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Rock Springs, WY

Cost of living in Sweetwater County, WY

Estimated monthly cost
$2,773/mo
for a single person, all categories combined

Population 41,786 · Last updated May 21, 2026

Cost breakdown

Single person, by category, per month.

Rent $821 30%
Federal tax $610 22%
Healthcare $480 17%
Groceries $332 12%
Transport $320 12%
Energy $150 5%
Water $60 2%
State tax $0 0%

Rent in Sweetwater County

Fair Market Rents by bedroom count.

Studio
$816
per month
1 bedroom
$821
per month
2 bedroom
$1,003
per month
3 bedroom
$1,248
per month
4 bedroom
$1,631
per month

Source: HUD FMR FY2025

Income and earnings in Sweetwater County

Annual earnings figures from the Census ACS.

Household income
$76,464
per year
Individual earnings
$47,365
per year
Per capita
$40,988
per year

Source: ACS 2019-2023 5-Year.

Home values in Sweetwater County

Average values reported by homeowners.

Average home value
$242,900
Annual property tax
$1,469

Source: ACS 2019-2023 5-Year

Energy costs in Sweetwater County

Estimated monthly electricity and gas costs.

Electricity
$98
per month · 12.3¢/kWh
Natural gas
$52
per month
Annual total
$1,800
per year

Source: EIA

Healthcare in Sweetwater County

Insurance premiums and coverage rates.

Individual premium
$480
per month
Family premium
$1,350
per month
Uninsured rate
12.9%

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 Sweetwater County

State and local tax rates for Wyoming.

No state income tax
Wyoming does not levy a personal income tax.
State sales tax
4.0%
Combined sales tax
5.4%
incl. average local

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

Transportation in Sweetwater County

Commute patterns and estimated costs.

Average commute
21.0 min
Drive alone
79.2%
Public transit
2.4%
Work from home
2.8%

Source: ACS

Monthly cost estimates for Sweetwater County

What it costs to live in Sweetwater County each month.

Single person
$2,773
per month
  • Rent $821
  • Energy $150
  • Water $60
  • Groceries $332
  • Transport $320
  • Healthcare $480
  • Federal tax $610
  • State tax $0
Couple
$4,008
per month
  • Rent $1,003
  • Energy $180
  • Water $70
  • Groceries $550
  • Transport $420
  • Healthcare $864
  • Federal tax $921
  • State tax $0
Family
$6,384
per month
  • Rent $1,248
  • Energy $225
  • Water $85
  • Groceries $835
  • Transport $520
  • Healthcare $1,350
  • Childcare $1,200
  • Federal tax $921
  • State tax $0

Frequently asked questions about Sweetwater County

Common questions about cost of living, rent and salary.

What is the average rent in Sweetwater County?

In Sweetwater County, WY, a one-bedroom apartment averages $821 per month, a two-bedroom averages $1,003 per month, a three-bedroom averages $1,248 per month, according to HUD Fair Market Rent data.

What is the average salary in Sweetwater County?

In Sweetwater County, WY, the average household income is $76,464 per year and individual earnings for full-time workers average $47,365 per year, according to U.S. Census Bureau data.

What is the cost of living in Sweetwater County?

The estimated cost of living in Sweetwater County, WY is approximately $2,773 per month for a single person, $4,008 for a couple, $6,384 for a family. This includes rent, utilities, groceries, transportation, healthcare, and taxes.

What is the sales tax rate in Sweetwater County?

The combined sales tax rate in Sweetwater County, WY is 5.36%, which includes the Wyoming state rate of 4.00% plus an average local rate of 1.36%.

Is Sweetwater County an affordable place to live?

Based on the data, a single person in Sweetwater County, WY would need approximately $2,773 per month to cover rent, utilities, food, transport, healthcare, and taxes. The average household income is $76,464 per year ($6,372 per month). Sweetwater County is relatively affordable compared to the national average.

How much does healthcare cost in Sweetwater County?

The ACA marketplace benchmark premium in Sweetwater County, WY is approximately $480 per month for an individual. Approximately 12.9% of residents are uninsured. Actual costs vary based on employer coverage, plan type, and individual circumstances.

What are house prices in Sweetwater County?

The average home value in Sweetwater County, WY is $242,900, with average annual property taxes of $1,469, according to U.S. Census Bureau data.

How does Sweetwater County compare to other areas?

You can compare Sweetwater County, WY with any other US county using our comparison tool at /compare. Sweetwater County is in the Rock Springs, WY metro area.

Other counties in Wyoming

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

See all counties in Wyoming

Compare Sweetwater 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