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2009

Iowa · year

Iowa in 2009

Deaths 371Fatal crashes 338Per 100,000 12.2US deaths 33,883

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 2009.

In 2009, 371 people died in 338 fatal crashes in Iowa, 12.2 deaths per 100,000 residents against 11.0 nationally.

The death toll fell 10% from 412 in 2008 to 371 in 2009.

Iowa accounted for 1.1% of the 33,883 crash deaths recorded nationally that year.

26.3% of the state's fatal crashes that year had at least one driver reported as drinking.

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

Compared with 2008 and the nation

MeasureIowa 2009Iowa 2008United States 2009
Deaths37141233,883
Fatal crashes33836830,862
Deaths per 100,000 residents12.213.711.0
Crashes with a drinking driver26%19%33%

Counties in 2009

Every county with a fatal crash in 2009, by deaths. Counts under three are shown as "1–2" (small-count rule); the per-100,000 column is blank for them. 89 counties listed.

CountyFatal crashesDeathsPer 100,000Deaths 2015–2024
Polk County22234.5337
Linn County14156.5154
Scott County12137.4164
Pottawattamie County121212.8118
Johnson County11116.980
Woodbury County101110.392
Story County8109.846
Clinton County9919.650
Allamakee County8963.524
Jefferson County7957.014
Dubuque County677.166
Sioux County6719.137
Benton County5727.158
Adair County6680.730
Cerro Gordo County6614.159
Hardin County6636.431
Delaware County5634.122
Jackson County5630.931
Jasper County5615.745
Crawford County4636.625
Black Hawk County553.8103
Lee County5515.464
Plymouth County5519.443
Warren County558.956
Webster County5513.559
Greene County4557.722
Hancock County4547.113
Marshall County4512.455
Washington County3522.130
Boone County4415.032
Buena Vista County4419.220
Clayton County4423.632
Dallas County443.560
Des Moines County4410.429
Fremont County4461.631
Mills County4427.232
Tama County4423.925
Monona County3447.529
Appanoose County3324.817
Calhoun County3330.913
Carroll County3314.723
Jones County3314.233
Mahaska County3313.630
Marion County338.837
Poweshiek County3316.329
Sac County3331.521
Van Buren County3341.611
Winneshiek County3315.230
Chickasaw County1–2325.618
Louisa County1–2328.220
Page County1–2319.916
Ringgold County1–2365.114
Butler County1–2321.218
Hamilton County1–2320.230
Adams County1–21–2—6
Buchanan County1–21–2—23
Cass County1–21–2—40
Cherokee County1–21–2—15
Clay County1–21–2—17
Davis County1–21–2—17
Fayette County1–21–2—29
Franklin County1–21–2—14
Guthrie County1–21–2—11
Harrison County1–21–2—31
Humboldt County1–21–2—21
Kossuth County1–21–2—19
Lucas County1–21–2—12
Monroe County1–21–2—15
Muscatine County1–21–2—48
O'Brien County1–21–2—20
Osceola County1–21–2—15
Shelby County1–21–2—19
Taylor County1–21–2—8
Winnebago County1–21–2—10
Worth County1–21–2—18
Henry County1–21–2—35
Bremer County1–21–2—21
Cedar County1–21–2—34
Clarke County1–21–2—25
Decatur County1–21–2—23
Emmet County1–21–2—11
Floyd County1–21–2—29
Grundy County1–21–2—16
Iowa County1–21–2—49
Lyon County1–21–2—15
Madison County1–21–2—30
Montgomery County1–21–2—14
Union County1–21–2—16
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

12am2.7%
1am5.7%
2am5.4%
3am2.1%
4am1.8%
5am1.2%
6am4.2%
7am3.6%
8am2.7%
9am3%
10am3.6%
11am4.8%
12pm2.7%
1pm3.3%
2pm5.4%
3pm5.1%
4pm5.7%
5pm8.9%
6pm5.1%
7pm5.7%
8pm3.6%
9pm4.2%
10pm5.1%
11pm5.1%

Weekday

Sunday19%
Monday14%
Tuesday12%
Wednesday12%
Thursday14%
Friday11%
Saturday17%

Questions and answers

How many people died in crashes in Iowa in 2009?

371 people in 338 fatal crashes, according to NHTSA's FARS 2009 file, or 12.2 per 100,000 residents.

Which county in Iowa had the most crash deaths in 2009?

Polk County with 23 deaths in 22 fatal crashes. The table on this page lists every county with a fatal crash that year.

How did 2009 compare with 2008 in Iowa?

371 deaths against 412 in 2008 (+-10%). Nationally the 2009 total was 33,883.

Provenance

Source: NHTSA Fatality Analysis Reporting System, 2009 national file (accident table); US Census Bureau population estimates. Data through 31 Dec 2024; generated 30 Sep 2026.