Iowa in 2004
Deaths 388Fatal crashes 354Per 100,000 13.1US deaths 42,836
FARS data are based on police crash reports and other sources; the drunk-driving measure is based on the highest BAC of any driver in the crash. Final FARS file for 2004.
In 2004, 388 people died in 354 fatal crashes in Iowa, 13.1 deaths per 100,000 residents against 14.6 nationally.
The death toll fell 12% from 443 in 2003 to 388 in 2004.
Iowa accounted for 0.9% of the 42,836 crash deaths recorded nationally that year.
21.2% of the state's fatal crashes that year had at least one driver reported as drinking.
34% of the crashes happened between noon to 6pm; Saturday was the most common day.
Compared with 2003 and the nation
| Measure | Iowa 2004 | Iowa 2003 | United States 2004 |
|---|---|---|---|
| Deaths | 388 | 443 | 42,836 |
| Fatal crashes | 354 | 383 | 38,444 |
| Deaths per 100,000 residents | 13.1 | 15.1 | 14.6 |
| Crashes with a drinking driver | 21% | 26% | 34% |
Counties in 2004
Every county with a fatal crash in 2004, by deaths. Counts under three are shown as "1–2" (small-count rule); the per-100,000 column is blank for them. 91 counties listed.
Per 100,000 uses the 2024 population estimate for every year, so early-year rates are understated where a county has grown.
Hour of day
Weekday
Questions and answers
How many people died in crashes in Iowa in 2004?
388 people in 354 fatal crashes, according to NHTSA's FARS 2004 file, or 13.1 per 100,000 residents.
Which county in Iowa had the most crash deaths in 2004?
Polk County with 38 deaths in 34 fatal crashes. The table on this page lists every county with a fatal crash that year.
How did 2004 compare with 2003 in Iowa?
388 deaths against 443 in 2003 (+-12%). Nationally the 2004 total was 42,836.
Provenance
Source: NHTSA Fatality Analysis Reporting System, 2004 national file (accident table); US Census Bureau population estimates. Data through 31 Dec 2024; generated 30 Sep 2026.