Logan County, Illinois Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Logan County, IL Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around averageHealthier than 77% of counties in Illinois
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D
Income Well below averageLess wealthy than 78% of counties in Illinois
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D
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Logan County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Population | 27,712 | 12,692,444 | 337,468,954 |
| Population density (per sq mi) | 44.8 | 219.1 | 86.4 |
| Population growth (%/yr) | -0.91% | -0.16% | 0.59% |
| Median age | 42.0 | 37.4 | 37.3 |
| Households | 11,266 | 5,035,584 | 130,235,071 |
Population in Logan County declined by 7.5% from 2009 to 2024, reaching 27,712 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Logan County is Gen Z, aged 13–28, at 21.7% of residents. That is 0.5 points above Illinois as a whole.
- Gen Z 13–28 6,025 21.7% +0.5 pts
- Millennials 29–44 5,868 21.2% -0.7 pts
- Gen X 45–60 5,609 20.2% -0.2 pts
- Boomers 61–79 5,050 18.2% +1.3 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Illinois, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.7% of the people living in Logan County and men 49.3%.
- Women 50.7% Illinois 50.6%
- Men 49.3% Illinois 49.4%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Logan County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Logan County has a the economy index of D, which means it is barely prosperous.
| Metric | Logan County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Median household income | $66,476 | $84,042 | $80,455 |
| Income growth (%/yr) | 2.83% | 4.46% | 4.80% |
| Unemployment rate | 4.0% | 5.8% | 5.2% |
The median household income in Logan County is about 21% lower than in Illinois.
Housing
| Metric | Logan County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Median home price | $87,894 | $149,936 | $248,835 |
| Median rent | $829 | $1,274 | $1,407 |
| Homeownership rate | 68.5% | 67.1% | 65.2% |
The median home price in Logan County is about 8.8 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $829 per month for that long.
Commute Time & Mobility
Commuters in Logan County spend about 32 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 135 hours, about 5.6 full days, spent commuting.
| Metric | Logan County | Illinois Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 16.2 | 23.6 | 22.4 |
| Round-trip commute (min) | 32.5 | 47.3 | 44.8 |
| Yearly time spent (hours) | 135 | 197 | 187 |
| Estimated yearly cost | $4,197 | $6,104 | $5,790 |
| Work from home | 8.7% | 15.9% | 15.0% |
| Highway traffic (vehicles/day) | 4,585 | 7,977 | 8,813 |
| Local road traffic (vehicles/day) | 739 | 1,547 | 1,355 |
Fastest commutes among counties in
Illinois:
Edgar County (12.0 min), Brown County (12.7 min), Morgan County (13.1 min).
Slowest:
Calhoun County (43.8 min), Pulaski County (31.2 min), Pope County (31.0 min).
The average commute time in Logan County is 16 minutes, shorter than the 24 minutes in Illinois.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Logan County has a education index of D, which means it is barely educated.
| Metric | Logan County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 19.2% | 34.1% | 31.6% |
| Average household size | 2.16 | 2.46 | 2.53 |
Highest education index among counties in
Illinois:
DuPage County (0.4), Champaign County (0.4), Lake County (0.4).
Lowest:
Hardin County (0.2), Fayette County (0.2), Perry County (0.2).
Health
Logan County has a health index of B, which means it is quite healthy.
| Metric | Logan County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 77.2 | 77.9 | 78.3 |
| Self-rated poor health | 13.8% | 15.6% | 16.3% |
| Smokers | 18.0% | 19.2% | 19.0% |
Highest health index among counties in
Illinois:
DuPage County (0.8), Champaign County (0.8), Monroe County (0.8).
Lowest:
Alexander County (0.8), Pulaski County (0.8), Gallatin County (0.8).
Logan County, IL Compared With Nearby Counties
Logan County, IL is the smallest of the 4 counties compared here, 27,712 residents against a local median of 130,271. The measure that sets Logan County, IL apart most is median home price: $87,894, 32% above the local median of $66,497.
The counties themselves spread $95,971 on median home price, so Logan County, IL sits at one end of an already wide local range rather than apart from it. Logan County, IL has the 2nd highest median home price of the 4 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Logan County, IL | 27,712 | $66,476 #3/4 | $87,894 #2/4 | 16.2 min #1/4 |
| Tazewell County, IL | 130,271 | $77,722 | $161,953 | 20.0 min |
| Sangamon County, IL | 194,875 | $75,401 | $66,497 | 17.6 min |
| Macon County, IL | 101,849 | $62,654 | $65,982 | 16.7 min |
Frequently Asked Questions
Common questions about Logan County, Illinois.
How big is Logan County, Illinois by population?
About 27,712 people live in Logan County, Illinois, in 11,266 households of 2.2 people on average. The median age is 42.0, so residents are older than the U.S. median of 37.3 by about 5 years.
Is Logan County, Illinois urban or rural?
Averaged over its land area, Logan County, Illinois has 45 people per square mile, a density typical of rural areas. That is about 52% of the U.S. average of 86.
Is Logan County, Illinois an affordable place to live?
The median home costs 1.3 times the median household income ($87,894 against $66,476), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $829 a month takes about 15% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is unemployment high in Logan County, Illinois?
Unemployment in Logan County, Illinois is only 4.0%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How common is a college degree in Logan County, Illinois?
19.2% of adults in Logan County, Illinois hold a bachelor's degree or higher (about 1 in 5), well below the U.S. share of 31.6%.
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