County is home to 4,819 residents, according to the most recent Census data. Gender-wise, 50.4% of Gallatin County locals are male, and 49.6% are female.

Total population
4,819
-0.8% year-over-year change
Gender ratio
Male
50.4%
2,428
Female
49.6%
2,391
Value Percent YoY change
Male 2,428 50.4% -0.0%
Female 2,391 49.6% -1.5%
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 Gallatin County is 47, with the population distributed as follows: about 16.9% are children under 15, then 9.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 20.8% of the population, while another 27.6% fall into the 45 to 64 bracket. Finally, around 25.2% are 65 or older.

Median age
46.7
Age breakdown
Under 15
16.9%
15 to 24
9.6%
25 to 44
20.8%
45 to 64
27.6%
Over 65
25.2%
Value Percent YoY change
Under 15 814 16.9% 3.2%
15 to 24 460 9.6% -3.2%
25 to 44 1,000 20.8% -3.4%
45 to 64 1,328 27.6% 1.2%
Over 65 1,217 25.2% -2.3%
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 Gallatin County, 99.2% of the population are US-born citizens, while 0.6% have gained naturalized citizenship. At the same time, 0.2% of residents are non-citizens. As for race, 96.2% of locals are Caucasian, 1.1% are African American and 0.8% have Asian roots. There’s also a share of 1.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
99.2%
Non-U.S.-born citizens
0.6%
Non-citizens
0.2%
Value Percent YoY change
U.S.-born citizens 4,782 99.2% -1.1%
Non-U.S.-born citizens 30 0.6% 130.8%
Non-citizens 7 0.2% -30.0%
Racial breakdown
White
96.2%
Black or African American
1.1%
American Indian and Alaska Native
0.1%
Asian
0.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
1.8%
Other
0%
Value Percent
White 4,635 96.2%
Black or African American 54 1.1%
American Indian and Alaska Native 6 0.1%
Asian 37 0.8%
Two or more races 87 1.8%

Households in Gallatin County

A peek inside Gallatin County households

Gallatin County has 2,098 households, with an average of 2 members in each. Of these, 61.5% are families, while the remaining 38.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
2,098
0.1% year-over-year change
Average people per household
2
Non-family households
808
Family households
1,290
Value Percent YoY change
Non-family households 808 38.5% 0.4%
Family households 1,290 61.5% -0.1%
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 Gallatin County

The housing landscape of Gallatin County

Gallatin County's housing consists of 2,505 units, with 73.4% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 18.1% of the housing landscape.

Housing units
2,505
-0.0% year-over-year change
Housing types
Value Percent
1 unit, detached 1,839 73.4%
2 units 146 5.8%
3 or 4 units 35 1.4%
5 to 9 units 4 0.2%
10 to 19 units 19 0.8%
20 to 49 units 7 0.3%
Mobile home 453 18.1%
Boat, RV, van, etc. 2 0.1%
Homes built since 2020
0
% year-over-year change

The age of buildings in Gallatin County

In Gallatin County, the median construction year is 1969. About 15% of homes were built before the 1940s, with another 9.7% 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 376 15% -0.8%
Built between 1940 and 1949 243 9.7% 17.4%
Built between 1950 and 1959 351 14% 42.1%
Built between 1960 and 1969 301 12% -19.3%
Built between 1970 and 1979 519 20.7% -10.1%
Built between 1980 and 1989 276 11% 7.4%
Built between 1990 and 1999 210 8.4% 20.7%
Built between 2000 and 2009 129 5.2% -16.8%
Built between 2010 and 2019 100 4% -27.0%
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.

Gallatin County occupancy rates

Out of the 2,098 occupied housing units in Gallatin County, 77.4% are owner-occupied, while 22.6% are lived in by tenants. Meanwhile, 16.2% of all homes on the local market sit vacant.

Occupied housing units
2,098
0.1% year-over-year change
Occupancy breakdown
Renter occupied
474
Owner occupied
1,624
Value Percent YoY
change
Renter occupied 474 22.6% 15.3%
Owner occupied 1,624 77.4% -3.6%
Unoccupied housing units
16.2%
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.

Gallatin County housing costs

Housing costs in Gallatin County come to a median of $597 per month, while tenants specifically pay a median gross rent of $541.

Median housing costs per month
$597/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 Gallatin County
$541/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 Gallatin County

Gallatin County education at a glance

About 48.3% of the population in Gallatin County went to high school, while 22.5% pursued college studies. Another 12.5% earned an associate degree and 7.9% hold a bachelor’s. Meanwhile, 4.7% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 156 4.1% -13.8%
High school diploma 1,850 48.3% 2.7%
College diploma 864 22.5% -4.7%
Associate degree 479 12.5% 6.0%
Bachelor's degree 304 7.9% -12.9%
Graduate degree 180 4.7% -12.2%
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 Gallatin County

How much people earn in Gallatin County

The average annual household income in Gallatin County was $77,408 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -12.5% change from the previous year. At the same time, the median income stood at $59,219, reflecting a +8.4% shift over the same period.

Average household income in Gallatin County
$77,408/year
-12.5% year-over-year change
Median household income in Gallatin County
$59,219/year
8.4% year-over-year change

Gallatin County income by age

In Gallatin County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $76,250. Those with someone between 45 and 64 in charge, often well established professionally, earn $61,708 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $18,500, while those led by someone over 65, many of whom may be retired, have about $51,188 in earnings. Overall, 86.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $18,500 N/A
25 - 44 $76,250 8.8%
45 - 64 $61,708 2.5%
Over 65 $51,188 7.5%
Above poverty level
4,101
Below poverty level
639
Value Percent YoY
change
Above poverty level 4,101 86.5% 1.1%
Below poverty level 639 13.5% -14.8%

Employment in Gallatin County

Workforce and job types in Gallatin County

The job market in Gallatin County is powered by 2,003 working residents, spread across a range of industries and roles. 63.4% of the working population are employed in professional or administrative positions, while 36.6% are in hands-on or service-based jobs. Also, 15% run their own businesses, 61.1% are employed by private companies, and 17.3% work in the public sector.

Workforce demographics

Working population
2,003
-6.4% year-over-year change
White collar
1,270
Blue collar
733
Value Percent YoY change
White collar 1,270 63.4% -10.0%
Blue collar 733 36.6% 0.6%
Employer type
Self employees
15%
Private companies
61.1%
Governmental workers
17.3%
Not for profit companies
6.6%
Value Percent YoY change
Self employees 300 15% 34.5%
Private companies 1,224 61.1% -14.5%
Governmental workers 346 17.3% -5.7%
Not for profit companies 133 6.6% 12.7%
Unemployment rate
9.2%
19.5% year-over-year change

Available workforce

The unemployment rate in Gallatin County stands at 9.2%, 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 Gallatin County

How people get around in Gallatin County

Commuting methods vary: 96.8% of residents travel by personal vehicle and 0.1% 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 1,888 96.8% -7.8%
Walk 2 0.1% 0.0%
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 Gallatin County by zipcode?

Zipcode Population Number of households Median income Average income
62934 833 377 $54,107 $85,828
62954 411 190 $67,756 $73,727
62979 930 474 $50,625 $92,638
62984 1,393 628 $50,288 $66,494
62867 568 211 $36,845 $58,098
62871 866 266 $107,750 $108,659

Explore more communities

FAQs about Gallatin County demographics 

What is the total population of Gallatin County?

Gallatin County has a total population of 4,819 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 -0.8% compared to a year ago.

What is the gender ratio in Gallatin County?

The gender ratio in Gallatin County is as follows:
  • 50.4% males (2,428 residents)
  • 49.6% females (2,391 residents)

What is the median age in Gallatin County?

The median age in Gallatin County is 46.7.

What is the age distribution of the population in Gallatin County?

The age distribution in Gallatin County is as follows:
  • Under 15: 16.9% (814 residents)
  • Ages 15-24: 9.6% (460 residents)
  • Ages 25-44: 20.8% (1,000 residents)
  • Ages 45-64: 27.6% (1,328 residents)
  • Over 65: 25.2% (1,217 residents)

What is the racial and ethnic makeup of Gallatin County?

The racial and ethnic makeup of Gallatin County is as follows:
  • White: 96.2% (4,635 residents)
  • Black or African American: 1.1% (54 residents)
  • American Indian and Alaska Native: 0.1% (6 residents)
  • Asian: 0.8% (37 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 1.8% (87 residents)
  • Other: 0% (0 residents)

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

U.S.-born citizens represent 99.2% of the population in Gallatin County.

How many housing units are there in Gallatin County?

There are 2,505 housing units in Gallatin County, reflecting a -0.0% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Gallatin County has a total of 2,098 households, with an average of 2 people in each.

What is the median household income in Gallatin County?

Gallatin County has a median household income of $59,219, representing a +8.4% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Gallatin County?

The employment rate is 90.8% in Gallatin County, with a workforce of 2,003 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 63.4% (1,270 residents)
  • Blue-collar workers: 36.6% (733 residents)

Places of employment:
  • Self-employed: 15% (300 residents)
  • Private companies: 61.1% (1,224 residents)
  • Governmental workers: 17.3% (346 residents)
  • Not-for-profit companies: 6.6% (133 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