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Union
South Dakota

17K

Population

$82K

Median Income

$358K

Median Home

R+36

Politics

Economy

Median Household Income$82K

This county

national avg ~$75K

Poverty Rate6.0%

This county

national avg ~11.5%

Unemployment Rate2.2%

This county

national avg ~3.8%

GDP per Capita$129,045

Federal Spending per Capita$8,828

Median Individual Earnings$48K

This county

national avg $45K

Professional/Management Workers41.9%

Average Adjusted Gross Income$188K

Avg Credit Score709

Work From Home %7.5%

This county

national avg 17.0%

Population Under 1824.3%

This county

national avg 22.0%

Single-Person Households25.0%

This county

national avg 28.0%

Banks & Finance Firms16

Income (20th Percentile)$39K

Income (80th Percentile)$152K

Income (95th Percentile)$250K

Bachelor's Degree or Higher30.5%

This county

national avg 35.0%

Less Than High School5.5%

This county

national avg 11.0%

Knowledge Economy GDP %20.4%

Dependency Ratio1.16

Medicare Spending / Person$2,462

SS Benefits / Person$4,123

Education Wage Premium2.36x

Median Earnings (Bachelor's)$64K

Median Earnings (Graduate)$88K

Median Earnings (HS Diploma)$37K

Public Assistance Recipients1.4%

Average Annual Wage$73K

Professional Services Concentration1.11x national

This county

1.0 = national average share

Housing

Median Home Value$357K

This county

$310K state avg

$303K national

Market Rent (ZORI)$1119/mo

This county

$1150/mo state avg

$1400/mo national

Property Tax Rate1.13%

This county

1.08% state avg

1.10% national

Annual tax on median home: $2,880

Affordability & Supply

HUD Fair Market Rent (2BR)$1,154/mo

Home Price Change (1 yr)+10.0%

Home Value to Income Ratio2.5x income

Severely Cost-Burdened Households7.6%

Homeownership Rate70.0%

This county

national avg ~65%

Market Activity

Listings with Price Cuts— Low — market moving fast

23.5%

Active Listings

New Listings / Month

Source: Zillow Research · Updated monthly

Days on Market (Redfin)— Average pace

24 days

Months of Supply (Redfin)— Low inventory — sellers market

2.7 mo

Sold Above List (Redfin)

10.0%

Sale-to-List Ratio (Redfin)— Buyers market — homes selling below list

97.6%

Source: Redfin · Updated monthly

Health

Life Expectancy80.0 yrs

This county

national avg ~78.5 years

Food Insecurity7.2%

This county

national avg ~11%

Food Environment Index9.3 / 10

This county

higher = better access

Primary Care Shortage Score0

This county

national avg 5

Mental Health Shortage Score18

Dental Care Shortage Score0

Healthcare Shortage Score6.0

Healthcare Offices63

Obesity Rate (BRFSS)31.0%

This county

national avg 32.0%

Smoking Rate (BRFSS)13.0%

This county

national avg 14.0%

Poor Health Rate (BRFSS)13.7%

This county

national avg 18.0%

Physical Inactivity (BRFSS)19.9%

This county

national avg 24.0%

High Blood Pressure (BRFSS)27.2%

This county

national avg 32.0%

Active Physicians100

Nursing Home Rating3.5 / 5

This county

national avg ~3 stars

ER Visits per 1,000 Medicare Patients413 / 1,000

Medicare Cost per Beneficiary$10,737

Uninsured (under 65)7.7%

This county

national avg ~10%

Adults with Depression20.9%

Education

Math Test Scores3.25 grade level

Reading Test Scores3.27 grade level

HS Diploma Holders2,713

Bachelor's Degree Holders1,412

HS Completion Rate94.5%

This county

national avg ~85%

Private Schools6

Safety

Violent Crime Rate2.5 / 1,000

This county

national avg ~4.0

Traffic Fatalities2

Social Vulnerability (CDC SVI)6th pct

Drug Overdose Deaths (2024)0.0 / 100K

Suicide Rate15.7 / 100K

This county

national avg ~14/100K

Climate & Air Quality

Natural Amenity Scale-1.8

January Sunshine0.50

January Temperature-1.13

Average Temp50°F

Avg High Temp61°F

Avg Low Temp38°F

Median AQIAQI 43

Good Air Days71 days/yr

Unhealthy Air Days2 days/yr

Annual Precipitation28.1 in/yr

Avg Storm Events20.8 storms/yr

Avg Annual Storm Damage$765K

Drought Index (2022)-1.49

Heating Degree Days6,581 HDD/yr

This county

national avg ~4,500 HDD/yr

Cooling Degree Days983 CDD/yr

This county

national avg ~1,200 CDD/yr

Heating Degree Days (1901–2000 Baseline)7,394 HDD/yr

Cooling Degree Days (1901–2000 Baseline)854 CDD/yr

Avg Tornadoes / Year0.0

Avg Flood Events / Year11.6

Avg Hail Events / Year2.8

Avg Hurricane Events / Year0.00

Avg Wildfire Events / Year0.0

Avg Winter Storms / Year0.0

Avg Heat Events / Year0.0

Natural Hazard Risk (FEMA)50 / 100

Community Resilience (FEMA)68 / 100

Federal Disaster Declarations19 since 1953

Fine Particulate Pollution (PM2.5)6.1 µg/m³

This county

EPA standard 9 µg/m³

Outdoor & Recreation

Historic Places (NRHP)16 properties

FAA-Registered Airports3 total

Airports (excl. heliports)3 airports

Internet & Remote Work

Download Speed234 Mbps

This county

national avg ~120 Mbps

Upload Speed44 Mbps

Fixed Internet (Q1 2026)361 Mbps

Mobile Internet (Q1 2026)207 Mbps

Mobile Upload (Q1 2026)42 Mbps

Mobile Latency (Q1 2026)48 ms

Households with 100Mbps+87.8%

This county

national avg 75.0%

Cellular-Only Internet12.8%

This county

national avg 8.0%

Fixed Upload Speed (Q1 2026)183 Mbps

EV Infrastructure

EV Charging Stations2 stations

DC Fast Chargers0 chargers

Level 2 EV Chargers3

Commute & Transit

Remote Workers631 workers

Public Transit Commuters0 workers

Walk to Work80 workers

Extreme Commutes (90+ min)61 workers

Avg Commute Time17.4 min

This county

national avg ~27 min

Bike Commuters0.4%

Walk to Work0.9%

Agriculture

Farms118 farms

Farmland69,957 acres

Families & Childcare

Childcare Cost Burden17.9%

This county

national median ~27% of household income

Childcare Centers9.4 per 10K residents

Childcare Facilities5

Civic & Community

Voter Turnout76.2%

This county

national avg ~55%

Volunteering Rate1.0%

Income Inequality (Gini)3.848

Nonprofit Organizations133

Veterans Share8.0%

This county

national avg 7.0%

Married Adults60.5%

Never-Married Adults25.1%

Divorced Adults9.3%

Religious Organizations16

Asian Population1.7%

Native American Population1.2%

Membership Associations12.4 per 10K residents

Lifestyle & Services

Full-Service Restaurants0.56 per 1K residents

Nursing & Care Facilities4

Grocery Stores5

Arts & Entertainment Venues3

Hotels & Lodging13

Recreation Businesses12

Professional Services Firms55

Real Estate Firms28

Debt Burden

Avg Mortgage Balance$94K

Avg Student Loan Balance$12K

Avg Credit Card Balance$5K

Loan Delinquency Rate32.0%

This county

national avg 4.0%

Innovation

Inventor Rate0.20%

Politics

R+36

2024 Presidential · South Dakota was R+27 statewide

vs South Dakota State

Income tax

NoneSame (state law)

Property tax

1.13%1.08% state avg

Politics

R+36R+27

COL Index

County data95 (state)

Population & Migration

Net Domestic Migration 2023

↑ +23

More people arriving than leaving

IRS Wealth Migration

Lower-income migration pattern (IRS: 0.71x avg income)

Economic Mobility

52%

chance a low-income child reaches the middle class

Source: Opportunity Insights

Real Estate

Find Homes in Union County

Median home value: $358K

View on Zillow →View on Realtor.com →

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Local News — Union

Dakota News Now · قبل يومين (2)

Trump to allow foreign beef to be imported with no tariffs attached

South Dakota Farmers Union Vice President Jeff Kippley says personal experience tells him the big fo…

International Brotherhood of Teamsters · قبل شهر واحد

Workers at South Dakota State Penitentiary Join Teamsters

(SIOUX FALLS, S.D.) – Maintenance workers at the South Dakota State Penitentiary have voted overwhel…

League of Women Voters · قبل أسبوع واحد

Pro-Voter Coalition Sues South Dakota Over Confusing Administration of Documentation Law

The League of Women Voters of South Dakota and partners filed a federal lawsuit challenging South Da…

KELOLAND.com · 07‏/07‏/2026

Former Union County Sheriff’s Deputies explain their perspective on termination amid Unfair Labor Practice charge

The two South Dakota Union County Sheriff's Deputies that were forced to resign in late June are now…

South Dakota Searchlight · قبل شهر واحد

Larry Rhoden: Rancher, welder and three-decade politician makes his case to earn SD's trust

South Dakota's governor reflects on his ranching roots and three decades in politics ahead of the Re…

Leader-Courier · 03‏/06‏/2026

Union County delivers decisive margins in GOP primary races

The four‑way Republican primary for governor was the closest major contest locally. Toby Doeden fini…

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Data: Census ACS, BLS, Zillow, USDA Natural Amenities, OpenElections 2024, CMS, NCES. Vintage 2022–2025. News via Google News.

UnionSouth Dakota

Union
South Dakota