This page delivers traffic analytics for Mercer County, Ohio. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Mercer County, Ohio among 283 road miles divided in 3,297 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 453 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.
3,270
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
10.2%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.4 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.
9.3%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
49.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$80,887
Our data indicates an estimated average traffic volume of 3,270 vehicles per day in Mercer County, Ohio that results in 803,661 vehicle-miles traveled per day (≈293 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 33.4 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Ohio state averages: Mercer's average daily traffic volume is 43% lower than the state average - 3,270 vehicles per day against 5,773 - suggesting less traffic load per road, a critical factor for logistics and site planning. In total volume terms, its road network carries 803,661 vehicle-miles traveled per day (≈293 million per year), about 0.3% of Ohio's statewide total. Journey times run 2% higher than the state level, at 33.4 minutes on average. At 43% lower than the state level, the 9.3% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning. 49% of counties in Ohio see less traffic than Mercer's 3,270 vehicles per day. 51% of counties in Ohio have a shorter average travel time than Mercer's 33.4 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.
6,295
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
11.9%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.8 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.
15.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
49.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$78,241
A significant volume of traffic in Mercer County, Ohio utilizes the highway network. The average highway carries 6,295 vehicles per day, 130% more than the average non-highway road in the same area, which carries 2,740 vehicles per day. That average covers 51 highway road miles divided in 492 segments (average segment length 550 ft), together carrying 289,222 vehicle-miles traveled per day (≈106 million per year). Trucks constitute 11.9% of highway traffic.
Analytical insight
At 11.9%, highway truck share is 20% lower than the state average, marking Mercer as a primarily local traffic hub - underscoring the importance of local access for logistics operators. 27% of counties in Ohio see a lower highway truck share than Mercer's 11.9%. Mercer's highway truck count is higher than 16% of counties in Ohio, at roughly 750 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
2,740
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
9.2%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.2 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.
8.1%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
49.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$82,514
The non-highway road network in Mercer County, Ohio supports a substantial volume of traffic. The average non-highway road carries 2,740 vehicles per day, 56% less than the average highway in the same area, which carries 6,295 vehicles per day. That average covers 232 non-highway road miles divided in 2,805 segments (average segment length 436 ft), together carrying 514,440 vehicle-miles traveled per day (≈188 million per year). Trucks constitute 9.2% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 23% fewer trucks by share. The non-highway congestion ratio of 8.1% is 49% lower than the state level, suggesting more efficient local mobility than the state average. Mercer's overall average travel time exceeds 51% of counties in Ohio. 76% of counties in Ohio see lower average driver income among trip origins than Mercer. 48% of counties in Ohio have a younger driver population than Mercer.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and PM peak 3:00 PM–6:00 PM, with volumes reaching approximately 68% higher than the daily average.
Weekend traffic:
Weekend volumes run about 15% below weekday levels.
Seasonal Fluctuation
Busy season:
August–October is the high season, with volumes +10% versus the annual average.
Lowest month:
January is the quietest month, with volumes -22% versus the annual average.
Analytical insight
In Mercer County, Ohio, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is pronounced at +10% in high season.
Traffic Flow Profile Comparison
Metric
Mercer
Ohio
Average
Difference
Traffic
3,270
5,773
-43.4%
Truck % (Total Traffic)
10.2%
9.9%
+2.4%
Truck % (Highway)
11.9%
14.9%
-20.0%
Avg. Travel Time
33.4 min
32.9 min
+1.7%
Frequently Asked Questions
The average daily traffic volume is calculated at 3,270 vehicles per day, providing a baseline for daily operations and site assessment.
Mercer carries more highway trucks by raw volume than 16% of counties in Ohio, at roughly 750 per day.
Trucks account for approximately 10.2% of the total traffic mix across all road types, with a significantly higher concentration of 11.9% on highways.
Traffic volumes are typically 10% higher during August–October. Volumes drop to their lowest levels in January, averaging 2,548 vehicles per day - a 22% decrease from the annual average.
Approximately 11% of highway traffic and 9% of non-highway traffic consists of vehicles whose trip originates outside Mercer County, Ohio. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
The average travel time for drivers is 33.4 minutes, offering a standard metric for commute and delivery route planning.
Drivers on Mercer roads have a median age of 49 years, and the median household income of the neighborhoods trips originate from averages $80,887 - useful context for retail siting and customer profiling.
Weekday peaks occur between 10:00 AM and 12:00 PM in the morning and between 3:00 PM and 6:00 PM in the evening - about 68% above the daily average.
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)
