Fatal Roads

States › South Dakota › 1985

1985

South Dakota · year

South Dakota in 1985

Deaths 130Fatal crashes 109Per 100,000 —US deaths 43,825

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 1985.

In 1985, 130 people died in 109 fatal crashes in South Dakota.

The death toll fell 9% from 143 in 1984 to 130 in 1985.

South Dakota accounted for 0.3% of the 43,825 crash deaths recorded nationally that year.

50.5% of the state's fatal crashes that year had at least one driver reported as drinking.

32% of the crashes happened between noon to 6pm; Saturday was the most common day.

Compared with 1984 and the nation

MeasureSouth Dakota 1985South Dakota 1984United States 1985
Deaths13014343,825
Fatal crashes10913239,196
Deaths per 100,000 residents———
Crashes with a drinking driver50%49%40%

Counties in 1985

Every county with a fatal crash in 1985, by deaths. Counts under three are shown as "1–2" (small-count rule); the per-100,000 column is blank for them. 42 counties listed.

CountyFatal crashesDeathsPer 100,000Deaths 2015–2024
Minnehaha County13209.6149
Pennington County111210.3141
Brown County7821.326
Oglala Lakota County6859.975
Lincoln County456.656
Beadle County4420.622
Brookings County4411.024
Meade County4412.943
Todd County4443.64
Lawrence County3413.980
Corson County1–24106.814
Jackson County1–24146.130
Brule County3357.06
Charles Mix County3332.127
Custer County3332.231
Hutchinson County3340.525
Tripp County3352.513
Butte County1–2327.518
Yankton County1–2312.838
Gregory County1–21–2—8
Hanson County1–21–2—20
Spink County1–21–2—8
Hamlin County1–21–2—8
Miner County1–21–2—6
Campbell County1–21–2—4
Clark County1–21–2—5
Davison County1–21–2—13
Douglas County1–21–2—4
Edmunds County1–21–2—12
Fall River County1–21–2—25
Faulk County1–21–2—6
Grant County1–21–2—18
Harding County1–21–2—10
Hughes County1–21–2—11
Lake County1–21–2—10
Lyman County1–21–2—21
McCook County1–21–2—16
Mellette County1–21–2—4
Moody County1–21–2—14
Turner County1–21–2—19
Union County1–21–2—18
Ziebach County1–21–2—2

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

12am3.8%
1am1.9%
2am8.7%
3am1%
4am2.9%
5am1%
6am1.9%
7am1.9%
8am2.9%
9am2.9%
10am4.8%
11am3.8%
12pm5.8%
1pm3.8%
2pm7.7%
3pm1%
4pm7.7%
5pm5.8%
6pm4.8%
7pm8.7%
8pm5.8%
9pm5.8%
10pm3.8%
11pm1.9%

Weekday

Sunday21%
Monday13%
Tuesday8%
Wednesday12%
Thursday12%
Friday11%
Saturday23%

Questions and answers

How many people died in crashes in South Dakota in 1985?

130 people in 109 fatal crashes, according to NHTSA's FARS 1985 file.

Which county in South Dakota had the most crash deaths in 1985?

Minnehaha County with 20 deaths in 13 fatal crashes. The table on this page lists every county with a fatal crash that year.

How did 1985 compare with 1984 in South Dakota?

130 deaths against 143 in 1984 (+-9%). Nationally the 1985 total was 43,825.

Provenance

Source: NHTSA Fatality Analysis Reporting System, 1985 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.