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2005

Iowa · year

Iowa in 2005

Deaths 450Fatal crashes 398Per 100,000 15.2US deaths 43,510

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 2005.

In 2005, 450 people died in 398 fatal crashes in Iowa, 15.2 deaths per 100,000 residents against 14.7 nationally.

The death toll rose 16% from 388 in 2004 to 450 in 2005.

Iowa accounted for 1% of the 43,510 crash deaths recorded nationally that year.

20.6% 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; Friday was the most common day.

Compared with 2004 and the nation

MeasureIowa 2005Iowa 2004United States 2005
Deaths45038843,510
Fatal crashes39835439,252
Deaths per 100,000 residents15.213.114.7
Crashes with a drinking driver21%21%35%

Counties in 2005

Every county with a fatal crash in 2005, 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 County25254.8337
Pottawattamie County171920.3118
Woodbury County141715.892
Scott County14169.1164
Black Hawk County131612.1103
Johnson County12148.780
Dallas County111412.160
Linn County11135.6154
Warren County101221.356
Harrison County91175.231
Sioux County101027.437
Clinton County9919.650
Dubuque County999.166
Iowa County9954.849
Cerro Gordo County7921.259
Crawford County8848.825
Mahaska County8836.330
Lee County7824.764
Poweshiek County7843.429
Des Moines County6820.829
Tama County5741.825
Story County476.846
Adair County5680.730
Boone County5622.432
Hardin County5636.431
Muscatine County5614.248
Webster County5616.359
Jasper County5513.145
Allamakee County3535.324
Buena Vista County1–2524.020
Appanoose County4433.017
Carroll County4419.623
Fremont County4461.631
Hamilton County4426.930
Henry County4420.735
Kossuth County4427.819
Sac County4442.021
Wapello County4411.241
Winneshiek County4420.330
Butler County3428.318
Marshall County1–249.955
Benton County3311.658
Buchanan County3314.523
Clay County3318.217
Clayton County3317.732
Fayette County3315.729
Guthrie County3327.811
Keokuk County3330.414
Lucas County3334.312
Mills County3320.432
Pocahontas County3342.811
Audubon County1–2353.913
Humboldt County1–2331.221
Lyon County1–2324.215
Van Buren County1–2341.611
Shelby County1–2325.419
Adams County1–21–2—6
Bremer County1–21–2—21
Cedar County1–21–2—34
Chickasaw County1–21–2—18
Decatur County1–21–2—23
Delaware County1–21–2—22
Dickinson County1–21–2—20
Franklin County1–21–2—14
Grundy County1–21–2—16
Ida County1–21–2—15
Jackson County1–21–2—31
Jefferson County1–21–2—14
Jones County1–21–2—33
Marion County1–21–2—37
Monroe County1–21–2—15
Montgomery County1–21–2—14
Page County1–21–2—16
Palo Alto County1–21–2—11
Plymouth County1–21–2—43
Washington County1–21–2—30
Winnebago County1–21–2—10
Howard County1–21–2—8
Calhoun County1–21–2—13
Cherokee County1–21–2—15
Clarke County1–21–2—25
Davis County1–21–2—17
Greene County1–21–2—22
Hancock County1–21–2—13
Louisa County1–21–2—20
Madison County1–21–2—30
Monona County1–21–2—29
O'Brien County1–21–2—20
Osceola County1–21–2—15
Taylor County1–21–2—8
Worth County1–21–2—18
Wright 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

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

Weekday

Sunday13%
Monday14%
Tuesday15%
Wednesday9%
Thursday13%
Friday18%
Saturday18%

Questions and answers

How many people died in crashes in Iowa in 2005?

450 people in 398 fatal crashes, according to NHTSA's FARS 2005 file, or 15.2 per 100,000 residents.

Which county in Iowa had the most crash deaths in 2005?

Polk County with 25 deaths in 25 fatal crashes. The table on this page lists every county with a fatal crash that year.

How did 2005 compare with 2004 in Iowa?

450 deaths against 388 in 2004 (+16%). Nationally the 2005 total was 43,510.

Provenance

Source: NHTSA Fatality Analysis Reporting System, 2005 national file (accident table); US Census Bureau population estimates. Data through 31 Dec 2024; generated 30 Sep 2026.