
Total Traffic Volume & Performance in Ida County, Iowa
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day1,330 |
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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. | 28.4 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. | 5.8% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 51.0 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $66,876 |
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Our data shows 1,330 vehicles per day on the average road in Ida County, Iowa, and 213,216 vehicle-miles traveled per day (≈77.8 million per year) across its 185 miles of monitored roads. Trucks are 11.6% of traffic, close to the 11.0% across Iowa.
Shorter trips than 98% of counties in Iowa
Ida sees 56% lower average daily traffic volume than the state average (1,330 vehicles per day against 3,042), suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. Across the whole network, that travel is about 0.3% of Iowa's statewide total. Ida carries less traffic than 76% of counties in Iowa.
At 28.4 minutes, the average travel time is 14% lower than the state level. Its average travel time of 28.4 minutes is shorter than 98% of counties in Iowa.
Congestion runs 49% lower than the state level, at a ratio of 5.8%, which means smoother traffic flow - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Ida County, Iowa
| Traffic | vehicles per day2,676 |
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| Trucks | 15.1% |
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| Average travel time | 54.1 min |
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| Congestion ratio | 5.8% |
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| Drivers’ average age | 48.0 yrs |
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| Drivers’ average income | $70,350 |
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A significant share of driving in Ida County, Iowa, 37% of vehicle-miles, happens on highways. The average highway carries 2,676 vehicles per day, 117% more than the average non-highway road in the same area, which carries 1,233 vehicles per day.
Highways make up 16% of the monitored road miles (29 miles, 95 segments), so they carry more than their share: 78,155 vehicle-miles traveled per day (≈28.5 million per year).
Fewer highway trucks than 91% of counties in Iowa
At 15.1%, highway truck share is 6% lower than the state average. The highway traffic mix is typical for Iowa: neither freight- nor commuter-dominated.
59% of counties in Iowa see a lower highway truck share than Ida's 15.1%. 91% of counties in Iowa see more highway trucks per day than Ida's roughly 405.

Non-highway Traffic in Ida County, Iowa
| Traffic | vehicles per day1,233 |
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| Trucks | 9.6% |
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| Average travel time | 26.5 min |
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| Congestion ratio | 5.8% |
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| Drivers’ average age | 52.8 yrs |
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| Drivers’ average income | $66,029 |
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Local roads carry more than half of all travel in Ida County, Iowa (63% of vehicle-miles). On the average non-highway road, that comes to 1,233 vehicles per day.
Local roads make up 84% of the monitored road miles (156 miles in 1,310 segments) but carry less than their share of travel: 135,061 vehicle-miles traveled per day (≈49.3 million per year). Trucks make up 9.6% of non-highway traffic, about 1 in 10 vehicles.
Drivers from lower-income areas than 84% of counties in Iowa
Non-highway roads carry a truck concentration that's 36% lower than the highway network.
At 48% lower than the state level, the non-highway congestion ratio of 5.8% signals easier movement on local roads.
Ida's average driver income is lower than 84% of counties in Iowa. The driver population here skews older than 62% of counties in Iowa.