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1998

Iowa · year

Iowa in 1998

Deaths 449Fatal crashes 386Per 100,000 —US deaths 41,501

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 1998.

In 1998, 449 people died in 386 fatal crashes in Iowa.

The death toll was about level between 1997 (468) and 1998 (449).

Iowa accounted for 1.1% of the 41,501 crash deaths recorded nationally that year.

26.2% of the state's fatal crashes that year had at least one driver reported as drinking.

35% of the crashes happened between noon to 6pm; Tuesday was the most common day.

Compared with 1997 and the nation

MeasureIowa 1998Iowa 1997United States 1998
Deaths44946841,501
Fatal crashes38641137,107
Deaths per 100,000 residents———
Crashes with a drinking driver26%27%30%

Counties in 1998

Every county with a fatal crash in 1998, by deaths. Counts under three are shown as "1–2" (small-count rule); the per-100,000 column is blank for them. 90 counties listed.

CountyFatal crashesDeathsPer 100,000Deaths 2015–2024
Polk County35417.9337
Scott County14169.1164
Linn County13146.0154
Cerro Gordo County111330.659
Pottawattamie County121212.8118
Black Hawk County10129.1103
Woodbury County10109.392
Dallas County7108.760
Keokuk County610101.514
Story County6109.846
Webster County8924.459
Sioux County7924.637
Marshall County7819.855
Plymouth County7831.043
Warren County6814.256
Bremer County5831.621
Dubuque County777.166
Marion County6720.637
Tama County5741.825
Des Moines County6615.629
Hardin County6636.431
Lee County6618.564
Muscatine County6614.248
Allamakee County5642.324
Clinton County5613.050
Jones County5628.433
Benton County4623.358
Clayton County5529.532
Jasper County5513.145
Mahaska County5522.730
Iowa County4530.449
Kossuth County4534.719
Montgomery County4549.714
Poweshiek County3527.129
Delaware County4422.722
Franklin County4439.914
Harrison County4427.331
Sac County4442.021
Wapello County4411.241
Boone County3415.032
Butler County3428.318
Decatur County3452.223
Johnson County342.580
Mitchell County3437.614
Wayne County3460.412
Adair County1–2453.830
Washington County1–2417.730
Appanoose County3324.817
Buena Vista County3314.420
Calhoun County3330.913
Grundy County3324.216
Howard County3332.18
Jefferson County3319.014
Lucas County3334.312
Palo Alto County3334.111
Shelby County3325.419
Taylor County3351.58
Union County3325.116
Cass County1–2323.040
Cherokee County1–2325.715
Hamilton County1–2320.230
Jackson County1–2315.531
O'Brien County1–2321.020
Buchanan County1–21–2—23
Carroll County1–21–2—23
Cedar County1–21–2—34
Clarke County1–21–2—25
Clay County1–21–2—17
Crawford County1–21–2—25
Davis County1–21–2—17
Dickinson County1–21–2—20
Emmet County1–21–2—11
Fayette County1–21–2—29
Floyd County1–21–2—29
Fremont County1–21–2—31
Henry County1–21–2—35
Madison County1–21–2—30
Mills County1–21–2—32
Monona County1–21–2—29
Page County1–21–2—16
Winnebago County1–21–2—10
Wright County1–21–2—14
Guthrie County1–21–2—11
Adams County1–21–2—6
Greene County1–21–2—22
Humboldt County1–21–2—21
Ida County1–21–2—15
Lyon County1–21–2—15
Osceola County1–21–2—15
Winneshiek County1–21–2—30

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

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

Weekday

Sunday11%
Monday10%
Tuesday17%
Wednesday12%
Thursday17%
Friday17%
Saturday15%

Questions and answers

How many people died in crashes in Iowa in 1998?

449 people in 386 fatal crashes, according to NHTSA's FARS 1998 file.

Which county in Iowa had the most crash deaths in 1998?

Polk County with 41 deaths in 35 fatal crashes. The table on this page lists every county with a fatal crash that year.

How did 1998 compare with 1997 in Iowa?

449 deaths against 468 in 1997 (+-4%). Nationally the 1998 total was 41,501.

Provenance

Source: NHTSA Fatality Analysis Reporting System, 1998 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.