Average Utility Costs in Idaho
Typical monthly utility costs in Idaho are about $224.44/mo, based on 1,000 kWh of electricity and 5,000 gallons of water (plus sewer and trash where available). Compare Idaho cities below to find cheaper vs more expensive areas.
Electric: Boise, Meridian, Nampa, Pocatello, and Coeur d'Alene use Idaho Power (tiered summer/non-summer). Idaho Falls uses municipal Idaho Falls Power (flat ~7.1¢/kWh).
Average Monthly Utility Costs in Idaho
The average utility bill in Idaho is estimated at $224.44 per month, a typical total assembled from median city estimates for electricity, water, sewer, and trash. To reflect a more typical bill across cities (and reduce the impact of outliers), these "average" values use the median of city estimates.
Assumptions: 1,000 kWh/month and 5,000 gallons/month (where applicable). "Average" values represent the median city estimate; water/sewer/trash medians exclude $0 entries when service or published rates vary by address. Actual bills vary by usage, fees, and provider.
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Utility providers in Idaho
In the cities we cover, electric is provided by Avista Utilities (Post Falls, Spokane); Central Maine Power (CMP) (Portland, Lewiston, Biddeford, Saco, Gorham); Idaho Falls Power (Idaho Falls); Idaho Power (Boise, Eagle, Meridian, Nampa, Pocatello, Coeur Dalene and 2 more) Idaho Power uses tiered summer (Jun–Sep) and non-summer (Oct–May) rates. Water, sewer, and trash are set by city, county, or regional providers. Our estimates use each utility's published rate at 1,000 kWh. City pages show sources and last-verified dates.
See which electric, water, sewer, and trash providers serve different areas of Idaho, along with typical residential rate information and sources.
View utility providers in Idaho →These rankings are estimates for comparison at 1,000 kWh. For the full breakdown (electric, water, sewer, trash) by city, use the comparison table below.
Cheapest electric rates in Idaho
Top 5 cities with the lowest estimated electric bill at 1,000 kWh. See the comparison table below for all cities.
Most expensive total utility monthly cost in Idaho
Top 5 cities with the highest estimated total (electric + water + sewer + trash). See the comparison table for all cities.
Compare all cities
Estimated monthly costs by city, sorted by total (highest first). Same assumed usage (1,000 kWh, 5,000 gal) for comparison; some cities may show $0 when no single published municipal rate is available or service varies by address. 10 cities.
| City | County | Electric | Water | Sewer | Trash | Total | View |
|---|---|---|---|---|---|---|---|
| Lewiston | Nez Perce County | $131.00 | $64.20 | $52.09 | $31.01 | $278.30 | View Lewiston details → |
| Boise | Ada County | $131.00 | $26.85 | $64.00 | $27.30 | $249.15 | View Boise details → |
| Twin Falls | Twin Falls County | $131.00 | $36.85 | $40.00 | $37.76 | $245.61 | View Twin Falls details → |
| Nampa | Canyon County | $131.00 | $36.85 | $36.00 | $22.43 | $226.28 | View Nampa details → |
| Post Falls | Kootenai County | $118.80 | $20.21 | $70.17 | $13.85 | $223.03 | View Post Falls details → |
| Pocatello | Bannock County | $131.00 | $29.65 | $34.84 | $22.96 | $218.45 | View Pocatello details → |
| Eagle | Ada County | $127.00 | $20.01 | $45.00 | $21.60 | $213.61 | View Eagle details → |
| Meridian | Ada County | $131.00 | $16.24 | $39.30 | $25.30 | $211.84 | View Meridian details → |
| Coeur d'Alene | Kootenai County | $131.00 | $6.60 | $56.62 | $11.60 | $205.82 | View Coeur d'Alene details → |
| Idaho Falls | Bonneville County | $95.00 | $31.85 | $26.40 | $9.90 | $163.15 | View Idaho Falls details → |
Idaho counties
View estimated utility costs by county. Each county page lists cities and a comparison table of monthly estimates.
Compare with nearby states
Compare utility costs in Idaho with neighboring states.
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