8.5%
Share of PennDOT reported crashes flagged drinking driver, 2016-2025
above somewhat above the state share
95% range: 8.0%–9.1%County evidence
Mercer County, Pennsylvania
County identity and carefully framed public-data context.
2024 ACS population109,257
Coverage levelT1
Data through2025
UpdatedAug. 2, 2026
Technical build details
cube cube-20260802-3f91ff852ded · registry countycase-metric-registry-1.4.0
Reported crash flags
3.2%
Share of PennDOT reported crashes flagged drugged driver, 2016-2025
near broadly near the state share
95% range: 2.9%–3.5%11.3%
Share of PennDOT reported crashes flagged distracted, 2016-2025
near broadly near the state share
95% range: 10.7%–11.9%51.2%
Share of PennDOT reported crashes flagged aggressive driving, 2016-2025
near broadly near the state share
95% range: 50.3%–52.1%24.3%
Share of PennDOT reported crashes flagged speeding related, 2016-2025
near near the state share
19.8%
Share of PennDOT reported crashes flagged mature driver, 2016-2025
above somewhat above the state share
95% range: 19.0%–20.5%18.3%
Share of PennDOT reported crashes flagged young driver, 2016-2025
near near the state share
9.9%
Share of PennDOT reported crashes flagged deer related, 2016-2025
well above well above the state share
1.1%
Share of PennDOT reported crashes flagged work zone, 2016-2025
below somewhat below the state share
95% range: 0.9%–1.3%0.3%
Share of PennDOT reported crashes flagged school zone, 2016-2025
below somewhat below the state share
95% range: 0.2%–0.4%Keep in view: These reported-crash flags can overlap and do not measure how often individual drivers engage in a behavior or establish why a crash happened.
Crash severity
11.2
Share of reported crashes that were fatal: 11.2 per 1,000, 2016-2025
above somewhat above the state rate
95% range: 9.4–13.311.1%
Suspected-serious share of the source-defined reported-crash injury universe, 2016-2025
well above possibly well above the state share
95% range: 10.2%–12.1%Keep in view: The share of reported crashes that were fatal does not measure a county's danger, a traveler's risk, or the cause of any crash.
Fatal-crash timing
31.7%
Share of FARS fatal crashes that were night, 2015-2024
near broadly near the state share
95% range: 24.3%–40.3%31.0%
Share of FARS fatal crashes that were weekend, 2015-2024
near broadly near the state share
95% range: 23.5%–39.5%31.7%
Share of FARS fatal crashes that were impaired involved, 2015-2024
above somewhat above the state share
95% range: 24.3%–40.3%Keep in view: These time and involvement shares describe fatal crashes in FARS and do not measure an individual's risk or establish why a crash occurred.
Population context
98.9
Annual reported crashes per 10,000 residents (2024 ACS population), 2025
above above the state rate
98.6
Five-year annualized reported crashes per 10,000 residents (2024 ACS population), 2021-2025
above above the state rate
Keep in view: Crashes per resident use population as context, not miles traveled, and do not measure an individual resident's driving risk.
Truck-crash context
1.14
Truck-crash share relative to overall reported-crash share, 2015-2023
above somewhat above the state level
95% range: 1.06–1.23Keep in view: This location quotient compares shares of reported crashes and does not measure truck-driver fault, carrier safety, or roadway danger.
Long-run trajectory
1,081
Annual Reportable Crashes, 2025
77.6
Annual Crash Index (2006=100), 2025
below somewhat below the state index
95% range: 71.7–84.069.6
Crash Index (2006=100), 2020
well below possibly well below the state index
95% range: 64.2–75.677.3
Mean Recovery Index, 2021-2025
below somewhat below the state index
95% range: 72.9–82.07.0
Mean Absolute County-State Index Gap, 2006-2025
below below the state level
Keep in view: An indexed trajectory compares reported-crash counts with a county's own 2006 base and does not measure safety, danger, or individual risk.
Source notices
- Source: Pennsylvania Department of Transportation, public crash open-data files.
- Aggregate-only use; no source-record redistribution
- Source: National Highway Traffic Safety Administration, Fatality Analysis Reporting System (Final files).
- Final-release and source-universe notice
- Source: U.S. Census Bureau, 2024 American Community Survey 5-year estimates.
- This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
- Source: Federal Motor Carrier Safety Administration, MCMIS Crash File, U.S. DOT Data Portal.
- Matured years and deduplicated crash-event notice