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Traffic heat map of Humboldt County, Iowa: 205 miles of roads shaded from blue (light) to red (heavy traffic), busiest on 13th Street and Lincoln Avenue

Humboldt County, Iowa Traffic Counts

How busy are the roads of Humboldt County, Iowa? We measure 205 road miles, divided into 1,676 segments, with multi-sourced, cross-verified mobile and sensor data. Its busiest road, 13th Street, carries 6,466 vehicles a day, 5.0 times the average road. The breakdown below covers volume, trucks, congestion and driver profiles for retailers, logistics planners and engineers.
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 Humboldt County, Iowa

Traffic

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

vehicles per day1,295
Trucks

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

9.0%
Average travel time

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

32.6 min
Congestion ratio

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

6.7%
Drivers’ average age

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

51.4 yrs
Drivers’ average income

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

$68,486

The average monitored road in Humboldt County, Iowa carries 1,295 vehicles per day. Across its 205 miles of monitored roads, that adds up to 207,443 vehicle-miles traveled per day (≈75.7 million per year). Trucks are a smaller part of the mix than across Iowa: 9.0% against 11.0%.

Quieter roads than 80% of counties in Iowa

Humboldt sees 57% lower average daily traffic volume than the state average (1,295 vehicles per day against 3,042), suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. In total volume terms, its road network carries about 0.2% of Iowa's statewide total of vehicle-miles. 80% of counties in Iowa see more traffic than Humboldt's 1,295 vehicles per day.

At 32.6 minutes, the average travel time matches the state level closely. On travel time, Humboldt runs shorter than 63% of counties in Iowa.

At 41% lower than the state level, the 6.7% congestion ratio signals smoother traffic flow - travel times are easy to plan around for scheduled deliveries.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–8:00 AM and a long afternoon plateau from 3:00 PM to 7:00 PM, with volumes reaching approximately 74% higher than the daily average.
Weekend traffic:
Weekends are much quieter: volumes run about 38% below weekday levels, the signature of a commute-driven road network.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
August–October is the high season, with volumes +9% versus the annual average.
Lowest month:
January is the quietest month, with volumes -15% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Humboldt County, Iowa, the peak hour concentrates about 7% of the day's traffic, and there is a noticeable seasonal swing of +9% in high season.

Humboldt County vs. Iowa Traffic Comparison

Of the four measures, average daily traffic per road differs most: Humboldt County runs 57% below the Iowa average. Its truck share is also 19% below.

MetricHumboldt CountyIowa averageDifference
Traffic1,2953,042-57.4%
Truck % (Total Traffic)9.0%11.0%-18.6%
Avg. Travel Time32.6 min33.0 min-1.1%

How Humboldt County compares

Humboldt County has the lowest truck share of its nearby counties

Set against the average of the 4 areas nearest to it, Humboldt County moves 44.1% of the total daily travel; it has the third busiest roads of the five. The same kind of road, just less of it: traffic per road matches the areas around it while the network itself is smaller.

Humboldt 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
Humboldt County1,2959.0%207,44332.6 min6.7%
Kossuth County, Iowa97010.6%377,96139.7 min5.3%
Pocahontas County, Iowa75910.5%163,91244.3 min5.3%
Wright County, Iowa1,36315.0%395,88334.9 min5.7%
Webster County, Iowa2,16710.3%942,09037.5 min10.5%
Iowa average3,04211.0%N/A33.0 min11.4%

Humboldt County ranked within Iowa

Humboldt County sits in the bottom quarter of the Iowa field on average daily traffic volume, at #79 of 99.

Humboldt County ranked among 99 county-level areas in Iowa (1 = highest).
MeasureHumboldt CountyIowa rank
Traffic volume (AADT)1,295#79 of 99
Average travel time32.6 min#62 of 99
Average driver income$68,486#77 of 99
Average driver age51.4 yrs#29 of 99

Busiest roads in Humboldt County, Iowa

Traffic concentrates on a few corridors: the three busiest roads average 4,845 vehicles a day, against 1,295 on the average road in Humboldt County.

13th Street leads with 6,466 vehicles a day, 477 of them trucks (7.4%). It also carries the most trucks.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
113th StreetPrimary road · 6,466vehicles477trucks · 7.4%
Road class
Primary road
Congestion ratio
13.0%
Median trip time
31.5 min
Drivers’ median age
50.1 yrs
Drivers’ average income
$68,392

13th Street carries 5.0 times the county average on its busiest stretch, where the median trip lasts 31.5 minutes.

2Lincoln AvenuePrimary road · 5,085vehicles433trucks · 8.5%
Road class
Primary road
Congestion ratio
11.9%
Median trip time
35.9 min
Drivers’ median age
49.4 yrs
Drivers’ average income
$68,999

At 3.9 times the county average, Lincoln Avenue draws drivers from neighborhoods averaging $68,999 in household income.

3Sumner AvenueSecondary road · 2,985vehicles149trucks · 5.0%
Road class
Secondary road
Congestion ratio
7.2%
Median trip time
24.6 min
Drivers’ median age
53.5 yrs
Drivers’ average income
$68,486

The busiest stretch of Sumner Avenue carries 2.3 times the county average; trucks are 5.0% of it, below the county-wide 9.0%.

4Iowa AvenuePrimary road · 2,642vehicles270trucks · 10.2%
Road class
Primary road
Congestion ratio
6.3%
Median trip time
38.5 min
Drivers’ median age
52.9 yrs
Drivers’ average income
$67,862

On its busiest stretch, Iowa Avenue carries 2.0 times the county average; trucks are 10.2% of it, above the county-wide 9.0%.

5220th StreetPrimary road · 2,519vehicles262trucks · 10.4%
Road class
Primary road
Congestion ratio
6.7%
Median trip time
36.1 min
Drivers’ median age
53.6 yrs
Drivers’ average income
$66,950

At 95% more than the county average, 220th Street draws drivers from neighborhoods averaging $66,950 in household income.

Ranked by trucks per day

Cars and light vehiclesTrucks
113th StreetPrimary road · #1 by traffic6,466vehicles477trucks · 7.4%
2Lincoln AvenuePrimary road · #2 by traffic5,085vehicles433trucks · 8.5%
3Iowa AvenuePrimary road · #4 by traffic2,642vehicles270trucks · 10.2%
4220th StreetPrimary road · #5 by traffic2,519vehicles262trucks · 10.4%
5Sumner AvenueSecondary road · #3 by traffic2,985vehicles149trucks · 5.0%
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

HumboldtDepartment 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 Humboldt County

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

Need segment-level traffic data?

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