Utility Cost Calculators Iowa

Iowa Utility Cost Calculator

Iowa utilities: about $271 a month for a typical home (electric ~$133, gas ~$44, water ~$34, internet ~$60) at EIA's 15.99¢/kWh. Try your own numbers.

Typical total monthly utility bill in Iowa: $271 for a 1,800 sq ft home with 3 occupants -- $133 electricity, $44 natural gas, $34 water/sewer, and $60 internet under this page's default assumptions. Change the inputs below, or compare states with the utility bill estimator.

What sets Iowa utility bills
Measure	Iowa	Rank, normal or source
Electricity price, July 2026	15.99¢ per kWh (July 2025 15.31¢, +4.4%)	27th highest of 50; 13% below U.S.
Use per home, 2024	832 kWh a month	31st highest of 50; 4% below U.S.
Electric bill	832 kWh × 15.99¢ = $133.04, about $133	2024: $111.54 at 13.4¢, 40th highest of 50
Natural gas, 2025 average	$10.61 per Mcf (about $1.02 per therm)	38th highest of 44 (2025 averages); July 2026 $23.93, not used
Heating degree days, Jul 2025–Jun 2026	6,307	normal 7,059, 11% below
Cooling degree days, same months	1,027	normal 838, 23% above
Home energy, 2024	natural gas 44.2%, electricity 36.7%, heating oil and propane 15.1%, wood 3%	EIA SEDS, at the meter
In-state generation, 2024	wind 62.8%, coal 20.5%, natural gas 13.9%	EIA-923
Largest residential sellers, 2024	MidAmerican Energy Co (investor-owned) 41.5%; Interstate Power and Light Co (investor-owned) 24.7%	EIA-861

EIA (EPM 5.6.A, EIA-861, gas annual prices at 10.37 therms per Mcf) read 2026-10-11; NOAA CPC, EIA SEDS and EIA-923 2026-10-13.

By StateCalc Team

Updated Oct 22, 2026 Estimate — not official figures

Use Calculator Free — No Sign-up Instant Results Updated Oct 2026

Estimate only — these are not official figures

EIA use and prices for Iowa; home-size scaling, gas use, water and internet modeled

Do not rely on these amounts for budgeting or payment. For exact amounts, check the residential rate of MidAmerican Energy Co or your own utility.

This calculator requires JavaScript. Please enable JavaScript in your browser to change the inputs and recalculate the result.

Enter Your Details

Adjust values to see instant results

Home Size (sq ft)

20010000

Number of Occupants

110

Electric Rate ($/kWh)

0.050.6

Pre-filled: EIA Electric Power Monthly, Table 5.6.A (Residential, July 2026)

Natural Gas Rate ($/therm)

0.38

Pre-filled: EIA residential natural gas price, 2025 annual average ($10.61/Mcf)

Additional Details

Water Rate ($/1000 gal)

120

Iowa COL Index

50200

Pre-filled: C2ER Cost of Living Index (via MERIC)

Monthly Electric Bill

$133.00

Estimated • Based on your inputs

Total Monthly Utilities

$271.00

Annual Utility Costs

$3,252.00

Detailed Breakdown

Monthly Gas Bill$44.00

31%

Monthly Water & Sewer$34.00

24%

Internet & Cable (Est.)$60.00

42%

% of Median Income4.31%

Cost per Sq Ft/Month$0.15

Disclaimer: This calculator provides estimates for informational purposes only. Results should not be considered financial, tax, or legal advice. Consult a qualified professional for your specific situation.

Iowa Quick Facts

3.8% Income Tax Rate

1.33% Property Tax Rate

$75,501 Median Income

86.1 Cost of Living

How This Calculator Works

Calculation methodology and assumptions

Iowa inputs: 832 kWh a month (EIA-861 2024) × 15.99¢ (EIA, July 2026), scaled to your home size and occupants; gas $10.61/Mcf ÷ 10.37 = $1.0231/therm (EIA 2025 annual average); water $4.74 per 1,000 gallons and internet $60/month, both from cost-of-living index 86.1; income share on $75,501.

Key State Information

1,448,818 Iowa residential electricity customers (EIA-861, 2024) · cost-of-living index 86.1 · median household income $75,501.

Standard financial formulas Pre-filled with documented models and state context Estimates only — not financial advice

Data Source

U.S. Energy Information Administration (EIA), Form EIA-861 & monthly energy reports

View Original Source | Source record reviewed Aug 7, 2026 | Review target: annually

What drives Iowa utility bills

Heating is Iowa's larger weather load: a normal July-to-June brings 7,059 heating against 838 cooling degree days. The 2025–26 heating season peaked in Jan 2026.

Natural gas supplied 44.2% of Iowa home energy in 2024, electricity 36.7%. Heating oil and propane (15.1%) are not priced here: add that fuel bill if your home burns either.

MidAmerican Energy Co sold 41.5% of Iowa's 2024 residential electricity, Interstate Power and Light Co 24.7%.

Iowa degree days by month
Month	Heating	Cooling
Jul 2025	6	316
Aug 2025	35	223
Sep 2025	84	149
Oct 2025	313	36
Nov 2025	778	0
Dec 2025	1,295	0
Jan 2026	1,446	0
Feb 2026	969	0
Mar 2026	731	1
Apr 2026	405	10
May 2026	205	83
Jun 2026	40	209

StateCalc Team

Editorial Team

The StateCalc team builds free financial calculators using data from official government sources including the IRS, U.S. Census Bureau, BLS, and state revenue departments. All formulas are validated by an automated test suite and cross-referenced against published data.

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