This page delivers traffic analytics for Polk County, Oregon. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Polk County, Oregon among 351 road miles divided in 7,184 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 258 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.
4,539
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
7.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
35.6 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.
15.3%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.2 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$83,043
Our data indicates an estimated average traffic volume of 4,539 vehicles per day in Polk County, Oregon that results in 1,522,964 vehicle-miles traveled per day (≈556 million per year). The traffic stream is comprised of an average of 1 truck for every 14 vehicles. Typical time spent behind the wheel per trip is 35.6 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Oregon state averages: Polk sees 23% lower average daily traffic volume than the state average (4,539 vehicles per day against 5,908), suggesting less demand on each road - a critical factor for logistics and site planning. Network-wide, Polk accounts for about 1.8% of Oregon's statewide total, at 1,522,964 vehicle-miles traveled per day (≈556 million per year). The average trip takes 35.6 minutes, 4% higher than the state level. The congestion ratio of 15.3% is 7% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. 69% of counties in Oregon see less traffic than Polk's 4,539 vehicles per day. On travel time, Polk runs longer than 60% of counties in Oregon.
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.
13,540
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
8.2%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
41.1 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.
28.3%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$77,941
A significant volume of traffic in Polk County, Oregon utilizes the highway network. The average highway carries 13,540 vehicles per day, 299% more than the average non-highway road in the same area, which carries 3,395 vehicles per day. That average covers 73 highway road miles divided in 810 segments (average segment length 479 ft), together carrying 841,764 vehicle-miles traveled per day (≈307 million per year). Trucks constitute 8.2% of highway traffic.
Analytical insight
The concentration of trucks on highways (8.2%) is 31% lower than the state average for similar road classifications. This indicates Polk serves as a primarily local traffic hub. For logistics operators, this validates the importance of local access. Polk's highway truck share (8.2%) is higher than 25% of counties in Oregon. By raw truck volume, Polk carries more highway trucks than 38% of counties in Oregon.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
3,395
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
5.7%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
35.0 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.
13.7%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$86,402
The non-highway road network in Polk County, Oregon supports a substantial volume of traffic. The average non-highway road carries 3,395 vehicles per day, 75% less than the average highway in the same area, which carries 13,540 vehicles per day. That average covers 278 non-highway road miles divided in 6,374 segments (average segment length 230 ft), together carrying 681,200 vehicle-miles traveled per day (≈249 million per year). Trucks constitute 5.7% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 31% lower than the highway network. Non-highway congestion (13.7%) runs 15% lower than the state average, pointing to smoother local traffic flow. 60% of counties in Oregon see shorter overall travel times than Polk. 80% of counties in Oregon see lower average driver income among trip origins than Polk. The driver population here skews older than 14% of counties in Oregon.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–12:00 PM and PM peak 4:00 PM–7:00 PM, with volumes reaching approximately 86% higher than the daily average.
Weekend traffic:
Weekend volumes run about 11% below weekday levels.
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +10% versus the annual average.
Lowest month:
February is the quietest month, with volumes -12% versus the annual average.
Analytical insight
In Polk County, Oregon, the peak hour concentrates about 8% of the day's traffic, and seasonal swing is pronounced at +10% in high season.
Traffic Flow Profile Comparison
Metric
Polk
Oregon
Average
Difference
Traffic
4,539
5,908
-23.2%
Truck % (Total Traffic)
7.1%
9.2%
-22.9%
Truck % (Highway)
8.2%
12.0%
-31.3%
Avg. Travel Time
35.6 min
34.3 min
+4.0%
Frequently Asked Questions
The average daily traffic volume is calculated at 4,539 vehicles per day, providing a baseline for daily operations and site assessment.
The driver population in Polk skews older than 14% of counties in Oregon.
Traffic volumes are typically 10% higher during June–August. Volumes drop to their lowest levels in February, averaging 3,990 vehicles per day - a 12% decrease from the annual average.
Weekday peaks occur between 7:00 AM and 12:00 PM in the morning and between 4:00 PM and 7:00 PM in the evening - about 86% above the daily average.
Trucks account for approximately 7.1% of the total traffic mix across all road types, with a significantly higher concentration of 8.2% on highways.
The average travel time for drivers is 35.6 minutes, offering a standard metric for commute and delivery route planning.
Approximately 36% of highway traffic and 15% of non-highway traffic consists of vehicles whose trip originates outside Polk County, Oregon. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
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)
