Electric companies in Johnson County, Iowa
Johnson County, IA ranks 1st of 99 Iowa counties for tornado risk, FEMA score 98.2. Johnson County, IA has 154,881 residents. Johnson County, IA: 5 utilities listed by EIA. Johnson County, IA: home electricity prices of 11.01 to 17.90 cents per kWh.
Johnson County, IA on the map
Johnson County, IA darker: more storm events
Outage risk in Johnson County, IA
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, IA
| 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, IA
- 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)
Electricity price since 2015 in Johnson County, IA
MidAmerican Energy Co charged Johnson County, IA homes 9.75 ¢/kWh in 2015. Johnson County, IA: 11.01 ¢ in 2024, 13% up. Johnson County, IA: against 15% up for the Iowa average.
Johnson County, IA: a 832 kWh month at that price. Johnson County, IA: $81 in 2015, $92 in 2024. Johnson County, IA: $1,100 a year, 1.5% of the $74,721 median income.
Johnson: 10 yearly prices
| Year | MidAmerican Energy Co, Johnson County, IA | Johnson: Gap to Iowa average | Johnson: Gap to U.S. average |
|---|---|---|---|
| 2015, Johnson | 9.75 | -1.88 | -2.90 |
| 2016, Johnson | 10.23 | -1.71 | -2.32 |
| 2017, Johnson | 10.55 | -1.79 | -2.34 |
| 2018, Johnson | 10.30 | -1.94 | -2.57 |
| 2019, Johnson | 10.28 | -2.18 | -2.73 |
| 2020, Johnson | 10.34 | -2.12 | -2.81 |
| 2021, Johnson | 10.75 | -1.98 | -2.91 |
| 2022, Johnson | 11.01 | -2.14 | -4.03 |
| 2023, Johnson | 11.00 | -2.31 | -5.00 |
| 2024, Johnson | 11.01 | -2.39 | -5.47 |
Johnson County, IA: EIA-861 home prices, 2015 to 2024, not a Johnson County, IA price.
CSVCost of living with electricity in Johnson County, IA
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, IA
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 (1 = highest) |
|---|---|---|---|---|
| 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, IA
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 (1 = highest) |
|---|---|---|---|
| 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, IA: flood claims by state, flood hub.
Climate and electric heating in Johnson County, IA
Johnson County, IA totals 6,545 heating degree days and 860 cooling degree days a year (1991-2020 normal).
For heating, Johnson County, IA is the 65th coldest of 99 counties in Iowa: 6,545 against a median of 6,834. For cooling, Johnson County, IA is the 39th hottest: 860 against a median of 813.
Johnson County, IA is a cold-winter county, with 5,685 more heating than cooling degree days.
Johnson County, IA: 6,328 heating degree days in 2016-2025, 6,545 on the normal, 3% under.
In Johnson County, IA, 27.0% of 62,214 homes heat with electricity; the other 73.0% use another main heating fuel.
| Johnson County, IA | Value | IA median county | Johnson County, IA, rank (1 = highest) |
|---|---|---|---|
| Johnson County, IA, heating degree days, 1991-2020 normal | 6,545 | 6,834 | 65 of 99 |
| Johnson County, IA, heating degree days, 2016-2025 mean | 6,328 | 6,506 | 62 of 99 |
| Johnson County, IA, cooling degree days, 1991-2020 normal | 860 | 813 | 39 of 99 |
| Johnson County, IA, cooling degree days, 2016-2025 mean | 948 | 928 | 44 of 99 |
| Johnson County, IA, electric heating, ACS 2019-2023 | 27.0% | 22.3% | 24 of 99 |
Johnson County, IA: ACS B25040, 62,214 homes; NOAA nClimDiv, retrieved 7 Oct 2026.
Analyst note on Johnson County, IA
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 electricity 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, IA
Compare Johnson County, IA with its neighbours
- Washington County sits 16 miles south of Johnson County, IA, with 22,539 residents against 154,881 there, 88 storm events against 134, median home built 1962 against 1991, energy burden 3.7% against 1.6%, income $71,339 against $74,721.
- Iowa County sits 24 miles west of Johnson County, IA, with 16,547 residents against 154,881 there, 76 storm events against 134, median home built 1971 against 1991, energy burden 3.8% against 1.6%, income $72,185 against $74,721.
- Linn County sits 32 miles north of Johnson County, IA, with 229,463 residents against 154,881 there, 231 storm events against 134, median home built 1977 against 1991, energy burden 2.3% against 1.6%, income $76,421 against $74,721.
- Cedar County sits 26 miles northeast of Johnson County, IA, with 18,427 residents against 154,881 there, 114 storm events against 134, median home built 1962 against 1991, energy burden 3.9% against 1.6%, income $79,080 against $74,721.
- Louisa County sits 36 miles southeast of Johnson County, IA, with 10,710 residents against 154,881 there, 46 storm events against 134, median home built 1962 against 1991, energy burden 4.3% against 1.6%, income $80,223 against $74,721.
Cities in Johnson County, IA
- Iowa City electricity rates75,264 residents
ZIP codes in Johnson County, IA
- 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, IA
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.