283
Deaths of county residents, CDC WONDER, 2018-2024
County evidence
Delaware County, Pennsylvania
County identity and carefully framed public-data context.
2024 ACS population579,222
Coverage levelT1
Data through2025
UpdatedAug. 2, 2026
Technical build details
cube cube-20260802-3f91ff852ded · registry countycase-metric-registry-1.4.0
Residence and crash location
189
Deaths from crashes in this county, FARS, 2018-2024
-94
Crash-location fatalities minus resident deaths, 2018-2024
location minus resident A signed difference between the two source counts.
Keep in view: This difference is not a count of people traveling into or out of the county and does not identify where county residents crashed.
Reported crash flags
7.1%
Share of PennDOT reported crashes flagged drinking driver, 2016-2025
near near the state share
3.4%
Share of PennDOT reported crashes flagged drugged driver, 2016-2025
near broadly near the state share
95% range: 3.2%–3.6%12.0%
Share of PennDOT reported crashes flagged distracted, 2016-2025
above somewhat above the state share
95% range: 11.7%–12.3%59.8%
Share of PennDOT reported crashes flagged aggressive driving, 2016-2025
near near the state share
18.0%
Share of PennDOT reported crashes flagged speeding related, 2016-2025
below below the state share
18.2%
Share of PennDOT reported crashes flagged mature driver, 2016-2025
near near the state share
16.1%
Share of PennDOT reported crashes flagged young driver, 2016-2025
near broadly near the state share
95% range: 15.8%–16.5%1.3%
Share of PennDOT reported crashes flagged deer related, 2016-2025
well below well below the state share
1.0%
Share of PennDOT reported crashes flagged work zone, 2016-2025
well below possibly well below the state share
95% range: 0.9%–1.1%0.4%
Share of PennDOT reported crashes flagged school zone, 2016-2025
above somewhat above the state share
95% range: 0.3%–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
5.3
Share of reported crashes that were fatal: 5.3 per 1,000, 2016-2025
well below well below the state rate
8.5%
Suspected-serious share of the source-defined reported-crash injury universe, 2016-2025
near near the state share
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
38.9%
Share of FARS fatal crashes that were night, 2015-2024
above somewhat above the state share
95% range: 33.0%–45.1%31.6%
Share of FARS fatal crashes that were weekend, 2015-2024
near broadly near the state share
95% range: 26.1%–37.6%24.3%
Share of FARS fatal crashes that were impaired involved, 2015-2024
near broadly near the state share
95% range: 19.4%–30.0%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
75.2
Annual reported crashes per 10,000 residents (2024 ACS population), 2025
below somewhat below the state rate
95% range: 73.0–77.480.9
Five-year annualized reported crashes per 10,000 residents (2024 ACS population), 2021-2025
near near 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
0.82
Truck-crash share relative to overall reported-crash share, 2015-2023
below below the state level
Keep 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
4,354
Annual Reportable Crashes, 2025
87.0
Annual Crash Index (2006=100), 2025
below somewhat below the state index
95% range: 83.5–90.686.0
Crash Index (2006=100), 2020
below below the state index
93.6
Mean Recovery Index, 2021-2025
near near the state index
3.9
Mean Absolute County-State Index Gap, 2006-2025
well below well 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: CDC/NCHS, National Vital Statistics System, Underlying Cause of Death on CDC WONDER.
- Retain the query edition and CDC WONDER data-use conditions
- CountyCase CC BY does not convey or replace WONDER obligations; downstream users remain independently bound
- Source: National Highway Traffic Safety Administration, Fatality Analysis Reporting System (Final files).
- Final-release and source-universe notice
- Source: Pennsylvania Department of Transportation, public crash open-data files.
- Aggregate-only use; no source-record redistribution
- 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