This page delivers traffic analytics for Delaware County, Iowa. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Delaware County, Iowa among 366 road miles divided in 2,910 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 664 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.
1,486
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
11.3%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
31.5 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.
51.4 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$80,113
Our data indicates an estimated average traffic volume of 1,486 vehicles per day in Delaware County, Iowa that results in 611,003 vehicle-miles traveled per day (≈223 million per year). The traffic stream is comprised of an average of 1 truck for every 9 vehicles. Typical time spent behind the wheel per trip is 31.5 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Iowa state averages: Delaware's average daily traffic volume is 51% lower than the state average - 1,486 vehicles per day against 3,042 - suggesting less traffic load per road, a critical factor for logistics and site planning. Network-wide, Delaware accounts for about 0.7% of Iowa's statewide total, at 611,003 vehicle-miles traveled per day (≈223 million per year). The average trip takes 31.5 minutes, 5% lower than the state level. The congestion ratio of 6.9% is 39% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. By volume, Delaware's 1,486 vehicles per day outpaces 42% of counties in Iowa. Its average travel time of 31.5 minutes is longer than 22% 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.
4,893
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
14.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
47.5 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.
11.4%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
50.4 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$82,820
A significant volume of traffic in Delaware County, Iowa utilizes the highway network. The average highway carries 4,893 vehicles per day, 263% more than the average non-highway road in the same area, which carries 1,348 vehicles per day. That average covers 64 highway road miles divided in 113 segments (average segment length 3,014 ft), together carrying 316,708 vehicle-miles traveled per day (≈116 million per year). Trucks constitute 14.1% of highway traffic.
Analytical insight
Highway truck concentration here runs 12% lower than the state average, at 14.1% - positioning Delaware as a primarily local traffic hub. For logistics operators, this validates the importance of local access. 48% of counties in Iowa see a lower highway truck share than Delaware's 14.1%. By raw truck volume, Delaware carries more highway trucks than 46% 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.
1,348
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
8.3%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
30.9 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.
6.8%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
51.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$78,292
The non-highway road network in Delaware County, Iowa supports a substantial volume of traffic. The average non-highway road carries 1,348 vehicles per day, 72% less than the average highway in the same area, which carries 4,893 vehicles per day. That average covers 301 non-highway road miles divided in 2,797 segments (average segment length 569 ft), together carrying 294,294 vehicle-miles traveled per day (≈107 million per year). Trucks constitute 8.3% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 41% fewer trucks by share. The non-highway congestion ratio of 6.8% is 39% lower than the state level, suggesting more efficient local mobility than the state average. Overall, average travel time here is longer than 22% of counties in Iowa. Trip origins here have higher average income than 80% of counties in Iowa. The driver population here skews older than 69% of counties in Iowa.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–8:00 AM and PM peak 3:00 PM–7:00 PM, with volumes reaching approximately 73% higher than the daily average.
Weekend traffic:
Weekend volumes run about 11% below weekday levels.
Seasonal Fluctuation
Busy season:
May–July is the high season, with volumes +20% versus the annual average.
Lowest month:
February is the quietest month, with volumes -24% versus the annual average.
Analytical insight
In Delaware County, Iowa, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is pronounced at +20% in high season.
Traffic Flow Profile Comparison
Metric
Delaware
Iowa
Average
Difference
Traffic
1,486
3,042
-51.1%
Truck % (Total Traffic)
11.3%
11.0%
+2.9%
Truck % (Highway)
14.1%
16.1%
-12.3%
Avg. Travel Time
31.5 min
33.0 min
-4.5%
Frequently Asked Questions
The average daily traffic volume is calculated at 1,486 vehicles per day, providing a baseline for daily operations and site assessment.
The driver population in Delaware skews older than 69% of counties in Iowa.
Approximately 31% of highway traffic and 11% of non-highway traffic consists of vehicles whose trip originates outside Delaware 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 Delaware roads have a median age of 51 years, and the median household income of the neighborhoods trips originate from averages $80,113 - useful context for retail siting and customer profiling.
Traffic volumes are typically 20% higher during May–July. Volumes drop to their lowest levels in February, averaging 1,126 vehicles per day - a 24% decrease from the annual average.
The average travel time for drivers is 31.5 minutes, offering a standard metric for commute and delivery route planning.
Weekday peaks occur between 7:00 AM and 8:00 AM in the morning and between 3:00 PM and 7:00 PM in the evening - about 73% 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)
