This page delivers traffic analytics for Marion County, Illinois. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Marion County, Illinois among 200 road miles divided in 1,444 segments. Our metrics go beyond simple volume counts to provide actionable insights on traffic intensity, congestion, commercial vehicle flow, and network performance with highest possible granularity (average segment length is 730 ft). Whether you are evaluating a new retail location, planning logistics routes, or assessing infrastructure needs, this data helps you move from assumptions to certainty.
Data sourced from TrafficZoom's proprietary analytics platform.
The average number of vehicles that travel each day over any road in the road network.
5,038
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
18.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.8 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
12.8%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
50.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$63,560
Our data indicates an estimated average traffic volume of 5,038 vehicles per day in Marion County, Illinois that results in 866,130 vehicle-miles traveled per day (≈316 million per year). The traffic stream is comprised of an average of 1 truck for every 5 vehicles. Typical time spent behind the wheel per trip is 33.8 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Illinois state averages: Marion sees 41% lower average daily traffic volume than the state average (5,038 vehicles per day against 8,480), suggesting less demand on each road - a critical factor for logistics and site planning. Network-wide, Marion accounts for about 0.4% of Illinois's statewide total, at 866,130 vehicle-miles traveled per day (≈316 million per year). At 33.8 minutes, the average travel time is 1% lower than the state level. The congestion ratio of 12.8% is 38% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. By volume, Marion's 5,038 vehicles per day outpaces 82% of counties in Illinois. On travel time, Marion runs longer than 52% of counties in Illinois.
Highway vs. Non-Highway Traffic Analysis
Highway Traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
7,821
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
25.7%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.1 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
15.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
50.4 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$63,484
A significant volume of traffic in Marion County, Illinois utilizes the highway network. The average highway carries 7,821 vehicles per day, 96% more than the average non-highway road in the same area, which carries 3,994 vehicles per day. That average covers 84 highway road miles divided in 394 segments (average segment length 1,128 ft), together carrying 540,137 vehicle-miles traveled per day (≈197 million per year). That is more highway travel volume than 51% of counties in Illinois. Trucks constitute 25.7% of highway traffic.
Analytical insight
Highway truck concentration here runs 48% higher than the state average, at 25.7% - positioning Marion as a significant freight corridor. For logistics operators, this validates the importance of highway access. 70% of counties in Illinois see a lower highway truck share than Marion's 25.7%. By raw truck volume, Marion carries more highway trucks than 42% of counties in Illinois.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
3,994
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.6%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.6 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
11.6%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
49.8 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$63,622
The non-highway road network in Marion County, Illinois supports a substantial volume of traffic. The average non-highway road carries 3,994 vehicles per day, 49% less than the average highway in the same area, which carries 7,821 vehicles per day. That average covers 115 non-highway road miles divided in 1,050 segments (average segment length 580 ft), together carrying 325,993 vehicle-miles traveled per day (≈119 million per year). Trucks constitute 6.6% of non-highway traffic.
Analytical insight
The concentration of trucks on non-highway roads is 74% lower than on highways. The non-highway congestion ratio of 11.6% is 44% lower than the state level, suggesting more efficient local mobility than the state average. Overall, average travel time here is longer than 52% of counties in Illinois. Marion's average driver income exceeds 19% of counties in Illinois. The driver population here skews older than 62% of counties in Illinois.
Time-of-Day & Seasonal Patterns
Analytical insight
In Marion County, Illinois, the peak hour concentrates about 7% of the day's traffic.
Traffic Flow Profile Comparison
Metric
Marion
Illinois
Average
Difference
Traffic
5,038
8,480
-40.6%
Truck % (Total Traffic)
18.5%
10.2%
+82.1%
Truck % (Highway)
25.7%
17.3%
+48.5%
Avg. Travel Time
33.8 min
34.1 min
-1.0%
Frequently Asked Questions
The average daily traffic volume is calculated at 5,038 vehicles per day, providing a baseline for daily operations and site assessment.
Trip origins in Marion have higher average income than 19% of counties in Illinois.
Approximately 12% of highway traffic and 18% of non-highway traffic consists of vehicles whose trip originates outside Marion County, Illinois.
Drivers on Marion roads have a median age of 50 years, and the median household income of the neighborhoods trips originate from averages $63,560 - useful context for retail siting and customer profiling.
Weekday peaks occur between 7:00 AM and 9:00 AM in the morning and between 3:00 PM and 7:00 PM in the evening - about 67% above the daily average.
The average travel time for drivers is 33.8 minutes, offering a standard metric for commute and delivery route planning.
Trucks account for approximately 18.5% of the total traffic mix across all road types, with a significantly higher concentration of 25.7% on highways.
Data Sources & Methodology
The data presented on this page is derived from TrafficZoom's proprietary analytics platform, which aggregates and normalizes information from multiple sources, including:
Mobile device location data (anonymized and aggregated)
