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Traffic heat map of Umatilla County, Oregon: 664 miles of roads shaded from blue (light) to red (heavy traffic), busiest on 1st Street and McNary Highway

Umatilla County, Oregon Traffic Counts

Traffic analytics for Umatilla County, Oregon, calculated from real-world mobile and sensor networks on 5,249 road segments (664 road miles, about 668 ft each). About 1 in 6 vehicles here is a truck, against 1 in 11 across Oregon. Use the figures below to move from assumptions to certainty on retail locations, logistics and road planning.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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Total Traffic Volume & Performance in Umatilla County, Oregon

Traffic

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

vehicles per day3,286
Trucks

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

15.6%
Average travel time

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

31.7 min
Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.

10.4%
Drivers’ average age

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

44.4 yrs
Drivers’ average income

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

$75,495

Our data shows 3,286 vehicles per day on the average road in Umatilla County, Oregon, and 2,380,859 vehicle-miles traveled per day (≈869 million per year) across its 664 miles of monitored roads. Freight weighs heavily here: trucks are 15.6% of traffic, against 9.2% across Oregon.

Shorter trips than 80% of counties in Oregon

Umatilla sees 44% lower average daily traffic volume than the state average (3,286 vehicles per day against 5,908), suggesting less demand on each road - lighter roads for freight, but less passing trade for roadside retail. Across the whole network, that travel is about 2.7% of Oregon's statewide total. 54% of counties in Oregon see more traffic than Umatilla's 3,286 vehicles per day.

The average trip takes 31.7 minutes, 7% lower than the state level. Its average travel time of 31.7 minutes is shorter than 80% of counties in Oregon.

The congestion ratio of 10.4% is 37% lower, pointing to smoother traffic flow than the state level - travel times are easy to plan around for scheduled deliveries.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Umatilla County, Oregon

Trafficvehicles per day7,629
Trucks19.7%
Average travel time37.6 min
Congestion ratio16.7%
Drivers’ average age46.3 yrs
Drivers’ average income$72,918

A little more than half of the driving in Umatilla County, Oregon happens on highways: 68% of all vehicle-miles. The average highway carries 7,629 vehicles per day, 173% more than the average non-highway road in the same area, which carries 2,796 vehicles per day.

Highways make up 34% of the monitored road miles (224 miles, 532 segments), so they carry more than their share: 1,612,734 vehicle-miles traveled per day (≈589 million per year).

By highway travel volume, Umatilla outranks 72% of counties in Oregon.

Higher highway truck share than 84% of counties in Oregon

Highway truck concentration here runs 64% higher than the state average, at 19.7%. Highways here lean toward freight, so highway access is a real asset for logistics operators.

By truck concentration, highways here outrank 84% of counties in Oregon. By raw truck volume, Umatilla carries more highway trucks than 66% of counties in Oregon.

non-highway traffic icon

Non-highway Traffic in Umatilla County, Oregon

Trafficvehicles per day2,796
Trucks7.0%
Average travel time31.1 min
Congestion ratio9.7%
Drivers’ average age43.7 yrs
Drivers’ average income$77,486

A significant share of driving in Umatilla County, Oregon, 32% of vehicle-miles, happens on local roads. On the average non-highway road, that comes to 2,796 vehicles per day.

Local roads make up 66% of the monitored road miles (439 miles in 4,717 segments) but carry less than their share of travel: 768,125 vehicle-miles traveled per day (≈280 million per year). The truck share on non-highway roads is 7.0%.

Younger drivers than 83% of counties in Oregon

The concentration of trucks on non-highway roads is 65% lower than on highways.

At 40% lower than the state level, the non-highway congestion ratio of 9.7% signals easier movement on local roads.

Umatilla's average driver income is higher than 66% of counties in Oregon. Umatilla's median driver age is lower than 83% of counties in Oregon.

Time-of-Day & Seasonal Patterns

peak hours icon
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 77% higher than the daily average.
Weekend traffic:
Weekends are somewhat quieter: volumes run about 12% below weekday levels, the usual weekend dip.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +13% versus the annual average.
Lowest month:
January is the quietest month, with volumes -20% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Umatilla County, Oregon, the peak hour concentrates about 7% of the day's traffic, and there is a strong seasonal swing of +13% in high season.

Umatilla County vs. Oregon Traffic Comparison

Of the four measures, truck share differs most: Umatilla County runs 69% above the Oregon average. Its highway truck share is also 64% above.

MetricUmatilla CountyOregon averageDifference
Traffic3,2865,908-44.4%
Truck % (Total Traffic)15.6%9.2%+69.1%
Truck % (Highway)19.7%12.0%+64.1%
Avg. Travel Time31.7 min34.3 min-7.5%

How Umatilla County compares

Umatilla County moves more traffic than any nearby county

Set against the average of the 4 areas nearest to it, Umatilla County moves 3.2 times the total daily travel and sees 23.1% shorter typical trips; it has the second busiest roads of the five. Busier roads and shorter trips together - destinations here sit closer to one another than in the areas around it.

Umatilla County and the 4 nearest county-level areas by centroid distance, with the Oregon average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Umatilla County3,28615.6%2,380,85931.7 min10.4%
Union County, Oregon2,37520.0%916,12141.0 min7.9%
Morrow County, Oregon1,99716.2%735,70934.8 min5.8%
Walla Walla County, Washington4,4058.3%1,241,22544.8 min13.5%
Columbia County, Washington2,03511.1%78,69744.4 min7.2%
Oregon average5,9089.2%N/A34.3 min16.6%

Umatilla County ranked within Oregon

Truck share on highways places Umatilla County #6 of 33 in Oregon - the top quarter of the state.

Umatilla County ranked among 36 county-level areas in Oregon (1 = highest); measures without data in every county rank a smaller field, down to 33.
MeasureUmatilla CountyOregon rank
Traffic volume (AADT)3,286#20 of 36
Highway vehicle-miles per day1,612,734#10 of 33
Truck share on highways19.7%#6 of 33
Highway trucks per day1,501#12 of 33
Average travel time31.7 min#29 of 36
Average driver income$75,495#13 of 36
Average driver age44.4 yrs#30 of 36

The two ends of this table sit far apart: #6 of 33 on truck share on highways, against #30 of 36 on average driver age.

Busiest roads in Umatilla County, Oregon

Traffic concentrates on a few corridors: the three busiest roads average 16,412 vehicles a day, against 3,286 on the average road in Umatilla County.

1st Street is the busiest road, at 17,200 vehicles a day, 970 of them trucks (5.6%). McNary Highway carries the most trucks, 3,392 a day (20.9% of its traffic), although it ranks #2 for all traffic.

Trips using McNary Highway are long: a median of 49.1 minutes against 31.7 county-wide, the mark of a through route.

Few trucks use Southwest Pendleton-John Day Highway: 5.0% of its traffic, under half the county's 15.6%.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
11st StreetPrimary road · 17,200vehicles970trucks · 5.6%
Road class
Primary road
Congestion ratio
25.6%
Median trip time
31.5 min
Drivers’ median age
43.1 yrs
Drivers’ average income
$77,452

At 5.2 times the county average, 1st Street draws drivers from neighborhoods averaging $77,452 in household income.

2McNary HighwayMotorway · 16,266vehicles3,392trucks · 20.9%
Road class
Motorway
Congestion ratio
26.1%
Median trip time
49.1 min
Drivers’ median age
42.9 yrs
Drivers’ average income
$74,012

Delays build on McNary Highway: its congestion ratio of 26% over free-flow time is well above the county's 10%.

3Southwest Pendleton-John Day HighwayPrimary road · 15,770vehicles787trucks · 5.0%
Road class
Primary road
Congestion ratio
23.6%
Median trip time
28.4 min
Drivers’ median age
46.7 yrs
Drivers’ average income
$84,480

On its busiest stretch, Southwest Pendleton-John Day Highway carries 4.8 times the county average; trucks are 5.0% of it, below the county-wide 15.6%.

4Oregon-Washington HighwayTrunk road · 14,390vehicles1,051trucks · 7.3%
Road class
Trunk road
Congestion ratio
31.8%
Median trip time
28.7 min
Drivers’ median age
48.5 yrs
Drivers’ average income
$65,327

Travel on Oregon-Washington Highway's busiest stretch runs 32% over free-flow time, against 10% across the county, so expect slower peak hours.

5Old Oregon Trail HighwayMotorway · 14,304vehicles3,144trucks · 22.0%
Road class
Motorway
Congestion ratio
15.1%
Median trip time
43.5 min
Drivers’ median age
46.2 yrs
Drivers’ average income
$74,968

Drivers on Old Oregon Trail Highway are on long journeys, a median 43.5 minutes against 31.7 county-wide: a through route more than a local street.

Ranked by trucks per day

Cars and light vehiclesTrucks
1McNary HighwayMotorway · #2 by traffic16,266vehicles3,392trucks · 20.9%
2Old Oregon Trail HighwayMotorway · #5 by traffic14,304vehicles3,144trucks · 22.0%
3Oregon-Washington HighwayTrunk road · #4 by traffic14,390vehicles1,051trucks · 7.3%
4Umatilla-Stanfield HighwayPrimary road · 12,671vehicles1,043trucks · 8.2%
Road class
Primary road
Congestion ratio
15.0%
Median trip time
28.0 min
Drivers’ median age
42.5 yrs
Drivers’ average income
$77,060

Umatilla-Stanfield Highway peaks at 12,671 vehicles a day, 3.9 times the county average; trucks are 8.2% of it, below the county-wide 15.6%.

51st StreetPrimary road · #1 by traffic17,200vehicles970trucks · 5.6%
How to read these road counts
  • The first number is AADT, annual average daily traffic: the vehicles passing a point on an average day, both directions combined and trucks included. On a divided highway both carriageways are added together.
  • Traffic changes along a road, with more near interchanges and towns and less in open country. Every figure for a road describes its busiest stretch in the county, so the two rankings show the same numbers for the same road.
  • The second number is the trucks on that stretch, a part of its AADT. The bar splits the AADT into cars and light vehicles (blue) and trucks (amber).
  • See segment-level AADT for any road on TrafficZoom.

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

UmatillaDepartment of Transportation

Demographic Baseline for O-D Modeling

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

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Counties near Umatilla County

The same traffic breakdown for the areas closest to Umatilla County, Oregon.

Need segment-level traffic data?

Identify traffic patterns street by street and analyze the exact corridors that matter to your project.