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1979

Iowa · year

Iowa in 1979

Deaths 655Fatal crashes 566Per 100,000 —US deaths 51,093

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 1979.

In 1979, 655 people died in 566 fatal crashes in Iowa.

The death toll was about level between 1978 (638) and 1979 (655).

Iowa accounted for 1.3% of the 51,093 crash deaths recorded nationally that year.

41.3% of the state's fatal crashes that year had at least one driver reported as drinking.

29% of the crashes happened between 6pm to midnight; Saturday was the most common day.

Compared with 1978 and the nation

MeasureIowa 1979Iowa 1978United States 1979
Deaths65563851,093
Fatal crashes56655245,223
Deaths per 100,000 residents———
Crashes with a drinking driver41%33%39%

Counties in 1979

Every county with a fatal crash in 1979, by deaths. Counts under three are shown as "1–2" (small-count rule); the per-100,000 column is blank for them. 95 counties listed.

CountyFatal crashesDeathsPer 100,000Deaths 2015–2024
Polk County41438.3337
Scott County273117.7164
Black Hawk County242518.9103
Linn County202410.4154
Clinton County151941.350
Benton County131765.958
Dubuque County131717.166
Webster County151643.359
Pottawattamie County121617.1118
Lee County111443.264
Woodbury County131312.192
Muscatine County91330.948
Wapello County91336.441
Jasper County101128.945
Hamilton County91174.030
Marion County91029.437
Keokuk County710101.514
Johnson County995.680
Story County998.846
Warren County7916.056
Howard County4996.28
Buchanan County8838.623
Boone County7726.232
Jones County7733.233
Louisa County7765.920
Adair County6794.230
Butler County6749.418
Cass County6753.740
Dallas County676.160
Grundy County6756.416
Guthrie County6765.011
Palo Alto County6779.511
Plymouth County6727.143
Buena Vista County5733.620
Clayton County6635.432
Des Moines County6615.629
Mahaska County6627.230
Sioux County6616.437
Tama County6635.825
Clay County5636.417
Decatur County5678.423
Lyon County5648.515
Marshall County5614.955
Page County5639.916
Cerro Gordo County4614.159
Winneshiek County4630.430
Chickasaw County5542.718
Hancock County5547.113
Harrison County5534.231
Delaware County4528.422
Fayette County4526.129
Mitchell County4547.014
Winnebago County4548.210
Cherokee County4434.315
Crawford County4424.425
Emmet County4443.711
Greene County4446.222
Jackson County4420.631
Jefferson County4425.314
O'Brien County4428.120
Poweshiek County4421.729
Bremer County3415.821
Carroll County3419.623
Hardin County3424.331
Osceola County3466.315
Shelby County3433.819
Davis County1–2443.517
Allamakee County3321.224
Dickinson County3316.520
Franklin County3329.914
Henry County3315.535
Monroe County3340.715
Pocahontas County3342.811
Union County3325.116
Washington County3313.330
Calhoun County1–2330.913
Cedar County1–2316.534
Madison County1–2317.530
Wayne County1–2345.312
Clarke County1–21–2—25
Iowa County1–21–2—49
Kossuth County1–21–2—19
Mills County1–21–2—32
Taylor County1–21–2—8
Worth County1–21–2—18
Wright County1–21–2—14
Fremont County1–21–2—31
Ida County1–21–2—15
Appanoose County1–21–2—17
Floyd County1–21–2—29
Humboldt County1–21–2—21
Lucas County1–21–2—12
Monona County1–21–2—29
Montgomery County1–21–2—14
Ringgold County1–21–2—14

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

12am7.6%
1am7.6%
2am5.9%
3am3.1%
4am2.5%
5am1.4%
6am2%
7am2.3%
8am2.2%
9am2.9%
10am3.1%
11am2.7%
12pm2.5%
1pm3.2%
2pm3.8%
3pm5.8%
4pm7.2%
5pm5.2%
6pm4.7%
7pm4.7%
8pm5%
9pm5.2%
10pm3.1%
11pm6.3%

Weekday

Sunday18%
Monday10%
Tuesday9%
Wednesday11%
Thursday13%
Friday17%
Saturday20%

Questions and answers

How many people died in crashes in Iowa in 1979?

655 people in 566 fatal crashes, according to NHTSA's FARS 1979 file.

Which county in Iowa had the most crash deaths in 1979?

Polk County with 43 deaths in 41 fatal crashes. The table on this page lists every county with a fatal crash that year.

How did 1979 compare with 1978 in Iowa?

655 deaths against 638 in 1978 (+3%). Nationally the 1979 total was 51,093.

Provenance

Source: NHTSA Fatality Analysis Reporting System, 1979 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.