This page delivers traffic analytics for Clay County, Iowa. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Clay County, Iowa among 287 road miles divided in 2,525 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 600 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.
The average number of vehicles that travel each day over any road in the road network.
1,833
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
9.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
35.3 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
6.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
50.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$70,180
Our data indicates an estimated average traffic volume of 1,833 vehicles per day in Clay County, Iowa that results in 380,536 vehicle-miles traveled per day (≈139 million per year). The traffic stream is comprised of an average of 1 truck for every 11 vehicles. Typical time spent behind the wheel per trip is 35.3 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Iowa state averages: Clay's average daily traffic volume is 40% lower than the state average - 1,833 vehicles per day against 3,042 - suggesting less traffic load per road, a critical factor for logistics and site planning. Across the whole network that adds up to 380,536 vehicle-miles traveled per day (≈139 million per year), roughly 0.5% of Iowa's statewide total. The average trip takes 35.3 minutes, 7% higher than the state level. The congestion ratio of 6.9% is 40% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. Clay carries more traffic than 59% of counties in Iowa. On travel time, Clay runs longer than 71% of counties in Iowa.
Highway vs. Non-Highway Traffic Analysis
Highway Traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
6,560
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
10.9%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
35.8 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
13.4%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
51.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$68,939
A significant volume of traffic in Clay County, Iowa utilizes the highway network. The average highway carries 6,560 vehicles per day, 465% more than the average non-highway road in the same area, which carries 1,162 vehicles per day. That average covers 32 highway road miles divided in 314 segments (average segment length 540 ft), together carrying 143,228 vehicle-miles traveled per day (≈52.3 million per year). Trucks constitute 10.9% of highway traffic.
Analytical insight
At 10.9%, highway truck share is 33% lower than the state average, marking Clay as a primarily local traffic hub - underscoring the importance of local access for logistics operators. Clay's highway truck share (10.9%) is higher than 9% of counties in Iowa. By raw truck volume, Clay carries more highway trucks than 19% of counties in Iowa.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
1,162
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
8.0%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
35.2 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
5.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
50.7 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$71,136
The non-highway road network in Clay County, Iowa supports a substantial volume of traffic. The average non-highway road carries 1,162 vehicles per day, 82% less than the average highway in the same area, which carries 6,560 vehicles per day. That average covers 255 non-highway road miles divided in 2,211 segments (average segment length 609 ft), together carrying 237,308 vehicle-miles traveled per day (≈86.6 million per year). Trucks constitute 8.0% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 26% 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. Clay's overall average travel time exceeds 71% of counties in Iowa. 32% of counties in Iowa see lower average driver income among trip origins than Clay. Clay's median driver age is higher than 60% of counties in Iowa.
Time-of-Day & Seasonal Patterns
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 71% higher than the daily average.
Weekend traffic:
Weekend volumes run about 18% below weekday levels.
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +21% versus the annual average.
Lowest month:
January is the quietest month, with volumes -20% versus the annual average.
Analytical insight
In Clay County, Iowa, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is pronounced at +21% in high season.
Traffic Flow Profile Comparison
Metric
Clay
Iowa
Average
Difference
Traffic
1,833
3,042
-39.7%
Truck % (Total Traffic)
9.1%
11.0%
-17.3%
Truck % (Highway)
10.9%
16.1%
-32.5%
Avg. Travel Time
35.3 min
33.0 min
+6.8%
Frequently Asked Questions
The average daily traffic volume is calculated at 1,833 vehicles per day, providing a baseline for daily operations and site assessment.
Trip origins in Clay have higher average income than 32% of counties in Iowa.
The average travel time for drivers is 35.3 minutes, offering a standard metric for commute and delivery route planning.
Approximately 24% of highway traffic and 10% of non-highway traffic consists of vehicles whose trip originates outside Clay County, Iowa. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
Drivers on Clay roads have a median age of 51 years, and the median household income of the neighborhoods trips originate from averages $70,180 - useful context for retail siting and customer profiling.
Weekday peaks occur between 7:00 AM and 12:00 PM in the morning and between 3:00 PM and 7:00 PM in the evening - about 71% above the daily average.
Trucks account for approximately 9.1% of the total traffic mix across all road types, with a significantly higher concentration of 10.9% on highways.
Traffic volumes are typically 21% higher during June–August. Volumes drop to their lowest levels in January, averaging 1,461 vehicles per day - a 20% decrease from the annual average.
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)
