Cost of Living in Idaho Falls, ID: What You Will Pay in 2026
Idaho Falls is about 17% cheaper than the national average overall, but home prices run higher. Housing is the cost that will decide your budget.
In this article
The cost of living in Idaho Falls, ID is about 17% lower than the national average [1][2]. That lower overall figure does not mean every bill is lower. For 2026, the median sale price is about $375,000 and the median rent is about $1,075 [3].
A cost-of-living index blends many spending categories into one number, from housing to groceries and transportation. A single total can hide a high housing bill, so it cannot tell you what your own budget looks like. Your own rent, utilities, car costs, and taxes decide that.
This article breaks the figures down by category, shows what different budgets look like, and explains which costs the headline numbers leave out. Start with housing, the category that shapes your monthly costs most.
What changes the cost of living the most?
Housing is the main reason Idaho Falls costs less than the national average, while utilities are a smaller, separate bill. The housing index and the home price tell different stories, so read them together.
That is a comparison of costs across a basket of housing expenses, not a price for one home. It tells you how monthly housing spending compares, which is not the same as what a house sells for.
A typical home here sells for more than a typical home nationwide, even though the housing index is lower. If you plan to buy, plan around the purchase price, not the index.
That number blends rent with everyday spending, so it is closer to a monthly budget than the home price is. Use it as a starting point, then compare it with the costs you expect for your own household.
Utilities are a smaller part of the picture. Your own bill depends on how much power your household uses and on the season, so your total may land above or below that figure.
Each figure is measured differently. Prices and rates change, so check current figures before you make a decision.
What does living here cost at different budgets?
A renter in Idaho Falls can expect to spend about $3,858 a month on typical expenses [4]. That total is more useful than rent alone, because it adds the other everyday bills to housing. Use it as a benchmark to compare with your own take-home pay.
Starting with rent
A median is the middle point of the market, so some units will cost more and some less.
Building the full monthly total
What remains has to cover utilities, groceries, transportation, insurance and everything else. If that remainder looks too small for your life, the area may be a tight fit at your income level.
A living wage reference point
MIT's living wage calculation for the Idaho Falls metro area lists housing among its typical expenses, with figures in its table running from $12,469 to $21,892 [5]. A living wage is a benchmark for the income needed to cover basic costs, not a target you must reach. Use the table to see how housing compares with the other expenses in that calculation.
What these numbers are and are not
These figures are estimates for a typical household. They are not a forecast of your own costs. Your rent, commute, household size and power use will push your total up or down, so build your budget from your own expected bills.
Which costs do the headline numbers leave out?
Your monthly budget includes costs that the headline index does not show on its own: utilities, the gap between median and actual prices, and local taxes and fees. Plan for each one separately before you sign a lease or make an offer.
Utilities are a separate bill
Utilities come as their own monthly bill, so they do not show up in your rent. Electricity is the example to price first. In Idaho Falls, one example is a $95 bill for 1,000 kWh of electricity [3]. If your home uses more power than that, expect a higher bill, and a larger house will usually use more.
Median figures are a starting point
The home price and rent figures are medians, which means the middle value of the market. They are not quotes for a specific home or apartment [3]. An actual listing can cost well above or below the median, depending on its size, age, and location within the city.
Use the median to set a rough range, then compare real listings near the neighborhoods you like. If the homes that fit your needs cluster above the median, adjust your budget before you start touring.
Property taxes and fees depend on where you live
Property taxes and fees are set by the county and the city, so two addresses a few miles apart can have different bills. Look up the current rates on the county assessor's website and the City of Idaho Falls website before you compare two properties. Add any HOA dues or special assessments to the monthly total so the comparison is fair.
How do you read a cost-of-living index?
A cost-of-living index shows how Idaho Falls compares with the national average, as a percentage. Idaho Falls is 17% below that average, so on a blended measure living here costs less than in a typical U.S. city [1][2]. Read the number as a relative gap, not a dollar amount.
"Blended" means the index combines many spending categories into one score, such as housing, groceries, transportation, and utilities. Each category carries a weight, so a lower price in one area can offset a higher price in another.
Renters and the renter index
If you rent, look at the renter-specific figure. The cost of living in Idaho Falls for a renter is 18.9% lower than the national average [4]. That version uses a slightly different mix of costs, so it will not match the overall index exactly.
When the index and home prices disagree
Home prices can point the other way. The national average home value is $359,870, while the median home value in Idaho Falls is $374,781 [6]. That means a typical house here costs more than the national average, even though the overall index is lower. A buyer should give the housing line more weight than the headline score.
Build your own budget from the index
Use the index as a starting point, then list the categories you actually spend on. Start with rent or mortgage, then utilities, transportation, groceries, and insurance. A household with two cars and a long commute will feel transportation costs more than the blended score suggests.
Reported figures and forecasts
Keep two kinds of numbers apart. Reported figures describe prices already measured, while forecasts estimate what might happen next. None of the figures in this article guarantee future prices, so treat any projection as an estimate, not a promise.
What should you take from these numbers?
The headline number is good news, but it does not set your budget. Idaho Falls costs about 17% less than the national average overall [1]. Home prices are higher, though: the median home value in Idaho Falls is $374,781, above the national average of $359,870 [6]. Whether you rent or buy will move your monthly bill more than the overall index does.
Start by adding up what you expect to pay each month: rent or a mortgage payment, utilities, groceries, transportation and insurance. Then set that total against the rent and home price figures above. If your housing cost runs higher than those figures, the overall index average will not cover the gap.