Iowa in 1984
Deaths 420Fatal crashes 376Per 100,000 —US deaths 44,257
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 1984.
In 1984, 420 people died in 376 fatal crashes in Iowa.
The death toll fell 18% from 514 in 1983 to 420 in 1984.
Iowa accounted for 0.9% of the 44,257 crash deaths recorded nationally that year.
43.9% of the state's fatal crashes that year had at least one driver reported as drinking.
28% of the crashes happened between midnight to 6am; Saturday was the most common day.
Compared with 1983 and the nation
| Measure | Iowa 1984 | Iowa 1983 | United States 1984 |
|---|---|---|---|
| Deaths | 420 | 514 | 44,257 |
| Fatal crashes | 376 | 437 | 39,631 |
| Deaths per 100,000 residents | — | — | — |
| Crashes with a drinking driver | 44% | 45% | 41% |
Counties in 1984
Every county with a fatal crash in 1984, 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 1984?
420 people in 376 fatal crashes, according to NHTSA's FARS 1984 file.
Which county in Iowa had the most crash deaths in 1984?
Polk County with 32 deaths in 30 fatal crashes. The table on this page lists every county with a fatal crash that year.
How did 1984 compare with 1983 in Iowa?
420 deaths against 514 in 1983 (+-18%). Nationally the 1984 total was 44,257.
Provenance
Source: NHTSA Fatality Analysis Reporting System, 1984 national file (accident table); US Census Bureau population estimates (no county estimates before 2000 are used, so no rate is shown for this year). Data through 31 Dec 2024; generated 30 Sep 2026.