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Mercer County, North Dakota Traffic Counts

This page delivers traffic analytics for Mercer County, North Dakota. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Mercer County, North Dakota among 199 road miles divided in 1,212 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 868 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.

1,102

Trucks

Trucks

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

10.9%

Average travel time

Average travel time

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

30.4 min

Congestion ratio

Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.

4.7%

Drivers’ average age

Drivers’ average age

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

53.0 yrs

Drivers’ average income

Drivers’ average income

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

$84,803

Our data indicates an estimated average traffic volume of 1,102 vehicles per day in Mercer County, North Dakota that results in 183,250 vehicle-miles traveled per day (≈66.9 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 30.4 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the North Dakota state averages: Mercer sees 49% lower average daily traffic volume than the state average (1,102 vehicles per day against 2,174), suggesting less demand on each road - a critical factor for logistics and site planning. Network-wide, Mercer accounts for about 1.0% of North Dakota's statewide total, at 183,250 vehicle-miles traveled per day (≈66.9 million per year). The average trip takes 30.4 minutes, 18% lower than the state level. At 56% lower than the state level, the 4.7% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning. Mercer carries more traffic than 71% of counties in North Dakota. 10% of counties in North Dakota have a shorter average travel time than Mercer's 30.4 minutes.

Highway vs. Non-Highway Traffic Analysis

Analytical insight

N/A
non-highway traffic icon

Non-highway traffic

Traffic

Traffic

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

1,102

Trucks

Trucks

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

10.9%

Average travel time

Average travel time

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

30.4 min

Congestion ratio

Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.

4.7%

Drivers’ average age

Drivers’ average age

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

53.0 yrs

Drivers’ average income

Drivers’ average income

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

$84,803

The non-highway road network in Mercer County, North Dakota supports a substantial volume of traffic. The average non-highway road carries 1,102 vehicles per day. That average covers 199 non-highway road miles divided in 1,212 segments (average segment length 868 ft), together carrying 183,250 vehicle-miles traveled per day (≈66.9 million per year). Trucks constitute 10.9% of non-highway traffic.

Analytical insight

Non-highway congestion (4.7%) runs 57% lower than the state average, pointing to smoother local traffic flow. Mercer's overall average travel time exceeds 10% of counties in North Dakota. 71% of counties in North Dakota see lower average driver income among trip origins than Mercer. 67% of counties in North Dakota have a younger driver population than Mercer.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and PM peak 3:00 PM–7:00 PM, with volumes reaching approximately 80% higher than the daily average.
Weekend traffic:
Weekend volumes run about 24% below weekday levels.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +20% versus the annual average.
Lowest month:
March is the quietest month, with volumes -23% versus the annual average.

Analytical insight

In Mercer County, North Dakota, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is pronounced at +20% in high season.

Traffic Flow Profile Comparison

Metric

Mercer

North Dakota
Average

Difference

Traffic

1,102

2,174

-49.3%

Truck % (Total Traffic)

10.9%

11.1%

-1.3%

Truck % (Highway)

14.5%

Avg. Travel Time

30.4 min

37.0 min

-17.9%

How Mercer County compares

Mercer County against nearby areas

Against the 4 nearest areas, Mercer County sees 27.4% shorter typical trips and moves 39.8% of the total daily travel; it has the third busiest roads of the five. It is the quiet one of the group - below the areas around it on volume, total travel and trip length alike.

Mercer County and the 4 nearest county-level areas by centroid distance, with the North Dakota average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Mercer County1,10210.9%183,25030.4 min4.7%
Oliver County, North Dakota83810.1%76,66241.4 min3.3%
McLean County, North Dakota73211.5%348,03845.1 min3.2%
Dunn County, North Dakota2,04516.7%399,85749.3 min7.7%
Morton County, North Dakota2,56014.7%1,017,52931.7 min7.2%
North Dakota average2,17411.1%N/A37.0 min10.6%

Mercer County ranked within North Dakota

Mercer County sits in the bottom quarter of the North Dakota field on average travel time, at #48 of 53.

Where Mercer County sits among North 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.
MeasureMercer CountyNorth Dakota rank
Traffic volume (AADT)1,102#16 of 53
Average travel time30.4 min#48 of 53
Average driver income$84,803#16 of 53
Average driver age53.0 yrs#18 of 53

Mercer County ranks #16 of 53 on average daily traffic volume but #48 of 53 on average travel time - the two describe the same roads and are worth reading together rather than either on its own.

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

North 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 Mercer County

The same traffic breakdown for the areas closest to Mercer County, North Dakota.

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