CostOfCity

Idaho Falls vs Twin Falls: Full Cost Comparison

Side-by-side cost comparison across 38 categories. Updated March 2026.

ID
Idaho Falls
90
Cost Index
Pop: 65KIncome: $53K
VS
0% diff
ID
Twin Falls
90
Cost Index
Pop: 53KIncome: $47K
More Affordable
Idaho Falls
Idaho Falls Wins
24/38
Twin Falls Wins
14/38
Topics
38

The Idaho Falls vs Twin Falls debate comes down to more than just price tags. While Idaho Falls offers lower costs across most categories (0% cheaper overall), Twin Falls brings advantages in job market depth and earning potential. We've analyzed cost data across every category in our database to give you the complete picture โ€” including who actually benefits from each city's strengths.

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Key Cost Comparisons

Roof ReplacementIdaho Falls saves $2,409
Idaho Falls
$7,234
Twin Falls
$9,643
Start a RestaurantTwin Falls saves $7,746
Idaho Falls
$424,575
Twin Falls
$416,829
Cost of LivingIdaho Falls saves $449
Idaho Falls
$3,297
Twin Falls
$3,746
Rent PricesIdaho Falls saves $91
Idaho Falls
$1,956
Twin Falls
$2,047
Car InsuranceIdaho Falls saves $381
Idaho Falls
$2,017
Twin Falls
$2,398
Software Developer Salary (higher = better)Idaho Falls pays $17,188 more
Idaho Falls
$123,833
Twin Falls
$106,645

Cost of Living

Idaho Falls: 4Twin Falls: 1
CategoryIdaho FallsTwin FallsDiffWinner
Cost of Living$3,297$3,74612%Idaho Falls (lower cost)
Rent Prices$1,956$2,0474%Idaho Falls (lower cost)
Grocery Costs$470$38518%Twin Falls (lower cost)
Utility Costs$232$2341%Idaho Falls (lower cost)
Transportation Costs$267$40234%Idaho Falls (lower cost)

Home Services

Idaho Falls: 7Twin Falls: 3
CategoryIdaho FallsTwin FallsDiffWinner
Roof Replacement$7,234$9,64325%Idaho Falls (lower cost)
HVAC Installation$5,354$7,52429%Idaho Falls (lower cost)
Plumbing Services$243$30921%Idaho Falls (lower cost)
Electrical Work$346$40715%Idaho Falls (lower cost)
Kitchen Remodel$25,988$20,79020%Twin Falls (lower cost)
Bathroom Remodel$9,780$8,9498%Twin Falls (lower cost)
House Painting$3,889$5,21625%Idaho Falls (lower cost)
Flooring Installation$2,254$3,06727%Idaho Falls (lower cost)
Landscaping$3,612$2,67426%Twin Falls (lower cost)
Fence Installation$3,472$3,7096%Idaho Falls (lower cost)

Business Startup Costs

Idaho Falls: 5Twin Falls: 5
CategoryIdaho FallsTwin FallsDiffWinner
Start a Restaurant$424,575$416,8292%Twin Falls (lower cost)
Start a Coffee Shop$165,395$202,77818%Idaho Falls (lower cost)
Start a Food Truck$115,157$124,6258%Idaho Falls (lower cost)
Start a Gym$203,088$293,90731%Idaho Falls (lower cost)
Start a Daycare$43,368$52,89718%Idaho Falls (lower cost)
Start a Hair Salon$292,240$241,30917%Twin Falls (lower cost)
Start a Laundromat$363,825$325,76310%Twin Falls (lower cost)
Start a Bakery$93,844$82,84512%Twin Falls (lower cost)
Start a Bar$428,160$428,7610%Idaho Falls (lower cost)
Start a Cleaning Business$18,957$13,45629%Twin Falls (lower cost)

Insurance

Idaho Falls: 3Twin Falls: 1
CategoryIdaho FallsTwin FallsDiffWinner
Car Insurance$2,017$2,39816%Idaho Falls (lower cost)
Home Insurance$1,587$2,47136%Idaho Falls (lower cost)
Health Insurance$660$6186%Twin Falls (lower cost)
Business Insurance$1,695$1,8729%Idaho Falls (lower cost)

Salaries & Jobs

Idaho Falls: 3Twin Falls: 2
CategoryIdaho FallsTwin FallsDiffWinner
Software Developer Salary$123,833/yr$106,645/yr14%Idaho Falls (higher pay)
Registered Nurse Salary$92,250/yr$90,694/yr2%Idaho Falls (higher pay)
Teacher Salary$62,522/yr$65,918/yr5%Twin Falls (higher pay)
Electrician Salary$46,719/yr$53,891/yr13%Twin Falls (higher pay)
Plumber Salary$56,970/yr$47,025/yr17%Idaho Falls (higher pay)

Who Benefits From Each City?

The "better" city depends on your situation. Here's how different profiles stack up:

๐Ÿ’ป

Remote Worker

โ†’ Idaho Falls

If your salary doesn't depend on location, Idaho Falls's 0% lower costs translate directly into more savings or disposable income. Your paycheck goes further without a pay cut.

๐Ÿš€

Young Professional

โ†’ Idaho Falls

Both cities are moderately priced, but Idaho Falls's lower costs help you build savings earlier in your career when compound growth matters most.

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Family with Kids

โ†’ Idaho Falls

Families face multiplied costs โ€” housing, groceries, healthcare, and transportation all scale with household size. Idaho Falls's 0% advantage compounds across every budget category.

๐Ÿช

Small Business Owner

โ†’ Idaho Falls

Lower operating costs in Idaho Falls mean lower break-even points. Rent, utilities, insurance, and labor all come in cheaper, giving new businesses more runway to reach profitability.

๐Ÿ–๏ธ

Retiree

โ†’ Idaho Falls

On a fixed income, every percentage point matters. Idaho Falls's lower healthcare, housing, and everyday costs help retirement savings last longer.

The Verdict

Idaho Falls is 0% more affordable overall

Idaho Falls wins 24 out of 38 cost categories.Twin Falls has higher costs but wins 14 categories.

Idaho Falls
90
Twin Falls
90

Explore Each City

Idaho Falls, ID
Pop: 65K | Index: 90
View all costs โ†’
Twin Falls, ID
Pop: 53K | Index: 90
View all costs โ†’

Explore Specific Costs

Dive deeper into specific cost topics for each city:

Frequently Asked Questions

Is Idaho Falls or Twin Falls more affordable in 2026?

Idaho Falls is 0% more affordable than Twin Falls overall. Idaho Falls wins 24 out of 38 cost categories. However, Twin Falls may offer higher salaries in certain industries that can offset higher living costs.

What is the cost of living index for Idaho Falls vs Twin Falls?

Idaho Falls's cost of living index is 90; Twin Falls's is 90. A score of 100 represents the national average. Idaho Falls is below average; Twin Falls is below average. These figures are derived from BLS and Census data.

How do housing costs compare between Idaho Falls and Twin Falls?

Housing is typically the biggest cost difference between these cities. Idaho Falls (index: 90) and Twin Falls (index: 90) differ by 0% overall, with housing costs often diverging even more than the average. Check the Cost of Living section above for specific figures.

Which city is better for remote workers?

For remote workers earning a location-independent salary, Idaho Falls is the clear winner. The 0% cost advantage means more of your paycheck goes to savings or discretionary spending. Twin Falls makes more sense if your employer adjusts pay upward for that market.

About This Comparison

Data SourcesBLS Consumer Expenditure Survey, Census Bureau ACS, HUD Fair Market Rent data, BLS OEWS (salary data), and regional industry surveys.
MethodologyEach city's costs are derived from national averages adjusted by city-specific cost-of-living indices. Category-specific sensitivity factors account for varying price elasticity across topic areas.
ConfidenceMEDIUMModel-derived estimates, not direct price surveys

Limitations: This comparison uses modeled data based on cost-of-living indices. Actual costs may vary based on neighborhood, timing, provider, and individual circumstances. Salary data reflects median full-time employment; contract and freelance rates differ. Last updated: March 2026.

โ† All ComparisonsIdaho Falls costs โ†’Twin Falls costs โ†’