Platte is a city in Charles Mix County, South Dakota, United States. The population was 1,311 at the 2022 census. The community is named after the Platte Creek, a tributary of the Missouri River reservoir Lake Francis Case. Platte is located 15 miles east of Lake Francis Case on the Missouri River.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP code57369

Area code605

Living in Platte

Safety in Platte

—

Not graded

A grade needs all of the FBI's latest years (2023–2025). Platte's police department reported only 2025, so we don't grade it yet. The figures below are still real.

Violent crime per 1,000

Platte 0

South Dakota 3.3

U.S. 3.3

Property crime per 1,000

Platte 2.4

South Dakota 14.3

U.S. 15.5

FBI crime data, 2025 · crimes reported to policeCrime & safety →

Work & commute in Platte

Full picture →

About one in 3 of Platte’s working residents works in town. The top destinations are Platte (12%), Sioux Falls (5%) and Forbes (3%). Half commute less than 5 miles.

Platte

12%

Sioux Falls

Forbes

Mitchell

37%Work in townlive and work in Platte 5 miWhere do people commute?the commute map 696Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Platte →

Health in Platte

Health Grade B

Healthier than 63% of U.S. towns on seven CDC estimates.

Compared with South Dakota

1better than SD·4worse

of 26 measures CDC estimates. The other 21 are too close to call.

Conditions 4▼ 8 close Habits all close Care 1▲ 6 close Mind all close

BetterToo close to callWorse

What stands out

80.3%More adults treating high blood pressureSD 75.9% · better 12%More adults who have had cancerSD 9.2% · worse

Care nearby

Platte Health CenterPlatte · 0.4 mi · ER · rural critical access

Horizon Health - Plankinton Medical and DentalPlankinton · 28.8 mi · sliding-scale fees

Primary careShortage · county-wide

DentalShortage · county-wide

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Platte · CMS · HRSAHealth in Platte →

Natural hazards in Platte

Moderate

Expected storm and flood damage is higher than in 51% of U.S. communities.

🌊 Inland flooding🥶 Cold waves🌪️ Tornadoes

2Does Platte flood?paid flood claims since 2016 3Disasters that paid out herefederal disasters sent FEMA money to Platte

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Platte →

Climate in Platte

Full climate →

Platte has cold, snowy winters and warm summers. A typical July afternoon reaches 88°, a January night drops to 10°, and about 46 inches of snow falls in a normal winter.

33° / 13°Winter

59° / 35°Spring

85° / 60°Summer

62° / 37°Fall

How much snow does Platte get?About 46 inches a winter.Rain & snow →When is the first frost?Around Oct 8, with the last in spring around Apr 30.Frost dates →Is it warmer than it used to be?+1.2° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Platte →

Schools in Platte

All Platte schools →

School Grade A

The public schools Platte’s kids attend outperform 90% of South Dakota’s districts on state tests. Among towns with similar incomes, they rank near the top.

DistrictPlatte - Geddes School District 11-5Schools3

Platte - Geddes Elementary - 02 A+Elementary · Grades K–5 · 230 students Platte - Geddes Jr. High - 03 BMiddle · Grades 6–8 · 94 students Platte - Geddes High School - 01 CHigh · Grades 9–12 · 132 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results, graded within SD. Ratings are from neighbors.