This page delivers traffic analytics for Brown County, South Dakota. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Brown County, South Dakota among 554 road miles divided in 3,963 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 738 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.
5,442
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.9%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.1 min
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
47.4 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$74,410
Our data indicates an estimated average traffic volume of 5,442 vehicles per day in Brown County, South Dakota that results in 1,082,634 vehicle-miles traveled per day (≈395 million per year). The traffic stream is comprised of an average of 1 truck for every 15 vehicles. Typical time spent behind the wheel per trip is 34.1 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the South Dakota state averages: Brown's average daily traffic volume is 72% higher than the state average - 5,442 vehicles per day against 3,156 - suggesting more traffic load per road, a critical factor for logistics and site planning. Network-wide, Brown accounts for about 4.4% of South Dakota's statewide total, at 1,082,634 vehicle-miles traveled per day (≈395 million per year). Journey times run 5% higher than the state level, at 34.1 minutes on average. Brown carries more traffic than 97% of counties in South Dakota. 34% of counties in South Dakota have a shorter average travel time than Brown's 34.1 minutes.
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.
12,434
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
9.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
32.2 min
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
48.2 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$75,010
A significant volume of traffic in Brown County, South Dakota utilizes the highway network. The average highway carries 12,434 vehicles per day, 194% more than the average non-highway road in the same area, which carries 4,236 vehicles per day. That average covers 133 highway road miles divided in 583 segments (average segment length 1,200 ft), together carrying 502,186 vehicle-miles traveled per day (≈183 million per year). By highway travel volume, Brown outranks 85% of counties in South Dakota. Trucks constitute 9.1% of highway traffic.
Analytical insight
At 9.1%, highway truck share is 33% lower than the state average, marking Brown as a primarily local traffic hub - underscoring the importance of local access for logistics operators. 2% of counties in South Dakota see a lower highway truck share than Brown's 9.1%. Brown's highway truck count is higher than 54% of counties in South Dakota, at roughly 1,125 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
4,236
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
5.0%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.4 min
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
46.8 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$73,932
The non-highway road network in Brown County, South Dakota supports a substantial volume of traffic. The average non-highway road carries 4,236 vehicles per day, 66% less than the average highway in the same area, which carries 12,434 vehicles per day. That average covers 421 non-highway road miles divided in 3,380 segments (average segment length 658 ft), together carrying 580,448 vehicle-miles traveled per day (≈212 million per year). Trucks constitute 5.0% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 45% fewer trucks by share. 34% of counties in South Dakota see shorter overall travel times than Brown. 65% of counties in South Dakota see lower average driver income among trip origins than Brown. Brown's median driver age is higher than 25% of counties in South Dakota.
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 63% higher than the daily average.
Weekend traffic:
Weekend volumes run about 25% below weekday levels.
Seasonal Fluctuation
Busy season:
May–July is the high season, with volumes +11% versus the annual average.
Lowest month:
March is the quietest month, with volumes -16% versus the annual average.
Analytical insight
In Brown County, South Dakota, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is pronounced at +11% in high season.
Traffic Flow Profile Comparison
Metric
Brown
South Dakota
Average
Difference
Traffic
5,442
3,156
+72.4%
Truck % (Total Traffic)
6.9%
10.3%
-33.0%
Truck % (Highway)
9.1%
13.6%
-33.4%
Avg. Travel Time
34.1 min
32.5 min
+5.0%
How Brown County compares
Brown County against nearby areas
Compared with its 4 closest neighbours, Brown County carries 501.8% more traffic on a typical road and moves 6.6 times the total daily travel; it has the busiest roads of the five. Bigger and busier at once: more road than the areas around it and heavier traffic on it, which makes it the centre of gravity for travel in this part of the map.
Brown County and the 4 nearest county-level areas by centroid distance, with the South Dakota average for scale.
Brown County sits in South Dakota's top three on average daily traffic volume.
Where Brown 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.
Measure
Brown County
South Dakota rank
Traffic volume (AADT)
5,442
#3 of 66
Highway vehicle-miles per day
502,186
#8 of 49
Truck share on highways
9.1%
#48 of 49
Highway trucks per day
1,125
#23 of 49
Average travel time
34.1 min
#44 of 66
Average driver income
$74,410
#24 of 66
Average driver age
47.4 yrs
#50 of 66
Brown County ranks #3 of 66 on average daily traffic volume but #48 of 49 on truck share on highways - the two describe the same roads and are worth reading together rather than either on its own.
Frequently Asked Questions
The average daily traffic volume is calculated at 5,442 vehicles per day, providing a baseline for daily operations and site assessment.
Brown's highway truck share of 9.1% is higher than 2% of counties in South Dakota.
The average travel time for drivers is 34.1 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 63% above the daily average.
Approximately 6% of highway traffic and 1% of non-highway traffic consists of vehicles whose trip originates outside Brown County, South Dakota. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
Traffic volumes are typically 11% higher during May–July. Volumes drop to their lowest levels in March, averaging 4,588 vehicles per day - a 16% decrease from the annual average.
Drivers on Brown roads have a median age of 47 years, and the median household income of the neighborhoods trips originate from averages $74,410 - useful context for retail siting and customer profiling.
Trucks account for approximately 6.9% of the total traffic mix across all road types, with a significantly higher concentration of 9.1% on highways.
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)
