- Accountant
- American restaurants
- Antique store
- Attorney
- Auto body shop
- Auto parts store
- Auto repair shop
- Bakery
- Bar
- Barber shop
- Beauty salon
- Bookkeeping service
- Boutique
- Campground
- Cancer treatment center
- Car dealer
- Cleaning service
- Clothing store
- Coffee shop
- Convenience store
- Counselor
- Day care center
- Dentist
- Dry wall contractor
- Electrical supply store
- Electrician
- Elementary school
- Event venue
- Family counselor
- Family practice physician
- Fast food restaurants
- Financial consultant
- Financial planner
- Flooring store
- Garden center
- General contractor
- Gym
- Hair salon
- Heating contractor
- Home health care service
- Hotel
- HVAC contractor
- Insurance agency
- Internet marketing service
- Internet service provider
- Internist
- Laundromat
- Law firm
- Liquor store
- Marketing agency
- Massage therapist
- Medical clinic
- Medical spa
- Mental health service
- Museum
- Nail salon
- Nurse practitioner
- Nursing agency
- Oral surgeon
- Orthodontist
- Painting
- Park
- Pet store
- Pharmacy
- Photographer
- Physical therapist
- Physical therapy clinic
- Pizza restaurants
- Plumber
- Portrait studio
- Psychiatrist
- Psychologist
- Real estate agency
- Real estate agent
- Real estate appraiser
- Restaurant
- Sandwich shop
- Self-storage facility
- Shoe store
- Shopping mall
- Sign shop
- Social worker
- Sporting goods store
- Surgical center
- Tattoo shop
- Tax preparation
- Tax preparation service
- Thrift store
- Tire shop
- Tourist attraction
- Tourist information center
- Truck rental agency
- Truck stop
- Wedding venue
- Women's clothing store
- Yoga studio
Yankton is a city in and the county seat of Yankton County, South Dakota, United States. The population was 15411 at the 2020 census, making it the 7th most populous city in South Dakota, and it is the principal city of the Yankton Micropolitan Statistical Area, which includes the entirety of Yankton County and which had an estimated population of 23297 as of July 1, 2021. As the first capital of Dakota Territory, it was named after the Yankton tribe of Western Dakota people; Yankton is derived from the Dakota word I-hank-ton-wan (“the end village”).
Yankton is located on the Missouri River just downstream of the Gavins Point Dam and Lewis and Clark Lake, and just upstream of the confluence with the James River. The United States National Park Service’s headquarters for the Missouri National Recreational River are located in the city. The Human Services Center was established as a psychiatric hospital in 1882 and is on the National Register of Historic Places.