This page delivers traffic analytics for Sioux County, Iowa. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Sioux County, Iowa among 467 road miles divided in 3,591 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 687 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.
2,428
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.
31.7 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.
9.7%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$86,272
Our data indicates an estimated average traffic volume of 2,428 vehicles per day in Sioux County, Iowa that results in 808,319 vehicle-miles traveled per day (≈295 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 31.7 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Iowa state averages: Sioux's average daily traffic volume is 20% lower than the state average - 2,428 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 808,319 vehicle-miles traveled per day (≈295 million per year), roughly 1.0% of Iowa's statewide total. Journey times run 4% lower than the state level, at 31.7 minutes on average. Congestion runs 15% lower than the state level, at a ratio of 9.7% - smoother traffic flow - crucial for traffic control improvement and logistics planning. 77% of counties in Iowa see less traffic than Sioux's 2,428 vehicles per day. 24% of counties in Iowa have a shorter average travel time than Sioux's 31.7 minutes.
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.
2,860
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
13.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
54.2 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.
6.2%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
45.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$80,799
A significant volume of traffic in Sioux County, Iowa utilizes the highway network. The average highway carries 2,860 vehicles per day, 18% more than the average non-highway road in the same area, which carries 2,415 vehicles per day. That average covers 47 highway road miles divided in 104 segments (average segment length 2,398 ft), together carrying 148,637 vehicle-miles traveled per day (≈54.3 million per year). Trucks constitute 13.5% of highway traffic.
Analytical insight
Highway truck concentration here runs 16% lower than the state average, at 13.5% - positioning Sioux as a primarily local traffic hub. For logistics operators, this validates the importance of local access. By truck concentration, highways here outrank 36% of counties in Iowa. By raw truck volume, Sioux carries more highway trucks than 10% 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.
2,415
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
8.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
31.0 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.
9.8%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$86,898
The non-highway road network in Sioux County, Iowa supports a substantial volume of traffic. The average non-highway road carries 2,415 vehicles per day, 16% less than the average highway in the same area, which carries 2,860 vehicles per day. That average covers 420 non-highway road miles divided in 3,487 segments (average segment length 636 ft), together carrying 659,683 vehicle-miles traveled per day (≈241 million per year). Trucks constitute 8.1% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 40% fewer trucks by share. The non-highway congestion ratio of 9.8% is 12% lower than the state level, suggesting more efficient local mobility than the state average. Overall, average travel time here is longer than 24% of counties in Iowa. 91% of counties in Iowa see lower average driver income among trip origins than Sioux. Sioux's median driver age is higher than 5% 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 62% higher than the daily average.
Weekend traffic:
Weekend volumes run about 36% below weekday levels.
Seasonal Fluctuation
Busy season:
April–June is the high season, with volumes +10% versus the annual average.
Lowest month:
January is the quietest month, with volumes -21% versus the annual average.
Analytical insight
In Sioux County, Iowa, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +10% in high season.
Traffic Flow Profile Comparison
Metric
Sioux
Iowa
Average
Difference
Traffic
2,428
3,042
-20.2%
Truck % (Total Traffic)
9.1%
11.0%
-17.3%
Truck % (Highway)
13.5%
16.1%
-16.0%
Avg. Travel Time
31.7 min
33.0 min
-4.0%
Frequently Asked Questions
The average daily traffic volume is calculated at 2,428 vehicles per day, providing a baseline for daily operations and site assessment.
Sioux carries more highway trucks by raw volume than 10% of counties in Iowa, at roughly 387 per day.
Drivers on Sioux roads have a median age of 44 years, and the median household income of the neighborhoods trips originate from averages $86,272 - useful context for retail siting and customer profiling.
Trucks account for approximately 9.1% of the total traffic mix across all road types, with a significantly higher concentration of 13.5% on highways.
Approximately 52% of highway traffic and 8% of non-highway traffic consists of vehicles whose trip originates outside Sioux 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.
The average travel time for drivers is 31.7 minutes, offering a standard metric for commute and delivery route planning.
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 62% above the daily 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)
