Electric companies in Jefferson County, Wisconsin
Jefferson County, WI ranks 11 of 72 Wisconsin counties for the highest median home value ($253,800). Jefferson County in Wisconsin has 85,867 residents and 6 utilities listed by EIA, with home prices of 11.87 to 19.23 cents per kWh.
Jefferson County on the map
Jefferson County darker: more storm events
Housing and heating in Jefferson County
Jefferson County, WI: 21,192 of 36,649 homes were built before 1980 and 7,289 in 2000 or later. Jefferson County, WI has 26,023 detached houses, 4,961 homes in 5+ unit buildings, 1,338 mobile homes, and 9,331 of 34,455 households rent.
Age of homes in Jefferson County, WI
% of homes by decade built, Jefferson County, WI
- 24pre-40
- 440s
- 1050s
- 860s
- 1370s
- 880s
- 1490s
- 1400s
- 510s
- 120+
Heating fuel in Jefferson County, WI
| Jefferson County, WI | Value | State median | Gap | Rank |
|---|---|---|---|---|
| Jefferson County, WI, median year built | 1974 | 1977 | -3 years | 50 of 72 |
| Jefferson County, WI, built before 1980 | 57.8% | 55.5% | +2.3 points | 25 of 72 |
| Jefferson County, WI, built 2000 or later | 19.9% | 20.2% | -0.3 points | 39 of 72 |
| Jefferson County, WI, detached houses | 71.0% | 76.4% | -5.4 points | 54 of 72 |
| Jefferson County, WI, apartments in 5+ unit buildings | 13.5% | 8.0% | +5.5 points | 19 of 72 |
| Jefferson County, WI, mobile homes | 3.7% | 4.8% | -1.1 points | 50 of 72 |
| Jefferson County, WI, renter households | 27.1% | 23.4% | +3.7 points | 22 of 72 |
| Jefferson County, WI, median home value | $253,800 | $209,350 | +$44,450 | 11 of 72 |
| Jefferson County, WI, median gross rent a month | $1,012 | $860 | +$152 | 13 of 72 |
| Jefferson County, WI, people per household | 2.39 | 2.35 | +0.04 | 24 of 72 |
Electric utilities in Jefferson County
| Utility listed for Jefferson County, WI | Type | Home price ¢/kWh | Yearly bill at 645 kWh | Share of Jefferson County, WI median income of $80,604 |
|---|---|---|---|---|
| Jefferson Utilities in Jefferson County, WI | Municipal | 11.87 | $919 | 1.14% |
| Lake Mills Light & Water in Jefferson County, WI | Municipal | 13.86 | $1,073 | 1.33% |
| Waterloo Light & Water Comm in Jefferson County, WI | Municipal | 13.92 | $1,078 | 1.34% |
| Wisconsin Power & Light Co in Jefferson County, WI | Investor Owned | 16.89 | $1,308 | 1.62% |
| Adams-Columbia Electric Coop in Jefferson County, WI | Cooperative | 17.63 | $1,365 | 1.69% |
| Wisconsin Electric Power Co in Jefferson County, WI | Investor Owned | 19.23 | $1,489 | 1.85% |
Prices are statewide utility averages, not a county price.
Facts about Jefferson County
- Residents of Jefferson County, WI, ACS 2023
- 85,86720 of 72 Wisconsin counties
- Households in Jefferson County, WI
- 34,4552.49 people each
- Owner-occupied homes in Jefferson County, WI
- 72.9%25,124 owner and 9,331 renter households
- Median household income in Jefferson County, WI
- $80,60411 of 72 Wisconsin counties
- Housing units in Jefferson County, WI
- 36,6492,194 vacant or seasonal, 6.0% of the units
- Homes heated by electricity in Jefferson County, WI
- 16.6%5,724 homes, 20 of 72 Wisconsin counties
- Utilities listed for Jefferson County, WI
- 66 with a home price: Jefferson Utilities, Lake Mills Light & Water, Waterloo Light & Water Comm
- Lowest home price in Jefferson County, WI
- 11.87 ¢/kWhJefferson Utilities, 38.3% below the highest
- Highest home price in Jefferson County, WI
- 19.23 ¢/kWhWisconsin Electric Power Co
- Monthly bill gap in Jefferson County, WI
- $48between the two at 645 kWh, $570 a year, 0.71% of the Jefferson County, WI median income
- ZIP areas touching Jefferson County, WI
- 1253036 to 53594
- Outage-linked storm events in Jefferson County, WI
- 114NWS storm events, 2015 to 2025
- Homes built before 1980 in Jefferson County, WI
- 57.8%median year built 1974
- Flood claims in Jefferson County, WI
- 11NFIP 2015 to 2025, $546K paid
- Home energy burden in Jefferson County, WI
- 2.3%$1,148 a year on electricity (DOE LEAD)
Outage risk in Jefferson County
Jefferson County, WI, NWS storm events 2015 to 2025: 114 in all, 132.8 per 100,000 residents of 85,867, rank 16 of 72 Wisconsin counties. Property damage in Jefferson County, WI: $950K.
Events by year in Jefferson County, WI
events a year, Jefferson County, WI
- 5'15
- 11'16
- 15'17
- 10'18
- 11'19
- 1'20
- 8'21
- 14'22
- 19'23
- 11'24
- 9'25
Events by type
| Jefferson County, WI | FEMA | Score | Rank | Events | Peak | Damage |
|---|---|---|---|---|---|---|
| Jefferson County, WI, thunderstorm and high wind | Relatively Moderate | 67.0 | 29 of 72 | 67 | 2017 (15) | $484K |
| Jefferson County, WI, tornado | Relatively Moderate | 86.1 | 12 of 72 | 17 | 2024 (5) | $450K |
| Jefferson County, WI, hurricane and tropical storm | Very Low | 14.4 | 15 of 66 | 0 | none | $0 |
| Jefferson County, WI, ice storm | Relatively Low | 43.9 | 28 of 72 | 0 | none | $0 |
| Jefferson County, WI, winter storm and heavy snow | Relatively Low | 58.9 | 28 of 72 | 19 | 2023 (5) | $15K |
| Jefferson County, WI, heat wave | Relatively Low | 71.3 | 21 of 72 | 11 | 2018 (3) | $0 |
Cost of living with electricity in Jefferson County
Jefferson County, WI: electricity $1,148 a year per home (DOE LEAD), all home energy $2,079, 2.3% of $89,659 income. 34,102 households in Jefferson County, WI spend about $39.1 million a year on electricity and $70.9 million on all home energy. Lower-income homes in Jefferson County, WI ($23,767 a year) spend 6.5% of income, 2.8 times the all-home figure.
Energy burden in Jefferson County, WI
| Jefferson County, WI | Homes | Income | Power | Gas | Other | Burden |
|---|---|---|---|---|---|---|
| Jefferson County, WI, all households | 34,102 | $89,659 | $1,148 | $823 | $108 | 2.3% |
| Jefferson County, WI, lower income | 8,150 | $23,767 | $933 | $525 | $90 | 6.5% |
| Jefferson County, WI, owners | 24,941 | $105,682 | $1,300 | $1,023 | $135 | 2.3% |
| Jefferson County, WI, renters | 9,161 | $46,037 | $734 | $276 | $35 | 2.3% |
Flood claims and flood insurance in Jefferson County
Jefferson County, WI: 11 NFIP flood claims in 2015 to 2025, $546K paid, median paid claim $6,908.
153 of 29,930 residential structures in Jefferson County, WI carry an NFIP contract. 177 NFIP policies of any type were in force in Jefferson County, WI on 8 Sep 2026. Jefferson County, WI lists 28 repetitive-loss properties.
Jefferson County, WI: claims history, not an outage count.
| Jefferson County, WI | Value | Median county | Rank |
|---|---|---|---|
| Jefferson County, WI, claims 2015-2025 | 11 | — | 34 of 54 |
| Jefferson County, WI, paid 2015-2025 | $546K | — | 21 of 54 |
| Jefferson County, WI, median paid claim | $6,908 | — | — |
| Jefferson County, WI, claims per 1,000 homes | 0.4 | 1.0 | 45 of 54 |
| Jefferson County, WI, homes with flood insurance | 0.5% | 0.4% | 17 of 71 |
| Jefferson County, WI, policies in force | 177 | — | — |
| Jefferson County, WI, repetitive-loss properties | 28 | — | — |
Jefferson County, WI: OpenFEMA NFIP, claims as of 8 Sep 2026, insured share as of 3 Aug 2026; counts under 5 are hidden.
Jefferson County: flood claims by state, flood hub.
Analyst note on Jefferson County
Jefferson County, WI counts 85,867 residents in 34,455 households. Household income in Jefferson County, WI is $80,604; 25,124 of its 34,455 households own. Jefferson County, WI touches 12 ZIP areas, 53036 to 53594, about 7,156 residents each.
5,724 of the 34,455 homes in Jefferson County, WI heat with electricity. Jefferson County, WI has 36,649 housing units, 2,194 (6.0%) vacant or seasonal, and 9,331 rented homes. Jefferson County, WI logged 114 storm events for its 85,867 residents.
The median home in Jefferson County, WI dates from 1974. Homes in Jefferson County, WI pay $1,148 a year for electricity. Jefferson County, WI home prices run Jefferson Utilities to Wisconsin Electric Power Co, $48 a month apart at 645 kWh.
Bill and heat pump calculator, Jefferson County
Compare Jefferson County with its neighbours
- Dodge County sits 24 miles north of Jefferson County, WI with 88,818 residents, 130 storm events, median home built 1970, energy burden 2.9%, income $73,992.
- Walworth County sits 28 miles southeast of Jefferson County, WI with 105,447 residents, 126 storm events, median home built 1977, energy burden 2.3%, income $77,359.
- Waukesha County sits 27 miles east of Jefferson County, WI with 409,040 residents, 152 storm events, median home built 1981, energy burden 1.7%, income $104,100.
- Rock County sits 34 miles southwest of Jefferson County, WI with 163,944 residents, 133 storm events, median home built 1970, energy burden 2.9%, income $74,390.
- Washington County sits 34 miles northeast of Jefferson County, WI with 137,320 residents, 80 storm events, median home built 1984, energy burden 2.0%, income $95,851.
ZIP codes in Jefferson County
- 53036
- 53038
- 53094
- 53137
- 53156
- 53178
- 53190
- 53523
- 53538
- 53549
- 53551
- 53594
Wisconsin: home prices since 2001, planned plants. 249 MW planned in this county.
Questions on Jefferson County
Jefferson County, WI: what do homes pay for electricity?
Jefferson County, WI homes paid 11.87 to 19.23 cents per kWh in 2024 across 6 listed utilities: $77 to $124 a month at 645 kWh, 1.14% to 1.85% of Jefferson County, WI income.
Jefferson County, WI: how many homes heat with electricity?
Jefferson County, WI: 5,724 of 34,455 occupied homes, 16.6%, rank 20 of 72.
Jefferson County, WI: median household income?
$80,604 in Jefferson County, WI, rank 11 of 72; 85,867 residents, 34,455 households.
Jefferson County, WI: outage-linked storms since 2015?
Jefferson County, WI: 114 NWS events, peak year 2023.
Jefferson County, WI: flood insurance claims since 2015?
Jefferson County, WI: 11 NFIP flood claims, $546K paid, 0.4 per 1,000 homes, 0.5% of homes insured.
How old are the homes in Jefferson County, WI?
Jefferson County, WI: median home built 1974; 57.8% predate 1980, 71.0% detached, 13.5% in 5+ unit buildings.
Jefferson County, WI: share of income for energy?
Jefferson County, WI homes spend $1,148 a year on electricity, $2,079 on all energy: 2.3% of $89,659; 6.5% for lower incomes.