
Total Traffic Volume & Performance in Floyd County, Iowa
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day1,810 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 11.6% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 37.2 min |
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Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 6.7% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 52.4 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $70,852 |
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Our data shows 1,810 vehicles per day on the average road in Floyd County, Iowa, and 533,608 vehicle-miles traveled per day (≈195 million per year) across its 273 miles of monitored roads. About 1 in 9 vehicles is a truck, in line with Iowa (11.0%).
Longer trips than 80% of counties in Iowa
At 1,810 vehicles per day, the average monitored road in Floyd carries 40% less traffic than the state average of 3,042, suggesting less demand on each road - less drive-by exposure for retail, but easier access for deliveries. In total volume terms, its road network carries about 0.6% of Iowa's statewide total of vehicle-miles. 56% of counties in Iowa see less traffic than Floyd's 1,810 vehicles per day.
Journey times run 13% higher than the state level, at 37.2 minutes on average. Its average travel time of 37.2 minutes is longer than 80% of counties in Iowa.
Congestion runs 42% lower than the state level, at a ratio of 6.7%, which means smoother traffic flow - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Floyd County, Iowa
| Traffic | vehicles per day4,800 |
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| Trucks | 14.3% |
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| Average travel time | 53.2 min |
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| Congestion ratio | 10.1% |
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| Drivers’ average age | 52.1 yrs |
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| Drivers’ average income | $72,529 |
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Highways carry more than half of all travel in Floyd County, Iowa (60% of vehicle-miles). The average highway carries 4,800 vehicles per day, 205% more than the average non-highway road in the same area, which carries 1,574 vehicles per day.
With 24% of the road miles (64 miles in 185 segments), highways punch above their length, carrying 318,404 vehicle-miles traveled per day (≈116 million per year).
A typical mix of freight and passenger traffic
At 14.3%, highway truck share is 11% lower than the state average. The highway traffic mix is typical for Iowa: neither freight- nor commuter-dominated.
Floyd's highway truck share (14.3%) is higher than 51% of counties in Iowa. By raw truck volume, Floyd carries fewer highway trucks than 52% of counties in Iowa.

Non-highway Traffic in Floyd County, Iowa
| Traffic | vehicles per day1,574 |
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| Trucks | 7.7% |
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| Average travel time | 35.9 min |
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| Congestion ratio | 6.4% |
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| Drivers’ average age | 52.7 yrs |
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| Drivers’ average income | $69,717 |
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A significant share of driving in Floyd County, Iowa, 40% of vehicle-miles, happens on local roads. The average non-highway road carries 1,574 vehicles per day.
Local roads make up 76% of the monitored road miles (208 miles in 2,344 segments) but carry less than their share of travel: 215,205 vehicle-miles traveled per day (≈78.5 million per year). The truck share on non-highway roads is 7.7%.
Older drivers than 86% of counties in Iowa
The concentration of trucks on non-highway roads is 46% lower than on highways.
Non-highway congestion (6.4%) runs 43% lower than the state average, pointing to smoother local traffic flow.
Floyd's average driver income is lower than 60% of counties in Iowa. The driver population here skews older than 86% of counties in Iowa.