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Junction City, IL
Village in Marion County, Illinois.
Population
638
Land area
0.7sq mi
People per sq mi
933
ZIP codes
0
Junction City and its ZIP codes
Junction City at a glance
- Junction City is about 4.1 times as dense as Illinois as a whole.
- The median household income is $56,364, 32% below the Illinois median of $83,390.
- A typical owner-occupied home is valued at $83,500 (68% below Illinois) and median rent is $878 a month.
Housing and community stats
Junction City, IL, American Community Survey 2020-2024
Median household income
$56,364
Poverty rate
14.7%
Median home value
$83,500
Median rent
$878/mo
Homeownership
72.5%
Bachelor's or higher
2.0%
Median age
36.2
Average commute
23.0 min
Largest reported origins and ancestries: German Americans (175), Irish Americans (85), French Americans (53).
Economy and federal money
Jobs, pay, income and spending are for Marion County. PPP loans are for Junction City.
Unemployment rate
4.2%
Sep 2026, -0.8 pts in a year
Average annual pay
$51,566
12,335 jobs, 2025
Income per person
$56,066
BEA, 2024
Federal spending
$258M
FY 2026, $6,847 per person
How people get to work
Junction City, IL, workers 16 and older. American Community Survey 5-year estimates
- Drove alone80.2%
- Carpooled11.1%
- Public transit0.0%
- Walked1.6%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other3.7%
- Worked from home3.3%
Average one-way commute: 23.0 minutes for people who do not work from home.
Environment and hazard risk
Junction City, IL, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: earthquake
Storm events since 1996
427
Countywide, mostly thunderstorm wind
Flood insurance policies
18
0.1% of homes, county
July high / Jan low
88° / 21°F
44.7 inches of rain a year
Health statistics
Share of adults in Junction City, IL, CDC PLACES estimates
Obesity
42.7%
U.S. 33.3% +9.4 pts
Diabetes
14.6%
U.S. 12.1% +2.5 pts
Smoking
23.2%
U.S. 12.8% +10.4 pts
Uninsured (18-64)
11.7%
U.S. 11.1% +0.6 pts
Cities near Junction City
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Central CityVillage | 1.8 mi | 0.6 |
| SandovalVillage | 2.3 mi | 1 |
| OdinVillage | 4.7 mi | 1 |
| CentraliaCity | 4.8 mi | 8.2 |
| WamacCity | 5.4 mi | 1.4 |
| HoffmanVillage | 8 mi | 0.5 |
| Walnut HillVillage | 8 mi | 0.4 |
| HueyVillage | 9.1 mi | 0.2 |
| IrvingtonVillage | 9.6 mi | 1 |
| SalemCity | 10 mi | 7 |
| HoyletonVillage | 12 mi | 0.8 |
| PatokaVillage | 12 mi | 1.1 |
| DixVillage | 13 mi | 2.1 |
| KellVillage | 13 mi | 1 |
| CarlyleCity | 14 mi | 3.4 |
| RichviewVillage | 14 mi | 1.1 |
Frequently asked questions
- What county is Junction City, IL in?
- Junction City is in Marion County, Illinois.
- What is the population of Junction City, IL?
- About 638 people live in Junction City, based on American Community Survey 5-year estimates.
- What cities are near Junction City?
- Nearby places include Central City (1.8 mi), Sandoval (2.3 mi), Odin (4.7 mi), Centralia (4.8 mi), Wamac (5.4 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023