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Douglas County, South Dakota Traffic Counts

This page delivers traffic analytics for Douglas County, South Dakota. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Douglas County, South Dakota among 90 road miles divided in 551 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 860 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.
Data current as of:
Q3 2026
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Total Traffic Volume & Performance

Traffic

Traffic

The average number of vehicles that travel each day over any road in the road network.

820

Trucks

Trucks

The percentage of the total traffic volume composed of heavy vehicles.

9.7%

Average travel time

Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

41.5 min

Drivers’ average age

Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

52.5 yrs

Drivers’ average income

Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$76,549

Our data indicates an estimated average traffic volume of 820 vehicles per day in Douglas County, South Dakota that results in 72,714 vehicle-miles traveled per day (≈26.5 million per year). The traffic stream is comprised of an average of 1 truck for every 10 vehicles. Typical time spent behind the wheel per trip is 41.5 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the South Dakota state averages: At 820 vehicles per day, the average monitored road in Douglas carries 74% less traffic than the state average of 3,156 vehicles per day - a critical factor for logistics and site planning. Across the whole network that adds up to 72,714 vehicle-miles traveled per day (≈26.5 million per year), roughly 0.3% of South Dakota's statewide total. At 41.5 minutes, the average travel time is 28% higher than the state level. Douglas carries more traffic than 32% of counties in South Dakota. On travel time, Douglas runs longer than 77% of counties in South Dakota.

Highway vs. Non-Highway Traffic Analysis

Analytical insight

N/A
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Non-highway traffic

Traffic

Traffic

The average number of vehicles that travel each day over any road in the road network.

820

Trucks

Trucks

The percentage of the total traffic volume composed of heavy vehicles.

9.7%

Average travel time

Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

41.5 min

Drivers’ average age

Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

52.5 yrs

Drivers’ average income

Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$76,549

The non-highway road network in Douglas County, South Dakota supports a substantial volume of traffic. The average non-highway road carries 820 vehicles per day. That average covers 90 non-highway road miles divided in 551 segments (average segment length 860 ft), together carrying 72,714 vehicle-miles traveled per day (≈26.5 million per year). Trucks constitute 9.7% of non-highway traffic.

Analytical insight

Overall, average travel time here is longer than 77% of counties in South Dakota. Douglas's average driver income exceeds 72% of counties in South Dakota. 74% of counties in South Dakota have a younger driver population than Douglas.

Time-of-Day & Seasonal Patterns

Analytical insight

In Douglas County, South Dakota, the peak hour concentrates about 8% of the day's traffic.

Traffic Flow Profile Comparison

Metric

Douglas

South Dakota
Average

Difference

Traffic

820

3,156

-74.0%

Truck % (Total Traffic)

9.7%

10.3%

-5.4%

Truck % (Highway)

13.6%

Avg. Travel Time

41.5 min

32.5 min

+27.9%

How Douglas County compares

Douglas County against nearby areas

Set against the average of the 4 areas nearest to it, Douglas County carries 50.9% less traffic on a typical road and moves 29.8% of the total daily travel; it has the fourth busiest roads of the five. Quiet roads and long journeys - a rural pattern, where the distance between destinations rather than the traffic on the way is what takes the time.

Douglas County and the 4 nearest county-level areas by centroid distance, with the South Dakota average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Douglas County8209.7%72,71441.5 minN/A
Charles Mix County, South Dakota1,1189.6%149,36234.0 minN/A
Hutchinson County, South Dakota1,09210.1%161,50940.4 minN/A
Davison County, South Dakota3,87610.3%566,97233.6 minN/A
Bon Homme County, South Dakota5909.6%98,62841.7 minN/A
South Dakota average3,15610.3%N/A32.5 min12.9%

Douglas County ranked within South Dakota

Average travel time places Douglas County #16 of 66 in South Dakota - the top quarter of the state.

Where Douglas County sits among South Dakota's county-level areas on each measure. Rank 1 is the highest value in the state, whether or not that is the outcome you want; the field size differs by measure because not every county carries highway data.
MeasureDouglas CountySouth Dakota rank
Traffic volume (AADT)820#45 of 66
Average travel time41.5 min#16 of 66
Average driver income$76,549#19 of 66
Average driver age52.5 yrs#18 of 66

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)

Road sensor networks and traffic counters

Historical traffic pattern databases

Public traffic count programs published by the

South DakotaDepartment of Transportation

Historical traffic pattern databases

U.S. Census Bureau
All metrics represent estimates based on statistical modeling and are intended for strategic planning purposes.
TrafficZoom methodology
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Data current as of:
Q3 2026

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Counties near Douglas County

The same traffic breakdown for the areas closest to Douglas County, South Dakota.

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