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Spink County, South Dakota Traffic Counts

This page delivers traffic analytics for Spink County, South Dakota. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Spink County, South Dakota among 311 road miles divided in 1,068 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 1,536 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

1,182

Trucks

10.9%

Average travel time

37.9 min

Drivers’ average age

52.7 yrs

Drivers’ average income

$73,063

Our data indicates an estimated average traffic volume of 1,182 vehicles per day in Spink County, South Dakota that results in 267,162 vehicle-miles traveled per day (≈97.5 million per year). The traffic stream is comprised of an average of 1 truck for every 9 vehicles. Typical time spent behind the wheel per trip is 37.9 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the South Dakota state averages: Spink's average daily traffic volume is 63% lower than the state average - 1,182 vehicles per day against 3,156 - suggesting less traffic load per road, a critical factor for logistics and site planning. Network-wide, Spink accounts for about 1.1% of South Dakota's statewide total, at 267,162 vehicle-miles traveled per day (≈97.5 million per year). At 37.9 minutes, the average travel time is 17% higher than the state level. 57% of counties in South Dakota see less traffic than Spink's 1,182 vehicles per day. 55% of counties in South Dakota have a shorter average travel time than Spink's 37.9 minutes.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic

Traffic

3,825

Trucks

12.5%

Average travel time

41.1 min

Drivers’ average age

52.5 yrs

Drivers’ average income

$72,877

A significant volume of traffic in Spink County, South Dakota utilizes the highway network. The average highway carries 3,825 vehicles per day, 476% more than the average non-highway road in the same area, which carries 664 vehicles per day. That average covers 59 highway road miles divided in 175 segments (average segment length 1,790 ft), together carrying 144,511 vehicle-miles traveled per day (≈52.7 million per year). By highway travel volume, Spink outranks 50% of counties in South Dakota. Trucks constitute 12.5% of highway traffic.

Analytical insight

Highway truck concentration here runs 8% lower than the state average, at 12.5% - positioning Spink as a primarily local traffic hub. For logistics operators, this validates the importance of local access. By truck concentration, highways here outrank 28% of counties in South Dakota. Spink's highway truck count is higher than 46% of counties in South Dakota, at roughly 479 trucks per day.
non-highway traffic icon

Non-highway traffic

Traffic

664

Trucks

9.1%

Average travel time

37.2 min

Drivers’ average age

53.2 yrs

Drivers’ average income

$73,332

The non-highway road network in Spink County, South Dakota supports a substantial volume of traffic. The average non-highway road carries 664 vehicles per day, 83% less than the average highway in the same area, which carries 3,825 vehicles per day. That average covers 251 non-highway road miles divided in 893 segments (average segment length 1,487 ft), together carrying 122,651 vehicle-miles traveled per day (≈44.8 million per year). Trucks constitute 9.1% of non-highway traffic.

Analytical insight

The concentration of trucks on non-highway roads is 28% lower than on highways. Spink's overall average travel time exceeds 55% of counties in South Dakota. Spink's average driver income exceeds 55% of counties in South Dakota. The driver population here skews older than 75% of counties in South Dakota.

Time-of-Day & Seasonal Patterns

Analytical insight

In Spink County, South Dakota, the peak hour concentrates about 7% of the day's traffic.

Traffic Flow Profile Comparison

Metric

Spink

South Dakota
Average

Difference

Traffic

1,182

3,156

-62.5%

Truck % (Total Traffic)

10.9%

10.3%

+6.3%

Truck % (Highway)

12.5%

13.6%

-7.9%

Avg. Travel Time

37.9 min

32.5 min

+16.6%

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.
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Data current as of:
Q3 2026

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