
Total Traffic Volume & Performance in Minnehaha County, South Dakota
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day5,965 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 7.7% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 31.4 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. | 13.4% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 43.0 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $88,724 |
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Our data shows 5,965 vehicles per day on the average road in Minnehaha County, South Dakota, and 3,884,834 vehicle-miles traveled per day (≈1.4 billion per year) across its 858 miles of monitored roads. About 1 in 13 vehicles is a truck, fewer than the 1 in 10 across South Dakota.
The busiest roads of any county in South Dakota
At 5,965 vehicles per day, the average monitored road in Minnehaha carries 89% more traffic than the state average of 3,156, suggesting more demand on each road - prime passing trade for storefronts, with more competition for road space. Network-wide, Minnehaha accounts for about 16% of South Dakota's statewide total of vehicle-miles. Minnehaha stands out as having the highest traffic volume in South Dakota - 5,965 vehicles per day.
The average trip takes 31.4 minutes, on par with the state level. 82% of counties in South Dakota have a longer average travel time than Minnehaha's 31.4 minutes.
The congestion ratio of 13.4% is in line with the state level.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Minnehaha County, South Dakota
| Traffic | vehicles per day10,397 |
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| Trucks | 11.9% |
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| Average travel time | 32.8 min |
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| Congestion ratio | 17.6% |
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| Drivers’ average age | 43.5 yrs |
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| Drivers’ average income | $89,442 |
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Highways carry a significant share of travel in Minnehaha County, South Dakota: 39% of all vehicle-miles. The average highway carries 10,397 vehicles per day, 79% more than the average non-highway road in the same area, which carries 5,804 vehicles per day.
With 19% of the road miles (160 miles in 512 segments), highways punch above their length, carrying 1,523,302 vehicle-miles traveled per day (≈556 million per year).
By highway travel volume, that ranks Minnehaha in the top 3 counties in South Dakota.
More highway trucks than 94% of counties in South Dakota
At 11.9%, highway truck share is 12% lower than the state average. The highway traffic mix is typical for South Dakota: neither freight- nor commuter-dominated.
Minnehaha's highway truck share (11.9%) is lower than 79% of counties in South Dakota. Minnehaha's highway truck count is higher than 94% of counties in South Dakota, at roughly 1,238 trucks per day.

Non-highway Traffic in Minnehaha County, South Dakota
| Traffic | vehicles per day5,804 |
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| Trucks | 4.9% |
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| Average travel time | 31.3 min |
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| Congestion ratio | 13.2% |
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| Drivers’ average age | 42.9 yrs |
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| Drivers’ average income | $88,390 |
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A little more than half of the driving in Minnehaha County, South Dakota happens on local roads: 61% of all vehicle-miles. A typical local road sees 5,804 vehicles per day.
Local roads make up 81% of the monitored road miles (697 miles in 14,128 segments) but carry less than their share of travel: 2,361,532 vehicle-miles traveled per day (≈862 million per year). The truck share on non-highway roads is 4.9%.
Drivers from higher-income areas than 98% of counties in South Dakota
Non-highway roads carry a truck concentration that's 59% lower than the highway network.
The non-highway congestion ratio of 13.2% is in line with the state level.
98% of counties in South Dakota see lower average driver income among trip origins than Minnehaha. The driver population here skews younger than 86% of counties in South Dakota.