Electric companies in Johnson County, Iowa
Johnson County, IA ranks 1 of 99 Iowa counties for tornado risk, FEMA score 98.2. Johnson County in Iowa has 154,881 residents and 5 utilities listed by EIA, with home prices of 11.01 to 17.90 cents per kWh.
Johnson County on the map
Johnson County darker: more storm events
Outage risk in Johnson County
Johnson County, IA, NWS storm events 2015 to 2025: 134 in all, 86.5 per 100,000 residents of 154,881, rank 13 of 99 Iowa counties. Property damage in Johnson County, IA: $10K, with 2 direct injuries or deaths.
Events by year in Johnson County, IA
events a year, Johnson County, IA
- 8'15
- 3'16
- 12'17
- 9'18
- 15'19
- 8'20
- 10'21
- 3'22
- 25'23
- 32'24
- 9'25
Events by type
| Johnson County, IA | FEMA | Score | Rank | Events | Peak | Damage |
|---|---|---|---|---|---|---|
| Johnson County, IA, thunderstorm and high wind | Very High | 98.9 | 2 of 99 | 94 | 2024 (25) | $10K |
| Johnson County, IA, tornado | Relatively High | 98.2 | 1 of 99 | 13 | 2023 (5) | $0 |
| Johnson County, IA, hurricane and tropical storm | Very Low | 13.6 | 25 of 82 | 0 | none | $0 |
| Johnson County, IA, ice storm | Relatively Moderate | 75.7 | 6 of 99 | 2 | 2019 (1) | $0 |
| Johnson County, IA, winter storm and heavy snow | Relatively High | 87.9 | 7 of 99 | 25 | 2019 (5) | $0 |
| Johnson County, IA, heat wave | Relatively Moderate | 87.5 | 2 of 99 | 0 | none | $0 |
Electric utilities in Johnson County
| Utility listed for Johnson County, IA | Type | Home price ¢/kWh | Yearly bill at 832 kWh | Share of Johnson County, IA median income of $74,721 |
|---|---|---|---|---|
| MidAmerican Energy Co in Johnson County, IA | Investor Owned | 11.01 | $1,100 | 1.47% |
| East-Central Iowa Rural Elec Coop in Johnson County, IA | Cooperative | 13.28 | $1,326 | 1.78% |
| Eastern Iowa Light & Power Coop in Johnson County, IA | Cooperative | 13.56 | $1,354 | 1.81% |
| Linn County REC in Johnson County, IA | Cooperative | 14.23 | $1,421 | 1.90% |
| Interstate Power and Light Co in Johnson County, IA | Investor Owned | 17.90 | $1,788 | 2.39% |
Prices are statewide utility averages, not a county price.
Facts about Johnson County
- Residents of Johnson County, IA, ACS 2023
- 154,8814 of 99 Iowa counties
- Households in Johnson County, IA
- 62,2142.49 people each
- Owner-occupied homes in Johnson County, IA
- 58.8%36,606 owner and 25,608 renter households
- Median household income in Johnson County, IA
- $74,72125 of 99 Iowa counties
- Housing units in Johnson County, IA
- 67,2114,997 vacant or seasonal, 7.4% of the units
- Homes heated by electricity in Johnson County, IA
- 27.0%16,828 homes, 24 of 99 Iowa counties
- Utilities listed for Johnson County, IA
- 55 with a home price: MidAmerican Energy Co, East-Central Iowa Rural Elec Coop, Eastern Iowa Light & Power Coop
- Lowest home price in Johnson County, IA
- 11.01 ¢/kWhMidAmerican Energy Co, 38.5% below the highest
- Highest home price in Johnson County, IA
- 17.90 ¢/kWhInterstate Power and Light Co
- Monthly bill gap in Johnson County, IA
- $57between the two at 832 kWh, $688 a year, 0.92% of the Johnson County, IA median income
- ZIP areas touching Johnson County, IA
- 1552203 to 52755
- Outage-linked storm events in Johnson County, IA
- 134NWS storm events, 2015 to 2025
- Homes built before 1980 in Johnson County, IA
- 37.8%median year built 1991
- Flood claims in Johnson County, IA
- 9NFIP 2015 to 2025, $233K paid
- Home energy burden in Johnson County, IA
- 1.6%$922 a year on electricity (DOE LEAD)
Cost of living with electricity in Johnson County
Johnson County, IA: electricity $922 a year per home (DOE LEAD), all home energy $1,558, 1.6% of $96,344 income. 61,414 households in Johnson County, IA spend about $56.6 million a year on electricity and $95.7 million on all home energy. Lower-income homes in Johnson County, IA ($16,599 a year) spend 5.5% of income, 3.4 times the all-home figure.
Energy burden in Johnson County, IA
| Johnson County, IA | Homes | Income | Power | Gas | Other | Burden |
|---|---|---|---|---|---|---|
| Johnson County, IA, all households | 61,414 | $96,344 | $922 | $618 | $18 | 1.6% |
| Johnson County, IA, lower income | 17,055 | $16,599 | $584 | $319 | $17 | 5.5% |
| Johnson County, IA, owners | 36,319 | $134,932 | $1,182 | $861 | $24 | 1.5% |
| Johnson County, IA, renters | 25,095 | $40,497 | $547 | $268 | $9 | 2.0% |
Housing and heating in Johnson County
Johnson County, IA: 25,409 of 67,211 homes were built before 1980 and 24,286 in 2000 or later. Johnson County, IA has 32,661 detached houses, 20,036 homes in 5+ unit buildings, 2,470 mobile homes, and 25,608 of 62,214 households rent.
Age of homes in Johnson County, IA
% of homes by decade built, Johnson County, IA
- 10pre-40
- 240s
- 550s
- 960s
- 1270s
- 1180s
- 1590s
- 1600s
- 1810s
- 220+
Heating fuel in Johnson County, IA
| Johnson County, IA | Value | State median | Gap | Rank |
|---|---|---|---|---|
| Johnson County, IA, median year built | 1991 | 1962 | +29 years | 2 of 99 |
| Johnson County, IA, built before 1980 | 37.8% | 72.5% | -34.7 points | 98 of 99 |
| Johnson County, IA, built 2000 or later | 36.1% | 12.8% | +23.4 points | 2 of 99 |
| Johnson County, IA, detached houses | 48.6% | 82.1% | -33.5 points | 99 of 99 |
| Johnson County, IA, apartments in 5+ unit buildings | 29.8% | 6.5% | +23.4 points | 2 of 99 |
| Johnson County, IA, mobile homes | 3.7% | 3.3% | +0.3 points | 40 of 99 |
| Johnson County, IA, renter households | 41.2% | 23.6% | +17.5 points | 2 of 99 |
| Johnson County, IA, median home value | $293,100 | $148,600 | +$144,500 | 2 of 99 |
| Johnson County, IA, median gross rent a month | $1,104 | $800 | +$304 | 3 of 99 |
| Johnson County, IA, people per household | 2.36 | 2.35 | +0.01 | 44 of 99 |
Flood claims and flood insurance in Johnson County
Johnson County, IA: 9 NFIP flood claims in 2015 to 2025, $233K paid, median paid claim $31,155.
360 of 54,675 residential structures in Johnson County, IA carry an NFIP contract. 644 NFIP policies of any type were in force in Johnson County, IA on 8 Sep 2026. Johnson County, IA lists 14 repetitive-loss properties.
Johnson County, IA: claims history, not an outage count.
| Johnson County, IA | Value | Median county | Rank |
|---|---|---|---|
| Johnson County, IA, claims 2015-2025 | 9 | — | 37 of 47 |
| Johnson County, IA, paid 2015-2025 | $233K | — | 33 of 47 |
| Johnson County, IA, median paid claim | $31,155 | — | — |
| Johnson County, IA, claims per 1,000 homes | 0.2 | 1.9 | 47 of 47 |
| Johnson County, IA, homes with flood insurance | 0.7% | 0.3% | 22 of 88 |
| Johnson County, IA, policies in force | 644 | — | — |
| Johnson County, IA, repetitive-loss properties | 14 | — | — |
Johnson County, IA: OpenFEMA NFIP, claims as of 8 Sep 2026, insured share as of 3 Aug 2026; counts under 5 are hidden.
Johnson County: flood claims by state, flood hub.
Analyst note on Johnson County
Johnson County, IA counts 154,881 residents in 62,214 households. Johnson County, IA touches 15 ZIP areas, 52203 to 52755, about 10,325 residents each. Household income in Johnson County, IA is $74,721; 36,606 of its 62,214 households own.
16,828 of the 62,214 homes in Johnson County, IA heat with electricity. Johnson County, IA has 67,211 housing units, 4,997 (7.4%) vacant or seasonal, and 25,608 rented homes. Johnson County, IA logged 134 storm events for its 154,881 residents.
The median home in Johnson County, IA dates from 1991. Homes in Johnson County, IA pay $922 a year for electricity. Johnson County, IA home prices run MidAmerican Energy Co to Interstate Power and Light Co, $57 a month apart at 832 kWh.
Bill and heat pump calculator, Johnson County
Compare Johnson County with its neighbours
- Washington County sits 16 miles south of Johnson County, IA with 22,539 residents, 88 storm events, median home built 1962, energy burden 3.7%, income $71,339.
- Iowa County sits 24 miles west of Johnson County, IA with 16,547 residents, 76 storm events, median home built 1971, energy burden 3.8%, income $72,185.
- Linn County sits 32 miles north of Johnson County, IA with 229,463 residents, 231 storm events, median home built 1977, energy burden 2.3%, income $76,421.
- Cedar County sits 26 miles northeast of Johnson County, IA with 18,427 residents, 114 storm events, median home built 1962, energy burden 3.9%, income $79,080.
- Louisa County sits 36 miles southeast of Johnson County, IA with 10,710 residents, 46 storm events, median home built 1962, energy burden 4.3%, income $80,223.
Cities in Johnson County
- Iowa City electricity rates75,264 residents
ZIP codes in Johnson County
- 52203
- 52235
- 52240
- 52241
- 52242
- 52245
- 52246
- 52247
- 52317
- 52322
- 52327
- 52333
- 52338
- 52340
- 52755
Iowa: home prices since 2001, planned plants.
Questions on Johnson County
Johnson County, IA: what do homes pay for electricity?
Johnson County, IA homes paid 11.01 to 17.90 cents per kWh in 2024 across 5 listed utilities: $92 to $149 a month at 832 kWh, 1.47% to 2.39% of Johnson County, IA income.
Johnson County, IA: how many homes heat with electricity?
Johnson County, IA: 16,828 of 62,214 occupied homes, 27.0%, rank 24 of 99.
Johnson County, IA: median household income?
$74,721 in Johnson County, IA, rank 25 of 99; 154,881 residents, 62,214 households.
Johnson County, IA: outage-linked storms since 2015?
Johnson County, IA: 134 NWS events, peak year 2024.
Johnson County, IA: flood insurance claims since 2015?
Johnson County, IA: 9 NFIP flood claims, $233K paid, 0.2 per 1,000 homes, 0.7% of homes insured.
How old are the homes in Johnson County, IA?
Johnson County, IA: median home built 1991; 37.8% predate 1980, 48.6% detached, 29.8% in 5+ unit buildings.
Johnson County, IA: share of income for energy?
Johnson County, IA homes spend $922 a year on electricity, $1,558 on all energy: 1.6% of $96,344; 5.5% for lower incomes.