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Traffic heat map of Butler County, Iowa: 278 miles of roads shaded from blue (light) to red (heavy traffic), busiest on 230th Street and 6th Street

Butler County, Iowa Traffic Counts

Our Butler County, Iowa traffic data covers 2,799 road segments over 278 road miles, with an average segment of just 525 ft. Its busiest road, 230th Street, carries 6,948 vehicles a day, 6.8 times the average road. Whether you are evaluating a new retail location, planning routes or assessing infrastructure, these numbers replace guesswork.
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 Butler County, Iowa

Traffic

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

vehicles per day1,026
Trucks

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

8.8%
Average travel time

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

32.8 min
Congestion ratio

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

5.1%
Drivers’ average age

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

49.2 yrs
Drivers’ average income

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

$70,769

A typical monitored road in Butler County, Iowa sees 1,026 vehicles per day, while its 278 miles of monitored roads together handle 257,449 vehicle-miles traveled per day (≈94.0 million per year). Trucks are a smaller part of the mix than across Iowa: 8.8% against 11.0%.

Quieter roads than 93% of counties in Iowa

Butler sees 66% lower average daily traffic volume than the state average (1,026 vehicles per day against 3,042), 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 0.3% of Iowa's statewide total. By volume, Butler's 1,026 vehicles per day trails 93% of counties in Iowa.

At 32.8 minutes, the average travel time matches the state level closely. Its average travel time of 32.8 minutes is shorter than 60% of counties in Iowa.

Congestion runs 56% lower than the state level, at a ratio of 5.1%, which means smoother traffic flow - free-flowing roads make scheduled deliveries highly predictable.

Time-of-Day & Seasonal Patterns

Data Finding: Hourly & Seasonal Patterns

In Butler County, Iowa, the peak hour concentrates about 7% of the day's traffic.

Butler County vs. Iowa Traffic Comparison

Of the four measures, average daily traffic per road differs most: Butler County runs 66% below the Iowa average. Its truck share is also 20% below.

MetricButler CountyIowa averageDifference
Traffic1,0263,042-66.3%
Truck % (Total Traffic)8.8%11.0%-19.8%
Avg. Travel Time32.8 min33.0 min-0.5%

How Butler County compares

Butler County moves the least traffic of its nearby counties

Against the 4 nearest areas, Butler County carries 37.2% less traffic on a typical road and moves 42.7% of the total daily travel; it has the quietest roads of the five. Quieter and more local than the areas around it on both counts: less traffic, and less of what there is arriving by truck.

Butler County and the 4 nearest county-level areas by centroid distance, with the Iowa average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Butler County1,0268.8%257,44932.8 min5.1%
Floyd County, Iowa1,81011.6%533,60837.2 min6.7%
Bremer County, Iowa1,9089.5%703,34330.9 min7.8%
Franklin County, Iowa1,36015.8%587,94535.0 min6.1%
Grundy County, Iowa1,45712.6%588,70432.8 min5.6%
Iowa average3,04211.0%N/A33.0 min11.4%

Butler County ranked within Iowa

Average daily traffic volume places Butler County #92 of 99 in Iowa - the bottom quarter of the state.

Butler County ranked among 99 county-level areas in Iowa (1 = highest).
MeasureButler CountyIowa rank
Traffic volume (AADT)1,026#92 of 99
Average travel time32.8 min#59 of 99
Average driver income$70,769#61 of 99
Average driver age49.2 yrs#57 of 99

Busiest roads in Butler County, Iowa

The three busiest roads in Butler County average 5,054 vehicles a day, 4.9 times the county average of 1,026 across all its monitored roads.

230th Street leads with 6,948 vehicles a day, 528 of them trucks (7.6%). No other road comes close: 6th Street, in second place, carries 4,176. It also carries the most trucks.

Trips using 210th Street are long: a median of 46.0 minutes against 32.8 county-wide, the mark of a through route.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1230th StreetPrimary road · 6,948vehicles528trucks · 7.6%
Road class
Primary road
Congestion ratio
16.5%
Median trip time
38.6 min
Drivers’ median age
47.3 yrs
Drivers’ average income
$78,414

230th Street is one of the more congested roads here: trips take 16% longer than at free-flow speed, against 5% county-wide.

26th StreetPrimary road · 4,176vehicles350trucks · 8.4%
Road class
Primary road
Congestion ratio
9.3%
Median trip time
26.9 min
Drivers’ median age
50.3 yrs
Drivers’ average income
$74,835

6th Street peaks at 4,176 vehicles a day, 4.1 times the county average; trucks are 8.4% of it, below the county-wide 8.8%.

3Cherry StreetSecondary road · 4,039vehicles229trucks · 5.7%
Road class
Secondary road
Congestion ratio
9.8%
Median trip time
38.9 min
Drivers’ median age
45.0 yrs
Drivers’ average income
$78,998

Cherry Street carries 3.9 times the county average at its busiest, 229 of them trucks (5.7%, below the county-wide 8.8%).

4Buswell StreetPrimary road · 3,385vehicles274trucks · 8.1%
Road class
Primary road
Congestion ratio
8.0%
Median trip time
25.8 min
Drivers’ median age
50.3 yrs
Drivers’ average income
$69,676

Buswell Street carries 3.3 times the county average on its busiest stretch, where the median trip lasts 25.8 minutes.

5IA 3Primary road · 3,156vehicles292trucks · 9.2%
Road class
Primary road
Congestion ratio
8.8%
Median trip time
43.3 min
Drivers’ median age
46.4 yrs
Drivers’ average income
$74,827

Drivers on IA 3 are on long journeys, a median 43.3 minutes against 32.8 county-wide: a through route more than a local street.

Ranked by trucks per day

Cars and light vehiclesTrucks
1230th StreetPrimary road · #1 by traffic6,948vehicles528trucks · 7.6%
26th StreetPrimary road · #2 by traffic4,176vehicles350trucks · 8.4%
3Parrott StreetPrimary road · 2,601vehicles304trucks · 11.7%
Road class
Primary road
Congestion ratio
6.2%
Median trip time
25.1 min
Drivers’ median age
51.2 yrs
Drivers’ average income
$66,848

At 2.5 times the county average, Parrott Street draws drivers from neighborhoods averaging $66,848 in household income.

4210th StreetPrimary road · 2,678vehicles293trucks · 10.9%
Road class
Primary road
Congestion ratio
6.1%
Median trip time
46.0 min
Drivers’ median age
48.5 yrs
Drivers’ average income
$69,943

The busiest stretch of 210th Street carries 2.6 times the county average; trucks are 10.9% of it, above the county-wide 8.8%.

5IA 3Primary road · #5 by traffic3,156vehicles292trucks · 9.2%
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

ButlerDepartment 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 Butler County

The same traffic breakdown for the areas closest to Butler County, Iowa.

Need segment-level traffic data?

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