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Hamilton County, Iowa Traffic Counts

This page delivers traffic analytics for Hamilton County, Iowa. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Hamilton County, Iowa among 394 road miles divided in 2,955 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 704 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.
Data current as of:
Q3 2026
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Total Traffic Volume & Performance

Traffic

1,470

Trucks

17.2%

Average travel time

33.6 min

Congestion ratio

6.1%

Drivers’ average age

47.3 yrs

Drivers’ average income

$78,452

Our data indicates an estimated average traffic volume of 1,470 vehicles per day in Hamilton County, Iowa that results in 1,145,474 vehicle-miles traveled per day (≈418 million per year). The traffic stream is comprised of an average of 1 truck for every 6 vehicles. Typical time spent behind the wheel per trip is 33.6 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the Iowa state averages: Hamilton's average daily traffic volume is 52% lower than the state average - 1,470 vehicles per day against 3,042 - suggesting less traffic load per road, a critical factor for logistics and site planning. Network-wide, Hamilton accounts for about 1.4% of Iowa's statewide total, at 1,145,474 vehicle-miles traveled per day (≈418 million per year). The average trip takes 33.6 minutes, 2% higher than the state level. The congestion ratio of 6.1% is 46% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. By volume, Hamilton's 1,470 vehicles per day outpaces 40% of counties in Iowa. On travel time, Hamilton runs longer than 52% of counties in Iowa.

Highway vs. Non-Highway Traffic Analysis

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Highway Traffic

Traffic

6,768

Trucks

20.2%

Average travel time

63.3 min

Congestion ratio

15.0%

Drivers’ average age

44.5 yrs

Drivers’ average income

$80,115

A significant volume of traffic in Hamilton County, Iowa utilizes the highway network. The average highway carries 6,768 vehicles per day, 419% more than the average non-highway road in the same area, which carries 1,303 vehicles per day. That average covers 108 highway road miles divided in 90 segments (average segment length 6,310 ft), together carrying 844,735 vehicle-miles traveled per day (≈308 million per year). That is more highway travel volume than 81% of counties in Iowa. Trucks constitute 20.2% of highway traffic.

Analytical insight

The concentration of trucks on highways (20.2%) is 26% higher than the state average for similar road classifications. This indicates Hamilton serves as a significant freight corridor. For logistics operators, this validates the importance of highway access. 77% of counties in Iowa see a lower highway truck share than Hamilton's 20.2%. 74% of counties in Iowa see fewer highway trucks per day than Hamilton's roughly 1,369.
non-highway traffic icon

Non-highway traffic

Traffic

1,303

Trucks

8.7%

Average travel time

32.7 min

Congestion ratio

5.9%

Drivers’ average age

51.2 yrs

Drivers’ average income

$76,580

The non-highway road network in Hamilton County, Iowa supports a substantial volume of traffic. The average non-highway road carries 1,303 vehicles per day, 81% less than the average highway in the same area, which carries 6,768 vehicles per day. That average covers 286 non-highway road miles divided in 2,865 segments (average segment length 528 ft), together carrying 300,740 vehicle-miles traveled per day (≈110 million per year). Trucks constitute 8.7% of non-highway traffic.

Analytical insight

Non-highway roads carry a truck concentration that's 57% lower than the highway network. At 47% lower than the state level, the non-highway congestion ratio of 5.9% signals easier movement on local roads. Overall, average travel time here is longer than 52% of counties in Iowa. Trip origins here have higher average income than 69% of counties in Iowa. 21% of counties in Iowa have a younger driver population than Hamilton.

Time-of-Day & Seasonal Patterns

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Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–12:00 PM and PM peak 3:00 PM–7:00 PM, with volumes reaching approximately 68% higher than the daily average.
Weekend traffic:
Weekend volumes run about 2% below weekday levels.
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Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +11% versus the annual average.
Lowest month:
January is the quietest month, with volumes -21% versus the annual average.

Analytical insight

In Hamilton County, Iowa, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is pronounced at +11% in high season.

Traffic Flow Profile Comparison

Metric

Hamilton

Iowa
Average

Difference

Traffic

1,470

3,042

-51.7%

Truck % (Total Traffic)

17.2%

11.0%

+56.3%

Truck % (Highway)

20.2%

16.1%

+25.7%

Avg. Travel Time

33.6 min

33.0 min

+1.9%

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

IowaDepartment of Transportation

Historical traffic pattern databases

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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