This page delivers traffic analytics for Marion County, Oregon. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Marion County, Oregon among 1,054 road miles divided in 29,240 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 190 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.
5,716
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
8.4%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.2 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.
17.1%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
43.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$82,611
Our data indicates an estimated average traffic volume of 5,716 vehicles per day in Marion County, Oregon that results in 7,660,193 vehicle-miles traveled per day (≈2.8 billion 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 34.2 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Oregon state averages: Marion sees 3% lower average daily traffic volume than the state average (5,716 vehicles per day against 5,908), suggesting less demand on each road - a critical factor for logistics and site planning. Across the whole network that adds up to 7,660,193 vehicle-miles traveled per day (≈2.8 billion per year), roughly 8.8% of Oregon's statewide total. The average trip takes 34.2 minutes, on par with the state level. Congestion runs 3% higher than the state level, at a ratio of 17.1% - more pronounced congestion - crucial for traffic control improvement and logistics planning. Marion carries more traffic than 83% of counties in Oregon. On travel time, Marion runs longer than 37% 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.
17,072
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
11.3%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
44.4 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.
31.5%
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.
$82,937
A significant volume of traffic in Marion County, Oregon utilizes the highway network. The average highway carries 17,072 vehicles per day, 222% more than the average non-highway road in the same area, which carries 5,301 vehicles per day. That average covers 179 highway road miles divided in 1,031 segments (average segment length 917 ft), together carrying 4,135,165 vehicle-miles traveled per day (≈1.5 billion per year). By highway travel volume, that ranks Marion in the top 3 counties in Oregon. Trucks constitute 11.3% of highway traffic.
Analytical insight
At 11.3%, highway truck share is 6% lower than the state average, marking Marion as a primarily local traffic hub - underscoring the importance of local access for logistics operators. 50% of counties in Oregon see a lower highway truck share than Marion's 11.3%. Marion's highway truck count is higher than 97% of counties in Oregon, at roughly 1,922 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
5,301
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
5.1%
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.
16.6%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
43.8 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$82,377
The non-highway road network in Marion County, Oregon supports a substantial volume of traffic. The average non-highway road carries 5,301 vehicles per day, 69% less than the average highway in the same area, which carries 17,072 vehicles per day. That average covers 875 non-highway road miles divided in 28,209 segments (average segment length 164 ft), together carrying 3,525,027 vehicle-miles traveled per day (≈1.3 billion per year). Trucks constitute 5.1% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 55% lower than the highway network. The non-highway congestion ratio of 16.6% is 3% higher than the state level, suggesting slower local mobility than the state average. 37% of counties in Oregon see shorter overall travel times than Marion. Marion's average driver income exceeds 77% of counties in Oregon. 11% of counties in Oregon have a younger driver population than Marion.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and PM peak 3:00 PM–5:00 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 +16% versus the annual average.
Lowest month:
January is the quietest month, with volumes -16% versus the annual average.
Analytical insight
In Marion County, Oregon, the peak hour concentrates about 8% of the day's traffic, and seasonal swing is pronounced at +16% in high season.
Traffic Flow Profile Comparison
Metric
Marion
Oregon
Average
Difference
Traffic
5,716
5,908
-3.3%
Truck % (Total Traffic)
8.4%
9.2%
-8.5%
Truck % (Highway)
11.3%
12.0%
-6.1%
Avg. Travel Time
34.2 min
34.3 min
-0.2%
Frequently Asked Questions
The average daily traffic volume is calculated at 5,716 vehicles per day, providing a baseline for daily operations and site assessment.
Marion carries more highway trucks by raw volume than 97% of counties in Oregon, at roughly 1,922 per day.
The average travel time for drivers is 34.2 minutes, offering a standard metric for commute and delivery route planning.
Approximately 34% of highway traffic and 8% of non-highway traffic consists of vehicles whose trip originates outside Marion 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.
Drivers on Marion roads have a median age of 44 years, and the median household income of the neighborhoods trips originate from averages $82,611 - useful context for retail siting and customer profiling.
Traffic volumes are typically 16% higher during June–August. Volumes drop to their lowest levels in January, averaging 4,797 vehicles per day - a 16% decrease from the annual average.
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)