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Sully
South Dakota

Population

$67K

Median Income

$284K

Median Home

R+58

Politics

Economy

Median Household Income$67K

This county

national avg ~$75K

Poverty Rate7.6%

This county

national avg ~11.5%

Unemployment Rate1.6%

This county

national avg ~3.8%

GDP per Capita$114,943

Federal Spending per Capita$10,217

Median Individual Earnings$45K

This county

national avg $45K

Professional/Management Workers48.4%

Average Adjusted Gross Income$94K

Avg Credit Score739

Work From Home %13.5%

This county

national avg 17.0%

Population Under 1817.1%

This county

national avg 22.0%

Single-Person Households36.4%

This county

national avg 28.0%

Income (20th Percentile)$30K

Income (80th Percentile)$132K

Income (95th Percentile)$226K

Bachelor's Degree or Higher28.5%

This county

national avg 35.0%

Less Than High School3.8%

This county

national avg 11.0%

Knowledge Economy GDP %3.9%

Dependency Ratio0.91

Medicare Spending / Person$2,577

SS Benefits / Person$4,738

Education Wage Premium1.24x

Median Earnings (Bachelor's)$46K

Median Earnings (Graduate)$56K

Median Earnings (HS Diploma)$45K

Public Assistance Recipients2.7%

Average Annual Wage$56K

Housing

Median Home Value$283K

This county

$310K state avg

$303K national

Market Rent (ZORI)$935/mo

This county

$1150/mo state avg

$1400/mo national

Property Tax Rate0.82%

This county

1.08% state avg

1.10% national

Annual tax on median home: $1,575

Affordability & Supply

HUD Fair Market Rent (2BR)$948/mo

Home Value to Income Ratio2.0x income

Severely Cost-Burdened Households6.2%

Homeownership Rate80.5%

This county

national avg ~65%

Days on Market (Redfin)— Slow — buyers have leverage

153 days

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

2.0 mo

Sold Above List (Redfin)

0.0%

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

98.0%

Source: Redfin · Updated monthly

Health

Food Insecurity6.2%

This county

national avg ~11%

Food Environment Index7.3 / 10

This county

higher = better access

Primary Care Shortage Score15

This county

national avg 5

Mental Health Shortage Score19

Dental Care Shortage Score0

Healthcare Shortage Score11.3

Obesity Rate (BRFSS)35.0%

This county

national avg 32.0%

Smoking Rate (BRFSS)14.5%

This county

national avg 14.0%

Poor Health Rate (BRFSS)14.4%

This county

national avg 18.0%

Physical Inactivity (BRFSS)21.2%

This county

national avg 24.0%

High Blood Pressure (BRFSS)28.9%

This county

national avg 32.0%

Active Physicians0

ER Visits per 1,000 Medicare Patients420 / 1,000

Medicare Cost per Beneficiary$11,004

Uninsured (under 65)8.4%

This county

national avg ~10%

Adults with Depression20.8%

Education

HS Diploma Holders369

Bachelor's Degree Holders157

HS Completion Rate96.2%

This county

national avg ~85%

Safety

Violent Crime Rate2.7 / 1,000

This county

national avg ~4.0

Social Vulnerability (CDC SVI)3th pct

Drug Overdose Deaths (2024)0.0 / 100K

Climate & Air Quality

Natural Amenity Scale0.2

January Sunshine0.14

January Temperature-1.61

Average Temp47°F

Avg High Temp59°F

Avg Low Temp34°F

Annual Precipitation20.2 in/yr

Avg Storm Events5.6 storms/yr

Avg Annual Storm Damage$36K

Drought Index (2022)0.17

Heating Degree Days7,377 HDD/yr

This county

national avg ~4,500 HDD/yr

Cooling Degree Days754 CDD/yr

This county

national avg ~1,200 CDD/yr

Heating Degree Days (1901–2000 Baseline)8,215 HDD/yr

Cooling Degree Days (1901–2000 Baseline)746 CDD/yr

Avg Tornadoes / Year0.6

Avg Flood Events / Year0.8

Avg Hail Events / Year2.2

Avg Hurricane Events / Year0.00

Avg Wildfire Events / Year0.0

Avg Winter Storms / Year0.0

Avg Heat Events / Year0.0

Natural Hazard Risk (FEMA)14 / 100

Community Resilience (FEMA)77 / 100

Federal Disaster Declarations16 since 1953

Fine Particulate Pollution (PM2.5)4.7 µg/m³

This county

EPA standard 9 µg/m³

Outdoor & Recreation

Historic Places (NRHP)4 properties

FAA-Registered Airports1 total

Airports (excl. heliports)1 airports

Internet & Remote Work

Fixed Internet (Q1 2026)133 Mbps

Mobile Internet (Q1 2026)389 Mbps

Mobile Upload (Q1 2026)7 Mbps

Mobile Latency (Q1 2026)27 ms

Households with 100Mbps+100.0%

This county

national avg 75.0%

Cellular-Only Internet13.0%

This county

national avg 8.0%

Fixed Upload Speed (Q1 2026)34 Mbps

Commute & Transit

Remote Workers105 workers

Public Transit Commuters0 workers

Walk to Work24 workers

Extreme Commutes (90+ min)12 workers

Walk to Work3.1%

Families & Childcare

Childcare Cost Burden16.7%

This county

national median ~27% of household income

Civic & Community

Voter Turnout89.9%

This county

national avg ~55%

Volunteering Rate0.1%

Income Inequality (Gini)4.422

Nonprofit Organizations14

Veterans Share5.7%

This county

national avg 7.0%

Married Adults59.7%

Never-Married Adults23.5%

Divorced Adults10.2%

Religious Organizations3

Membership Associations27.1 per 10K residents

Lifestyle & Services

Full-Service Restaurants2.16 per 1K residents

Hotels & Lodging4

Debt Burden

Avg Mortgage Balance$121K

Avg Student Loan Balance$14K

Avg Credit Card Balance$5K

Loan Delinquency Rate19.6%

This county

national avg 4.0%

Innovation

Inventor Rate0.38%

Politics

R+58

2024 Presidential · South Dakota was R+27 statewide

vs South Dakota State

Income tax

NoneSame (state law)

Property tax

0.82%1.08% state avg

Politics

R+58R+27

COL Index

County data95 (state)

Population & Migration

Net Domestic Migration 2023

↑ +6

More people arriving than leaving

IRS Wealth Migration

Lower-income migration pattern (IRS: 0.77x avg income)

Economic Mobility

62%

chance a low-income child reaches the middle class

Source: Opportunity Insights

Real Estate

Find Homes in Sully County

Median home value: $284K

View on Zillow →View on Realtor.com →

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Local News — Sully

Forth.News · 4 days ago

Severe Thunderstorm Warning Issued for South Dakota Counties Amid Destructive Storm

The National Weather Service in Aberdeen, South Dakota, issued a severe thunderstorm warning for nor…

Mason Funeral Home & Cremation Services · Apr 20, 2026

Obituary | Clayton Joseph Sully of Mission, South Dakota

Clayton J. Sully Sr., age 83, passed away peacefully at home in Hidden Timber on April 20, 2026. Cla…

News From The States · Jan 30, 2026

Sully County, home to SD’s largest data center, would welcome more with ‘open arms,’ official says

The facility is located about 23 miles north of Pierre and is owned by Big Watt Digital, which is ba…

KBHB Radio · 1 month ago

Sully County Ag Communications Major Credits Who She Is to Where She’s From

HURON, S.D. - South Dakota Farmers Union (SDFU) Digital Media Intern, Lydia Hill said she credits wh…

Sports Illustrated · 2 weeks ago

Sully Buttes vs Lemmon Football - Oct 16, 2026

View pregame, live and post-game details from the Sully Buttes vs Lemmon South Dakota game on Oct 16…

Legacy | Obituary Search · May 20, 2026

Sandra Lynn Sully Obituary (2026) - Wagner, SD - Peters Funeral Homes - Wagner

Sandra Sully Obituary. Visit the Peters Funeral Homes - Wagner website to view the full obituary. ..…

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

SullySouth Dakota

Sully
South Dakota