---
type: Jurisdiction
title: "Lyman County, SD"
classification: county
fips: "46085"
state: "SD"
demographics:
  population: 3724
  population_under_18: 1110
  population_18_64: 1062
  population_65_plus: 1552
  median_household_income: 67143
  poverty_rate: 23.65
  homeownership_rate: 69.95
  unemployment_rate: 4.01
  median_home_value: 165800
  gini_index: 0.5054
  vacancy_rate: 23.5
  race_white: 2156
  race_black: 1
  race_asian: 1
  race_native: 1467
  hispanic: 44
  bachelors_plus: 698
districts:
  - to: "us/states/sd/districts/00"
    rel: in-district
    area_weight: 1.0
  - to: "us/states/sd/districts/senate/26"
    rel: in-district
    area_weight: 0.9999
  - to: "us/states/sd/districts/house/26b"
    rel: in-district
    area_weight: 0.9998
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"
---

# Lyman County, SD

County jurisdiction.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 3724 |
| Under 18 | 1110 |
| 18–64 | 1062 |
| 65+ | 1552 |
| Median household income | 67143 |
| Poverty rate | 23.65 |
| Homeownership rate | 69.95 |
| Unemployment rate | 4.01 |
| Median home value | 165800 |
| Gini index | 0.5054 |
| Vacancy rate | 23.5 |
| White | 2156 |
| Black | 1 |
| Asian | 1 |
| Native | 1467 |
| Hispanic/Latino | 44 |
| Bachelor's or higher | 698 |

## Districts

- [SD-00](/us/states/sd/districts/00.md) — 100% (congressional)
- [SD Senate District 26](/us/states/sd/districts/senate/26.md) — 100% (state senate)
- [SD House District 26B](/us/states/sd/districts/house/26b.md) — 100% (state house)

## Source

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