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South Dakota

Cost of living in Sully County, SD

Estimated monthly cost
$2,566/mo
for a single person, all categories combined

Population 1,481 · Last updated May 21, 2026

Cost breakdown

Single person, by category, per month.

Rent $689 27%
Federal tax $573 22%
Healthcare $480 19%
Groceries $324 13%
Transport $250 10%
Energy $200 8%
Water $50 2%
State tax $0 0%

Rent in Sully County

Fair Market Rents by bedroom count.

Studio
$620
per month
1 bedroom
$689
per month
2 bedroom
$904
per month
3 bedroom
$1,175
per month
4 bedroom
$1,410
per month

Source: HUD FMR FY2025

Income and earnings in Sully County

Annual earnings figures from the Census ACS.

Household income
$70,250
per year
Individual earnings
$45,118
per year
Per capita
$47,550
per year

Source: ACS 2019-2023 5-Year.

Home values in Sully County

Average values reported by homeowners.

Average home value
$198,700
Annual property tax
$1,697

Source: ACS 2019-2023 5-Year

Energy costs in Sully County

Estimated monthly electricity and gas costs.

Electricity
$142
per month · 14.2¢/kWh
Natural gas
$58
per month
Annual total
$2,400
per year

Source: EIA

Healthcare in Sully County

Insurance premiums and coverage rates.

Individual premium
$480
per month
Family premium
$1,350
per month
Uninsured rate
7.9%

Source: ACS + national avg. Marketplace benchmark premiums are second-lowest Silver plan estimates and do not reflect employer plans, subsidies, or out-of-pocket costs. This is not healthcare advice.

Taxes in Sully County

State and local tax rates for South Dakota.

No state income tax
South Dakota does not levy a personal income tax.
State sales tax
4.2%
Combined sales tax
6.1%
incl. average local

Tax rates change. Consult a qualified tax professional for advice on your specific situation. This is not tax advice.

Transportation in Sully County

Commute patterns and estimated costs.

Average commute
16.6 min
Drive alone
67.3%
Public transit
0.0%
Work from home
15.4%

Source: ACS

Monthly cost estimates for Sully County

What it costs to live in Sully County each month.

Single person
$2,566
per month
  • Rent $689
  • Energy $200
  • Water $50
  • Groceries $324
  • Transport $250
  • Healthcare $480
  • Federal tax $573
  • State tax $0
Couple
$3,775
per month
  • Rent $904
  • Energy $240
  • Water $60
  • Groceries $537
  • Transport $350
  • Healthcare $864
  • Federal tax $820
  • State tax $0
Family
$6,180
per month
  • Rent $1,175
  • Energy $300
  • Water $70
  • Groceries $815
  • Transport $450
  • Healthcare $1,350
  • Childcare $1,200
  • Federal tax $820
  • State tax $0

Frequently asked questions about Sully County

Common questions about cost of living, rent and salary.

What is the average rent in Sully County?

In Sully County, SD, a one-bedroom apartment averages $689 per month, a two-bedroom averages $904 per month, a three-bedroom averages $1,175 per month, according to HUD Fair Market Rent data.

What is the average salary in Sully County?

In Sully County, SD, the average household income is $70,250 per year and individual earnings for full-time workers average $45,118 per year, according to U.S. Census Bureau data.

What is the cost of living in Sully County?

The estimated cost of living in Sully County, SD is approximately $2,566 per month for a single person, $3,775 for a couple, $6,180 for a family. This includes rent, utilities, groceries, transportation, healthcare, and taxes.

What is the sales tax rate in Sully County?

The combined sales tax rate in Sully County, SD is 6.10%, which includes the South Dakota state rate of 4.20% plus an average local rate of 1.90%.

Is Sully County an affordable place to live?

Based on the data, a single person in Sully County, SD would need approximately $2,566 per month to cover rent, utilities, food, transport, healthcare, and taxes. The average household income is $70,250 per year ($5,854 per month). Sully County is relatively affordable compared to the national average.

How much does healthcare cost in Sully County?

The ACA marketplace benchmark premium in Sully County, SD is approximately $480 per month for an individual. Approximately 7.9% of residents are uninsured. Actual costs vary based on employer coverage, plan type, and individual circumstances.

What are house prices in Sully County?

The average home value in Sully County, SD is $198,700, with average annual property taxes of $1,697, according to U.S. Census Bureau data.

How does Sully County compare to other areas?

You can compare Sully County, SD with any other US county using our comparison tool at /compare. Sully County is in South Dakota.

Other counties in South Dakota

Browse the full list of counties in South Dakota, ranked by cost of living.

See all counties in South Dakota

Compare Sully County with another area

Put two counties side by side to see how rent, taxes and everyday costs stack up.

About this data

All figures on this page come from official U.S. government sources, listed below.

  • HUD FMR FY2025
  • ACS 2019-2023 5-Year
  • EIA
  • ACS + national avg
  • ACS
  • USDA + BEA RPP
Methodology All data sources