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1987

Iowa · year

Iowa in 1987

Deaths 491Fatal crashes 443Per 100,000 —US deaths 46,390

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 1987.

In 1987, 491 people died in 443 fatal crashes in Iowa.

The death toll rose 11% from 441 in 1986 to 491 in 1987.

Iowa accounted for 1.1% of the 46,390 crash deaths recorded nationally that year.

45.8% of the state's fatal crashes that year had at least one driver reported as drinking.

31% of the crashes happened between 6pm to midnight; Saturday was the most common day.

Compared with 1986 and the nation

MeasureIowa 1987Iowa 1986United States 1987
Deaths49144146,390
Fatal crashes44338841,438
Deaths per 100,000 residents———
Crashes with a drinking driver46%44%42%

Counties in 1987

Every county with a fatal crash in 1987, by deaths. Counts under three are shown as "1–2" (small-count rule); the per-100,000 column is blank for them. 92 counties listed.

CountyFatal crashesDeathsPer 100,000Deaths 2015–2024
Polk County37387.4337
Pottawattamie County232728.9118
Scott County202011.4164
Linn County15177.3154
Woodbury County131614.992
Jackson County111577.431
Story County131413.746
Black Hawk County12139.8103
Dubuque County91010.166
Plymouth County91038.743
Clinton County9919.650
Cerro Gordo County8921.259
Lee County8927.864
Dallas County886.960
Hardin County7848.631
Harrison County5854.731
Butler County7749.418
Webster County7719.059
Cedar County5738.434
Marshall County5717.355
Mahaska County4731.830
Des Moines County6615.629
Muscatine County6614.248
Fremont County5692.431
Jasper County5615.745
Keokuk County5660.914
Kossuth County5641.619
Poweshiek County5632.529
Boone County5518.732
Emmet County5554.611
Johnson County553.180
Sioux County5513.737
Fayette County4526.129
Taylor County4585.88
Floyd County3533.329
Ida County3573.415
Allamakee County4428.224
Appanoose County4433.017
Benton County4415.558
Cherokee County4434.315
Crawford County4424.425
Hamilton County4426.930
Hancock County4437.713
Iowa County4424.449
Jefferson County4425.314
Monona County4447.529
Sac County4442.021
Tama County4423.925
Clayton County3423.632
Winneshiek County3420.330
Buena Vista County3314.420
Cass County3323.040
Clarke County3331.525
Clay County3318.217
Greene County3334.622
Howard County3332.18
Jones County3314.233
Louisa County3328.220
Lucas County3334.312
Lyon County3324.215
Mills County3320.432
Washington County3313.330
Wayne County3345.312
Winnebago County3328.910
Delaware County1–2317.022
Dickinson County1–2316.520
Buchanan County1–21–2—23
Chickasaw County1–21–2—18
Davis County1–21–2—17
Franklin County1–21–2—14
Guthrie County1–21–2—11
Humboldt County1–21–2—21
Marion County1–21–2—37
Pocahontas County1–21–2—11
Union County1–21–2—16
Warren County1–21–2—56
Wright County1–21–2—14
Adams County1–21–2—6
Carroll County1–21–2—23
Audubon County1–21–2—13
Bremer County1–21–2—21
Calhoun County1–21–2—13
Decatur County1–21–2—23
Grundy County1–21–2—16
Henry County1–21–2—35
Madison County1–21–2—30
Mitchell County1–21–2—14
Monroe County1–21–2—15
Montgomery County1–21–2—14
O'Brien County1–21–2—20
Van Buren County1–21–2—11
Wapello County1–21–2—41

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

12am5.1%
1am7.6%
2am5.1%
3am2.1%
4am2.5%
5am3.2%
6am2.1%
7am2.8%
8am3.2%
9am4.2%
10am3.2%
11am1.4%
12pm2.8%
1pm3.9%
2pm2.8%
3pm6.5%
4pm4.2%
5pm6.5%
6pm6.5%
7pm5.8%
8pm3.5%
9pm5.1%
10pm5.1%
11pm5.1%

Weekday

Sunday16%
Monday11%
Tuesday11%
Wednesday11%
Thursday13%
Friday18%
Saturday20%

Questions and answers

How many people died in crashes in Iowa in 1987?

491 people in 443 fatal crashes, according to NHTSA's FARS 1987 file.

Which county in Iowa had the most crash deaths in 1987?

Polk County with 38 deaths in 37 fatal crashes. The table on this page lists every county with a fatal crash that year.

How did 1987 compare with 1986 in Iowa?

491 deaths against 441 in 1986 (+11%). Nationally the 1987 total was 46,390.

Provenance

Source: NHTSA Fatality Analysis Reporting System, 1987 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.