Cost of living in Gem County, ID
Part of the Boise City Metro Area
Population 19,854 · Last updated May 21, 2026
Cost breakdown
Single person, by category, per month.
Rent in Gem County
Fair Market Rents by bedroom count.
Source: HUD FMR FY2025
Income and earnings in Gem County
Annual earnings figures from the Census ACS.
Source: ACS 2019-2023 5-Year.
Home values in Gem County
Average values reported by homeowners.
Source: ACS 2019-2023 5-Year
Energy costs in Gem County
Estimated monthly electricity and gas costs.
Source: EIA
Healthcare in Gem County
Insurance premiums and coverage rates.
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 Gem County
State and local tax rates for Idaho.
Tax rates change. Consult a qualified tax professional for advice on your specific situation. This is not tax advice.
Transportation in Gem County
Commute patterns and estimated costs.
Source: ACS
Monthly cost estimates for Gem County
What it costs to live in Gem County each month.
- Rent $1,008
- Energy $162
- Water $60
- Groceries $331
- Transport $320
- Healthcare $480
- Federal tax $410
- State tax $170
- Rent $1,322
- Energy $194
- Water $70
- Groceries $549
- Transport $420
- Healthcare $864
- Federal tax $754
- State tax $320
- Rent $1,778
- Energy $243
- Water $85
- Groceries $832
- Transport $520
- Healthcare $1,350
- Childcare $1,200
- Federal tax $754
- State tax $320
Frequently asked questions about Gem County
Common questions about cost of living, rent and salary.
What is the average rent in Gem County?
In Gem County, ID, a one-bedroom apartment averages $1,008 per month, a two-bedroom averages $1,322 per month, a three-bedroom averages $1,778 per month, according to HUD Fair Market Rent data.
What is the average salary in Gem County?
In Gem County, ID, the average household income is $66,245 per year and individual earnings for full-time workers average $35,108 per year, according to U.S. Census Bureau data.
What is the cost of living in Gem County?
The estimated cost of living in Gem County, ID is approximately $2,941 per month for a single person, $4,493 for a couple, $7,082 for a family. This includes rent, utilities, groceries, transportation, healthcare, and taxes.
What is the sales tax rate in Gem County?
The combined sales tax rate in Gem County, ID is 6.03%, which includes the Idaho state rate of 6.00% plus an average local rate of 0.03%.
Is Gem County an affordable place to live?
Based on the data, a single person in Gem County, ID would need approximately $2,941 per month to cover rent, utilities, food, transport, healthcare, and taxes. The average household income is $66,245 per year ($5,520 per month). Gem County has a moderate cost of living relative to local earnings.
How much does healthcare cost in Gem County?
The ACA marketplace benchmark premium in Gem County, ID is approximately $480 per month for an individual. Approximately 11.9% of residents are uninsured. Actual costs vary based on employer coverage, plan type, and individual circumstances.
What are house prices in Gem County?
The average home value in Gem County, ID is $367,300, with average annual property taxes of $1,443, according to U.S. Census Bureau data.
How does Gem County compare to other areas?
You can compare Gem County, ID with any other US county using our comparison tool at /compare. Gem County is in the Boise City, ID metro area.
Other counties in Idaho
Browse the full list of counties in Idaho, ranked by cost of living.
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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