This page delivers traffic analytics for Multnomah County, Oregon. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Multnomah County, Oregon among 1,062 road miles divided in 43,921 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 128 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.
10,243
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
7.2%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
35.7 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.
26.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
43.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$90,058
Our data indicates an estimated average traffic volume of 10,243 vehicles per day in Multnomah County, Oregon that results in 13,759,969 vehicle-miles traveled per day (≈5.0 billion 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 35.7 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Oregon state averages: Multnomah sees 73% higher average daily traffic volume than the state average (10,243 vehicles per day against 5,908), suggesting more demand on each road - a critical factor for logistics and site planning. Across the whole network that adds up to 13,759,969 vehicle-miles traveled per day (≈5.0 billion per year), roughly 16% of Oregon's statewide total. The average trip takes 35.7 minutes, 4% higher than the state level. The congestion ratio of 26.9% is 62% higher, pointing to more pronounced congestion than the state level - crucial for traffic control improvement and logistics planning. Multnomah stands out as having the highest traffic volume in Oregon - 10,243 vehicles per day. 63% of counties in Oregon have a shorter average travel time than Multnomah's 35.7 minutes.
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.
32,490
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
9.0%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
39.9 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.
50.7%
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.
$91,188
A significant volume of traffic in Multnomah County, Oregon utilizes the highway network. The average highway carries 32,490 vehicles per day, 243% more than the average non-highway road in the same area, which carries 9,480 vehicles per day. That average covers 188 highway road miles divided in 1,456 segments (average segment length 683 ft), together carrying 6,799,403 vehicle-miles traveled per day (≈2.5 billion per year). No county in Oregon moves more traffic on its highways. Trucks constitute 9.0% of highway traffic.
Analytical insight
Highway truck concentration here runs 25% lower than the state average, at 9.0% - positioning Multnomah as a primarily local traffic hub. For logistics operators, this validates the importance of local access. By truck concentration, highways here outrank 38% of counties in Oregon. At roughly 3,248 trucks per day, Multnomah carries the highest volume of highway trucks in Oregon.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
9,480
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
5.5%
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.
26.1%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
43.2 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$89,279
The non-highway road network in Multnomah County, Oregon supports a substantial volume of traffic. The average non-highway road carries 9,480 vehicles per day, 71% less than the average highway in the same area, which carries 32,490 vehicles per day. That average covers 874 non-highway road miles divided in 42,465 segments (average segment length 109 ft), together carrying 6,960,566 vehicle-miles traveled per day (≈2.5 billion per year). Trucks constitute 5.5% of non-highway traffic.
Analytical insight
The concentration of trucks on non-highway roads is 39% lower than on highways. The non-highway congestion ratio of 26.1% is 62% higher than the state level, suggesting slower local mobility than the state average. 63% of counties in Oregon see shorter overall travel times than Multnomah. 89% of counties in Oregon see lower average driver income among trip origins than Multnomah. Multnomah's median driver age is higher than 9% 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 3:00 PM–5:00 PM, with volumes reaching approximately 68% higher than the daily average.
Weekend traffic:
Weekend volumes run about 4% below weekday levels.
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +9% versus the annual average.
Lowest month:
February is the quietest month, with volumes -13% versus the annual average.
Analytical insight
In Multnomah County, Oregon, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +9% in high season.
Traffic Flow Profile Comparison
Metric
Multnomah
Oregon
Average
Difference
Traffic
10,243
5,908
+73.4%
Truck % (Total Traffic)
7.2%
9.2%
-21.4%
Truck % (Highway)
9.0%
12.0%
-24.9%
Avg. Travel Time
35.7 min
34.3 min
+4.1%
Frequently Asked Questions
The average daily traffic volume is calculated at 10,243 vehicles per day, providing a baseline for daily operations and site assessment.
Yes - Multnomah carries the highest raw volume of highway trucks of any county in Oregon, at roughly 3,248 trucks per day.
The average travel time for drivers is 35.7 minutes, offering a standard metric for commute and delivery route planning.
Approximately 43% of highway traffic and 6% of non-highway traffic consists of vehicles whose trip originates outside Multnomah 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.
Traffic volumes are typically 9% higher during June–August. Volumes drop to their lowest levels in February, averaging 8,948 vehicles per day - a 13% decrease from the annual average.
Drivers on Multnomah roads have a median age of 43 years, and the median household income of the neighborhoods trips originate from averages $90,058 - useful context for retail siting and customer profiling.
Weekday peaks occur between 7:00 AM and 12:00 PM in the morning and between 3:00 PM and 5:00 PM in the evening - about 68% above the daily 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)
