---
type: Jurisdiction
title: "Yankton County, SD"
classification: county
fips: "46135"
state: "SD"
demographics:
  population: 23414
  population_under_18: 5529
  population_18_64: 6849
  population_65_plus: 11036
  median_household_income: 72821
  poverty_rate: 11.91
  homeownership_rate: 72.68
  unemployment_rate: 1.38
  median_home_value: 225900
  gini_index: 0.4443
  vacancy_rate: 8.68
  race_white: 20564
  race_black: 385
  race_asian: 75
  race_native: 643
  hispanic: 1370
  bachelors_plus: 7020
districts:
  - to: "us/states/sd/districts/00"
    rel: in-district
    area_weight: 0.9998
  - to: "us/states/sd/districts/senate/18"
    rel: in-district
    area_weight: 0.9997
  - to: "us/states/sd/districts/house/18"
    rel: in-district
    area_weight: 0.9997
sources:
  - field: demographics
    source: "Census ACS 2023"
  - field: districts
    source: "PostGIS area-intersection over Census TIGER 2024 boundaries"
confidence: official
tags: [jurisdiction, county, sd]
timestamp: "2026-07-03"
---

# Yankton County, SD

County jurisdiction — 1 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 23414 |
| Under 18 | 5529 |
| 18–64 | 6849 |
| 65+ | 11036 |
| Median household income | 72821 |
| Poverty rate | 11.91 |
| Homeownership rate | 72.68 |
| Unemployment rate | 1.38 |
| Median home value | 225900 |
| Gini index | 0.4443 |
| Vacancy rate | 8.68 |
| White | 20564 |
| Black | 385 |
| Asian | 75 |
| Native | 643 |
| Hispanic/Latino | 1370 |
| Bachelor's or higher | 7020 |

## Districts

- [SD-00](/us/states/sd/districts/00.md) — 100% (congressional)
- [SD Senate District 18](/us/states/sd/districts/senate/18.md) — 100% (state senate)
- [SD House District 18](/us/states/sd/districts/house/18.md) — 100% (state house)

## Source

- demographics: Census ACS 2023
- districts: PostGIS area-intersection over Census TIGER 2024 boundaries