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South Dakota

Cost of living in Dewey County, SD

Estimated monthly cost
$2,587/mo
for a single person, all categories combined

Population 5,230 · Last updated May 21, 2026

Cost breakdown

Single person, by category, per month.

Rent $788 30%
Healthcare $480 19%
Federal tax $425 16%
Groceries $324 13%
Transport $320 12%
Energy $200 8%
Water $50 2%
State tax $0 0%

Rent in Dewey County

Fair Market Rents by bedroom count.

Studio
$598
per month
1 bedroom
$788
per month
2 bedroom
$872
per month
3 bedroom
$1,155
per month
4 bedroom
$1,183
per month

Source: HUD FMR FY2025

Income and earnings in Dewey County

Annual earnings figures from the Census ACS.

Household income
$57,928
per year
Individual earnings
$36,022
per year
Per capita
$21,940
per year

Source: ACS 2019-2023 5-Year.

Home values in Dewey County

Average values reported by homeowners.

Average home value
$75,400
Annual property tax
$1,009

Source: ACS 2019-2023 5-Year

Energy costs in Dewey 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 Dewey County

Insurance premiums and coverage rates.

Individual premium
$480
per month
Family premium
$1,350
per month
Uninsured rate
23.5%

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 Dewey 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 Dewey County

Commute patterns and estimated costs.

Average commute
17.1 min
Drive alone
70.5%
Public transit
0.7%
Work from home
14.5%

Source: ACS

Monthly cost estimates for Dewey County

What it costs to live in Dewey County each month.

Single person
$2,587
per month
  • Rent $788
  • Energy $200
  • Water $50
  • Groceries $324
  • Transport $320
  • Healthcare $480
  • Federal tax $425
  • State tax $0
Couple
$3,611
per month
  • Rent $872
  • Energy $240
  • Water $60
  • Groceries $537
  • Transport $420
  • Healthcare $864
  • Federal tax $618
  • State tax $0
Family
$6,028
per month
  • Rent $1,155
  • Energy $300
  • Water $70
  • Groceries $815
  • Transport $520
  • Healthcare $1,350
  • Childcare $1,200
  • Federal tax $618
  • State tax $0

Frequently asked questions about Dewey County

Common questions about cost of living, rent and salary.

What is the average rent in Dewey County?

In Dewey County, SD, a one-bedroom apartment averages $788 per month, a two-bedroom averages $872 per month, a three-bedroom averages $1,155 per month, according to HUD Fair Market Rent data.

What is the average salary in Dewey County?

In Dewey County, SD, the average household income is $57,928 per year and individual earnings for full-time workers average $36,022 per year, according to U.S. Census Bureau data.

What is the cost of living in Dewey County?

The estimated cost of living in Dewey County, SD is approximately $2,587 per month for a single person, $3,611 for a couple, $6,028 for a family. This includes rent, utilities, groceries, transportation, healthcare, and taxes.

What is the sales tax rate in Dewey County?

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

Is Dewey County an affordable place to live?

Based on the data, a single person in Dewey County, SD would need approximately $2,587 per month to cover rent, utilities, food, transport, healthcare, and taxes. The average household income is $57,928 per year ($4,827 per month). Dewey County has a moderate cost of living relative to local earnings.

How much does healthcare cost in Dewey County?

The ACA marketplace benchmark premium in Dewey County, SD is approximately $480 per month for an individual. Approximately 23.5% of residents are uninsured. Actual costs vary based on employer coverage, plan type, and individual circumstances.

What are house prices in Dewey County?

The average home value in Dewey County, SD is $75,400, with average annual property taxes of $1,009, according to U.S. Census Bureau data.

How does Dewey County compare to other areas?

You can compare Dewey County, SD with any other US county using our comparison tool at /compare. Dewey 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 Dewey 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