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Perry County, Illinois Traffic Counts

This page delivers traffic analytics for Perry County, Illinois. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Perry County, Illinois among 158 road miles divided in 1,565 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 535 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.
Data current as of:
Q3 2026
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Total Traffic Volume & Performance

Traffic

Traffic

The average number of vehicles that travel each day over any road in the road network.

3,054

Trucks

Trucks

The percentage of the total traffic volume composed of heavy vehicles.

8.5%

Average travel time

Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

36.1 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.

8.9%

Drivers’ average age

Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

47.2 yrs

Drivers’ average income

Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$65,200

Our data indicates an estimated average traffic volume of 3,054 vehicles per day in Perry County, Illinois that results in 377,765 vehicle-miles traveled per day (≈138 million per year). The traffic stream is comprised of an average of 1 truck for every 12 vehicles. Typical time spent behind the wheel per trip is 36.1 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the Illinois state averages: Perry sees 64% lower average daily traffic volume than the state average (3,054 vehicles per day against 8,480), suggesting less demand on each road - a critical factor for logistics and site planning. In total volume terms, its road network carries 377,765 vehicle-miles traveled per day (≈138 million per year), about 0.2% of Illinois's statewide total. The average trip takes 36.1 minutes, 6% higher than the state level. At 57% lower than the state level, the 8.9% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning. 53% of counties in Illinois see less traffic than Perry's 3,054 vehicles per day. Its average travel time of 36.1 minutes is longer than 82% of counties in Illinois.

Highway vs. Non-Highway Traffic Analysis

Analytical insight

N/A
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Non-highway traffic

Traffic

Traffic

The average number of vehicles that travel each day over any road in the road network.

3,054

Trucks

Trucks

The percentage of the total traffic volume composed of heavy vehicles.

8.5%

Average travel time

Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

36.1 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.

8.9%

Drivers’ average age

Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

47.2 yrs

Drivers’ average income

Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$65,200

The non-highway road network in Perry County, Illinois supports a substantial volume of traffic. The average non-highway road carries 3,054 vehicles per day. That average covers 158 non-highway road miles divided in 1,565 segments (average segment length 535 ft), together carrying 377,765 vehicle-miles traveled per day (≈138 million per year). Trucks constitute 8.5% of non-highway traffic.

Analytical insight

At 57% lower than the state level, the non-highway congestion ratio of 8.9% signals easier movement on local roads. 82% of counties in Illinois see shorter overall travel times than Perry. 26% of counties in Illinois see lower average driver income among trip origins than Perry. Perry's median driver age is higher than 23% of counties in Illinois.

Time-of-Day & Seasonal Patterns

Analytical insight

In Perry County, Illinois, the peak hour concentrates about 7% of the day's traffic.

Traffic Flow Profile Comparison

Metric

Perry

Illinois
Average

Difference

Traffic

3,054

8,480

-64.0%

Truck % (Total Traffic)

8.5%

10.2%

-16.6%

Truck % (Highway)

17.3%

Avg. Travel Time

36.1 min

34.1 min

+5.9%

How Perry County compares

Perry County against nearby areas

Set against the average of the 4 areas nearest to it, Perry County moves 39.7% of the total daily travel; it has the fourth busiest roads of the five. The same kind of road, just less of it: traffic per road matches the areas around it while the network itself is smaller.

Perry County and the 4 nearest county-level areas by centroid distance, with the Illinois average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Perry County3,0548.5%377,76536.1 min8.9%
Washington County, Illinois2,99418.7%1,213,45540.5 min6.9%
Jackson County, Illinois3,2956.4%904,75534.3 min8.8%
Franklin County, Illinois3,54616.2%1,158,25633.3 min10.5%
Randolph County, Illinois3,5857.7%530,32833.8 min11.0%
Illinois average8,48010.2%N/A34.1 min20.6%

Perry County ranked within Illinois

Average travel time places Perry County #19 of 102 in Illinois - the top quarter of the state.

Where Perry County sits among Illinois's county-level areas on each measure. Rank 1 is the highest value in the state, whether or not that is the outcome you want; the field size differs by measure because not every county carries highway data.
MeasurePerry CountyIllinois rank
Traffic volume (AADT)3,054#48 of 102
Average travel time36.1 min#19 of 102
Average driver income$65,200#76 of 102
Average driver age47.2 yrs#79 of 102

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)

Road sensor networks and traffic counters

Historical traffic pattern databases

Public traffic count programs published by the

IllinoisDepartment of Transportation

Historical traffic pattern databases

U.S. Census Bureau
All metrics represent estimates based on statistical modeling and are intended for strategic planning purposes.
TrafficZoom methodology
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Data current as of:
Q3 2026

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Counties near Perry County

The same traffic breakdown for the areas closest to Perry County, Illinois.

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