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Traffic heat map of Butte County, Idaho: 147 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Front Street and US 20

Butte County, Idaho Traffic Counts

Its drivers come from the lowest-income neighborhoods of any county in Idaho, averaging $45,098. This page breaks down traffic in Butte County, Idaho across 147 miles of monitored roads split into 398 segments, using multi-sourced mobile and sensor data. It goes beyond raw counts to truck flow, congestion and who is driving, so site selection and route planning rest on evidence.
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 Butte County, Idaho

Traffic

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

vehicles per day2,090
Trucks

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

11.2%
Average travel time

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

40.9 min
Drivers’ average age

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

55.3 yrs
Drivers’ average income

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

$45,098

The average monitored road in Butte County, Idaho carries 2,090 vehicles per day. Across its 147 miles of monitored roads, that adds up to 255,698 vehicle-miles traveled per day (≈93.3 million per year). Trucks are 11.2% of traffic, more than the 9.7% across Idaho.

Longer trips than 91% of counties in Idaho

Butte sees 64% lower average daily traffic volume than the state average (2,090 vehicles per day against 5,734), suggesting less demand on each road - quiet roads that suit freight movement more than drive-by retail. Across the whole network, that travel is about 0.6% of Idaho's statewide total. By volume, Butte's 2,090 vehicles per day trails 72% of counties in Idaho.

The average trip takes 40.9 minutes, 21% higher than the state level. On travel time, Butte runs longer than 91% of counties in Idaho.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and PM peak 4:00 PM–6:00 PM, with volumes reaching approximately 104% higher than the daily average.
Weekend traffic:
Weekends are somewhat quieter: volumes run about 6% below weekday levels, the usual weekend dip.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +44% versus the annual average.
Lowest month:
January is the quietest month, with volumes -47% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Butte County, Idaho, the peak hour concentrates about 8% of the day's traffic, and there is a strong seasonal swing of +44% in high season.

Butte County vs. Idaho Traffic Comparison

The average daily traffic per road sets Butte County apart: 64% below the Idaho average. Its average travel time, by contrast, is 21% above.

MetricButte CountyIdaho averageDifference
Traffic2,0905,734-63.6%
Truck % (Total Traffic)11.2%9.7%+16.0%
Avg. Travel Time40.9 min33.8 min+21.0%

How Butte County compares

Butte County against nearby counties

Set against the average of the 4 areas nearest to it, Butte County moves 36.2% of the total daily travel and carries 29.7% less traffic on a typical road; it has the fourth busiest roads of the five. Smaller and quieter on both counts: a shorter network than the areas around it, carrying lighter traffic across it.

Butte County and the 4 nearest county-level areas by centroid distance, with the Idaho average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Butte County2,09011.2%255,69840.9 minN/A
Jefferson County, Idaho2,8528.4%692,37029.4 min8.2%
Clark County, Idaho40517.0%153,82572.5 minN/A
Blaine County, Idaho4,7147.2%572,28529.9 minN/A
Bingham County, Idaho3,92211.4%1,405,42932.2 min12.2%
Idaho average5,7349.7%N/A33.8 min16.0%

Butte County ranked within Idaho

No county-level area in Idaho records a lower average driver income than Butte County.

Butte County ranked among 44 county-level areas in Idaho (1 = highest).
MeasureButte CountyIdaho rank
Traffic volume (AADT)2,090#32 of 44
Average travel time40.9 min#5 of 44
Average driver income$45,098#44 of 44
Average driver age55.3 yrs#7 of 44

Butte County ranks #5 of 44 on average travel time but #44 of 44 on average driver income - the two describe the same roads and are worth reading together rather than either on its own.

Busiest roads in Butte County, Idaho

The three busiest roads in Butte County average 3,487 vehicles a day, 67% more than the county average of 2,090 across all its monitored roads.

Front Street is the busiest road, at 4,470 vehicles a day, 284 of them trucks (6.4%). US 20 carries the most trucks, 316 a day (9.8% of its traffic), although it ranks #2 for all traffic.

Trips using US 26 are long: a median of 62.6 minutes against 40.9 county-wide, the mark of a through route.

Freight stands out on US 26: trucks are 19.1% of the traffic there, against 11.2% county-wide.

Drivers on US 26 come from neighborhoods with an average household income of $57,317, 27% above the county average of $45,098.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Front StreetPrimary road · 4,470vehicles284trucks · 6.4%
Road class
Primary road
Median trip time
30.1 min
Drivers’ median age
55.5 yrs
Drivers’ average income
$41,150

Trips on Front Street are short, a median 30.1 minutes against 40.9 county-wide, so it mostly serves local errands and commutes.

2US 20Primary road · 3,211vehicles316trucks · 9.8%
Road class
Primary road
Median trip time
49.4 min
Drivers’ median age
53.8 yrs
Drivers’ average income
$41,210

US 20 carries 54% more than the county average at its busiest, 316 of them trucks (9.8%, below the county-wide 11.2%).

3Grand AvenuePrimary road · 2,780vehicles198trucks · 7.1%
Road class
Primary road
Median trip time
49.4 min
Drivers’ median age
53.5 yrs
Drivers’ average income
$40,538

Grand Avenue carries 33% more than the county average on its busiest stretch, where the median trip lasts 49.4 minutes.

4US 93Primary road · 2,148vehicles183trucks · 8.5%
Road class
Primary road
Median trip time
31.7 min
Drivers’ median age
56.5 yrs
Drivers’ average income
$49,637

Even at its busiest, US 93 carries about the same as the county average; trucks are 8.5% of it, below the county-wide 11.2%.

5US 26Primary road · 1,216vehicles232trucks · 19.1%
Road class
Primary road
Median trip time
62.6 min
Drivers’ median age
47.3 yrs
Drivers’ average income
$57,317

US 26 is a quieter road: its busiest stretch carries 42% less than the county average; trucks are 19.1% of it, above the county-wide 11.2%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1US 20Primary road · #2 by traffic3,211vehicles316trucks · 9.8%
2Front StreetPrimary road · #1 by traffic4,470vehicles284trucks · 6.4%
3US 26Primary road · #5 by traffic1,216vehicles232trucks · 19.1%
4Grand AvenuePrimary road · #3 by traffic2,780vehicles198trucks · 7.1%
5US 93Primary road · #4 by traffic2,148vehicles183trucks · 8.5%
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

ButteDepartment 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 Butte County

The same traffic breakdown for the areas closest to Butte County, Idaho.

Need segment-level traffic data?

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