Fatal Roads

States › South Dakota › 1984

1984

South Dakota · year

South Dakota in 1984

Deaths 143Fatal crashes 132Per 100,000 —US deaths 44,257

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 1984.

In 1984, 143 people died in 132 fatal crashes in South Dakota.

The death toll fell 18% from 175 in 1983 to 143 in 1984.

South Dakota accounted for 0.3% of the 44,257 crash deaths recorded nationally that year.

49.2% of the state's fatal crashes that year had at least one driver reported as drinking.

34% of the crashes happened between 6pm to midnight; Friday was the most common day.

← 198319841985 →All years

Compared with 1983 and the nation

MeasureSouth Dakota 1984South Dakota 1983United States 1984
Deaths14317544,257
Fatal crashes13214739,631
Deaths per 100,000 residents———
Crashes with a drinking driver49%46%41%

Counties in 1984

Every county with a fatal crash in 1984, by deaths. Counts under three are shown as "1–2" (small-count rule); the per-100,000 column is blank for them. 48 counties listed.

CountyFatal crashesDeathsPer 100,000Deaths 2015–2024
Minnehaha County15167.7149
Pennington County141512.9141
Oglala Lakota County6859.975
Charles Mix County6774.927
Todd County6665.44
Butte County5655.118
Brookings County5513.824
Brown County5513.326
Yankton County4521.338
Moody County4461.314
Codington County3413.731
Lyman County34107.521
Meade County339.743
Turner County3333.019
Beadle County1–2315.422
Clark County1–2375.55
Bennett County1–21–2—10
Bon Homme County1–21–2—16
Campbell County1–21–2—4
Dewey County1–21–2—9
Grant County1–21–2—18
Gregory County1–21–2—8
Hand County1–21–2—5
Hanson County1–21–2—20
Hutchinson County1–21–2—25
Lawrence County1–21–2—80
Marshall County1–21–2—8
Mellette County1–21–2—4
Roberts County1–21–2—30
Spink County1–21–2—8
Corson County1–21–2—14
Davison County1–21–2—13
Day County1–21–2—6
Deuel County1–21–2—8
Edmunds County1–21–2—12
Fall River County1–21–2—25
Faulk County1–21–2—6
Hamlin County1–21–2—8
Hughes County1–21–2—11
Jackson County1–21–2—30
Jones County1–21–2—13
Kingsbury County1–21–2—9
Potter County1–21–2—4
Sanborn County1–21–2—8
Stanley County1–21–2—5
Tripp County1–21–2—13
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

12am5.5%
1am4.7%
2am2.4%
3am4.7%
4am1.6%
5am0.8%
6am0.8%
7am3.1%
8am3.9%
9am0%
10am5.5%
11am3.1%
12pm3.1%
1pm4.7%
2pm6.3%
3pm5.5%
4pm4.7%
5pm5.5%
6pm8.7%
7pm3.1%
8pm5.5%
9pm6.3%
10pm6.3%
11pm3.9%

Weekday

Sunday14%
Monday9%
Tuesday10%
Wednesday19%
Thursday11%
Friday20%
Saturday17%

Questions and answers

How many people died in crashes in South Dakota in 1984?

143 people in 132 fatal crashes, according to NHTSA's FARS 1984 file.

Which county in South Dakota had the most crash deaths in 1984?

Minnehaha County with 16 deaths in 15 fatal crashes. The table on this page lists every county with a fatal crash that year.

How did 1984 compare with 1983 in South Dakota?

143 deaths against 175 in 1983 (+-18%). Nationally the 1984 total was 44,257.

Provenance

Source: NHTSA Fatality Analysis Reporting System, 1984 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.