Electric companies in Jefferson County, Missouri
Jefferson County, MO ranks 2nd of 114 Missouri counties for damaging wind risk, FEMA score 98.6. Jefferson County, MO has 228,227 residents. Jefferson County, MO: 3 utilities listed by EIA. Jefferson County, MO: home electricity prices of 12.56 to 15.33 cents per kWh.
Jefferson County, MO on the map
Jefferson County, MO darker: more storm events
Outage risk in Jefferson County, MO
Jefferson County, MO, NWS storm events 2015 to 2025: 98 in all, 42.9 per 100,000 residents of 228,227, rank 34 of 114 Missouri counties. Property damage in Jefferson County, MO: $990K, with 5 direct injuries or deaths.
Events by year in Jefferson County, MO
events a year, Jefferson County, MO
- 11'15
- 7'16
- 11'17
- 7'18
- 6'19
- 3'20
- 8'21
- 4'22
- 20'23
- 7'24
- 14'25
Events by type
| Jefferson County, MO | FEMA | Score | Rank | Events | Peak | Damage |
|---|---|---|---|---|---|---|
| Jefferson County, MO, thunderstorm and high wind | Very High | 98.6 | 2 of 114 | 61 | 2023 (14) | $55K |
| Jefferson County, MO, tornado | Relatively High | 95.1 | 6 of 114 | 11 | 2023 (3) | $935K |
| Jefferson County, MO, hurricane and tropical storm | Very Low | 23.7 | 51 of 114 | 0 | none | $0 |
| Jefferson County, MO, ice storm | Relatively Moderate | 69.4 | 62 of 114 | 1 | 2017 (1) | $0 |
| Jefferson County, MO, winter storm and heavy snow | Relatively Moderate | 84.1 | 12 of 114 | 11 | 2015 (3) | $0 |
| Jefferson County, MO, heat wave | Relatively Moderate | 92.1 | 19 of 114 | 14 | 2015 (3) | $0 |
Electric utilities in Jefferson County, MO
| Utility listed for Jefferson County, MO | Type | Home price ¢/kWh | Yearly bill at 1,001 kWh | Share of Jefferson County, MO median income of $80,522 |
|---|---|---|---|---|
| Union Electric Co in Jefferson County, MO | Investor Owned | 12.56 | $1,508 | 1.87% |
| Crawford Electric Coop, Inc in Jefferson County, MO | Cooperative | 12.78 | $1,535 | 1.91% |
| Citizens Electric Corporation in Jefferson County, MO | Cooperative | 15.33 | $1,841 | 2.29% |
Prices are statewide utility averages, not a county price.
Facts about Jefferson County, MO
- Residents of Jefferson County, MO, ACS 2023
- 228,2276 of 114 Missouri counties
- Households in Jefferson County, MO
- 87,0252.62 people each
- Owner-occupied homes in Jefferson County, MO
- 81.4%70,872 owner and 16,153 renter households
- Median household income in Jefferson County, MO
- $80,5228 of 114 Missouri counties
- Housing units in Jefferson County, MO
- 93,2766,251 vacant or seasonal, 6.7% of the units
- Homes heated by electricity in Jefferson County, MO
- 57.9%50,353 homes, 17 of 114 Missouri counties
- Utilities listed for Jefferson County, MO
- 33 with a home price: Union Electric Co, Crawford Electric Coop, Inc, Citizens Electric Corporation
- Lowest home price in Jefferson County, MO
- 12.56 ¢/kWhUnion Electric Co, 18.1% below the highest
- Highest home price in Jefferson County, MO
- 15.33 ¢/kWhCitizens Electric Corporation
- Monthly bill gap in Jefferson County, MO
- $28between the two at 1,001 kWh, $333 a year, 0.41% of the Jefferson County, MO median income
- ZIP areas touching Jefferson County, MO
- 1963010 to 63070
- Outage-linked storm events in Jefferson County, MO
- 98NWS storm events, 2015 to 2025
- Homes built before 1980 in Jefferson County, MO
- 41.4%median year built 1986
- Flood claims in Jefferson County, MO
- 623NFIP 2015 to 2025, $24.8M paid
- Home energy burden in Jefferson County, MO
- 2.3%$1,496 a year on electricity (DOE LEAD)
Electricity price since 2015 in Jefferson County, MO
Union Electric Co charged Jefferson County, MO homes 11.34 ¢/kWh in 2015. Jefferson County, MO: 12.56 ¢ in 2024, 11% up. Jefferson County, MO: against 15% up for the Missouri average.
Jefferson County, MO: a 1,001 kWh month at that price. Jefferson County, MO: $113 in 2015, $126 in 2024. Jefferson County, MO: $1,508 a year, 1.9% of the $80,522 median income.
Jefferson: 10 yearly prices
| Year | Union Electric Co, Jefferson County, MO | Jefferson: Gap to Missouri average | Jefferson: Gap to U.S. average |
|---|---|---|---|
| 2015, Jefferson | 11.34 | +0.13 | -1.31 |
| 2016, Jefferson | 10.73 | -0.48 | -1.82 |
| 2017, Jefferson | 11.19 | -0.44 | -1.70 |
| 2018, Jefferson | 10.90 | -0.44 | -1.97 |
| 2019, Jefferson | 10.38 | -0.76 | -2.63 |
| 2020, Jefferson | 10.35 | -0.87 | -2.80 |
| 2021, Jefferson | 10.81 | -0.60 | -2.85 |
| 2022, Jefferson | 11.35 | -0.39 | -3.69 |
| 2023, Jefferson | 12.29 | -0.29 | -3.71 |
| 2024, Jefferson | 12.56 | -0.35 | -3.92 |
Jefferson County, MO: EIA-861 home prices, 2015 to 2024, not a Jefferson County, MO price.
CSVCost of living with electricity in Jefferson County, MO
Jefferson County, MO: electricity $1,496 a year per home (DOE LEAD), all home energy $2,016, 2.3% of $86,362 income. 86,455 households in Jefferson County, MO spend about $129.3 million a year on electricity and $174.3 million on all home energy. Lower-income homes in Jefferson County, MO ($21,260 a year) spend 7.5% of income, 3.2 times the all-home figure.
Energy burden in Jefferson County, MO
| Jefferson County, MO | Homes | Income | Power | Gas | Other | Burden |
|---|---|---|---|---|---|---|
| Jefferson County, MO, all households | 86,455 | $86,362 | $1,496 | $482 | $38 | 2.3% |
| Jefferson County, MO, lower income | 18,331 | $21,260 | $1,270 | $290 | $35 | 7.5% |
| Jefferson County, MO, owners | 69,779 | $95,647 | $1,589 | $563 | $43 | 2.3% |
| Jefferson County, MO, renters | 16,676 | $47,512 | $1,107 | $142 | $14 | 2.7% |
Housing and heating in Jefferson County, MO
Jefferson County, MO: 38,585 of 93,276 homes were built before 1980 and 25,582 in 2000 or later. Jefferson County, MO has 74,314 detached houses, 5,125 homes in 5+ unit buildings, 8,882 mobile homes, and 16,153 of 87,025 households rent.
Age of homes in Jefferson County, MO
% of homes by decade built, Jefferson County, MO
- 3pre-40
- 340s
- 950s
- 1060s
- 1670s
- 1480s
- 1890s
- 1800s
- 810s
- 120+
Heating fuel in Jefferson County, MO
| Jefferson County, MO | Value | State median | Gap | Rank (1 = highest) |
|---|---|---|---|---|
| Jefferson County, MO, median year built | 1986 | 1979 | +7 years | 16 of 114 |
| Jefferson County, MO, built before 1980 | 41.4% | 52.5% | -11.2 points | 100 of 114 |
| Jefferson County, MO, built 2000 or later | 27.4% | 19.9% | +7.5 points | 17 of 114 |
| Jefferson County, MO, detached houses | 79.7% | 76.2% | +3.4 points | 31 of 114 |
| Jefferson County, MO, apartments in 5+ unit buildings | 5.5% | 3.3% | +2.2 points | 30 of 114 |
| Jefferson County, MO, mobile homes | 9.5% | 10.4% | -0.8 points | 67 of 114 |
| Jefferson County, MO, renter households | 18.6% | 24.1% | -5.5 points | 104 of 114 |
| Jefferson County, MO, median home value | $218,800 | $156,150 | +$62,650 | 14 of 114 |
| Jefferson County, MO, median gross rent a month | $972 | $752 | +$220 | 11 of 114 |
| Jefferson County, MO, people per household | 2.60 | 2.50 | +0.10 | 27 of 114 |
Flood claims and flood insurance in Jefferson County, MO
Jefferson County, MO: 623 NFIP flood claims in 2015 to 2025, $24.8M paid, median paid claim $30,837.
591 of 87,272 residential structures in Jefferson County, MO carry an NFIP contract. 690 NFIP policies of any type were in force in Jefferson County, MO on 8 Sep 2026. Jefferson County, MO lists 379 repetitive-loss properties, 135 of them severe repetitive loss.
Jefferson County, MO: claims history, not an outage count.
Flood claims by year in Jefferson County, MO
flood claims a year, Jefferson County, MO
- 242'15
- 41'16
- 196'17
- 8'18
- 31'19
- 9'20
- 6'21
- 28'22
- <5'23
- 56'24
- <5'25
| Jefferson County, MO | Value | Median county | Rank (1 = highest) |
|---|---|---|---|
| Jefferson County, MO, claims 2015-2025 | 623 | — | 3 of 70 |
| Jefferson County, MO, paid 2015-2025 | $24.8M | — | 3 of 70 |
| Jefferson County, MO, median paid claim | $30,837 | — | — |
| Jefferson County, MO, claims per 1,000 homes | 7.1 | 1.9 | 10 of 70 |
| Jefferson County, MO, homes with flood insurance | 0.7% | 0.2% | 14 of 104 |
| Jefferson County, MO, policies in force | 690 | — | — |
| Jefferson County, MO, repetitive-loss properties | 379 | — | — |
Jefferson County, MO: OpenFEMA NFIP, claims as of 8 Sep 2026, insured share as of 3 Aug 2026; counts under 5 are hidden.
Jefferson County, MO: flood claims by state, flood hub.
Climate and electric heating in Jefferson County, MO
Jefferson County, MO totals 4,582 heating degree days and 1,381 cooling degree days a year (1991-2020 normal).
For heating, Jefferson County, MO is the 78th coldest of 114 counties in Missouri: 4,582 against a median of 4,762. For cooling, Jefferson County, MO is the 25th hottest: 1,381 against a median of 1,295.
Jefferson County, MO runs furnace and air conditioner, 3,201 degree days apart.
Jefferson County, MO: 4,256 heating degree days in 2016-2025, 4,582 on the normal, 7% under.
Jefferson County, MO: 57.9% of 87,025 homes heat with electricity; 42.1% use gas, oil, wood or something else.
| Jefferson County, MO | Value | MO median county | Jefferson County, MO, rank (1 = highest) |
|---|---|---|---|
| Jefferson County, MO, heating degree days, 1991-2020 normal | 4,582 | 4,762 | 78 of 114 |
| Jefferson County, MO, heating degree days, 2016-2025 mean | 4,256 | 4,458 | 78 of 114 |
| Jefferson County, MO, cooling degree days, 1991-2020 normal | 1,381 | 1,295 | 25 of 114 |
| Jefferson County, MO, cooling degree days, 2016-2025 mean | 1,533 | 1,424 | 26 of 114 |
| Jefferson County, MO, electric heating, ACS 2019-2023 | 57.9% | 42.0% | 17 of 114 |
Jefferson County, MO: ACS B25040, 87,025 homes; NOAA nClimDiv, retrieved 7 Oct 2026.
Analyst note on Jefferson County, MO
Jefferson County, MO counts 228,227 residents in 87,025 households. Jefferson County, MO touches 19 ZIP areas, 63010 to 63070, about 12,012 residents each. Household income in Jefferson County, MO is $80,522; 70,872 of its 87,025 households own.
50,353 of the 87,025 homes in Jefferson County, MO heat with electricity. Jefferson County, MO has 93,276 housing units, 6,251 (6.7%) vacant or seasonal, and 16,153 rented homes. Jefferson County, MO logged 98 storm events for its 228,227 residents.
The median home in Jefferson County, MO dates from 1986. Homes in Jefferson County, MO pay $1,496 a year for electricity. Jefferson County, MO home electricity prices run Union Electric Co to Citizens Electric Corporation, $28 a month apart at 1,001 kWh.
Bill and heat pump calculator, Jefferson County, MO
Compare Jefferson County, MO with its neighbours
- St. Louis County sits 22 miles north of Jefferson County, MO, with 996,618 residents against 228,227 there, 188 storm events against 98, median home built 1968 against 1986, energy burden 2.0% against 2.3%, income $81,340 against $80,522.
- St. Francois County sits 32 miles south of Jefferson County, MO, with 66,864 residents against 228,227 there, 81 storm events against 98, median home built 1981 against 1986, energy burden 2.9% against 2.3%, income $54,813 against $80,522.
- Washington County sits 29 miles southwest of Jefferson County, MO, with 23,483 residents against 228,227 there, 55 storm events against 98, median home built 1984 against 1986, energy burden 3.5% against 2.3%, income $51,886 against $80,522.
- Ste. Genevieve County sits 30 miles southeast of Jefferson County, MO, with 18,551 residents against 228,227 there, 43 storm events against 98, median home built 1981 against 1986, energy burden 3.0% against 2.3%, income $61,310 against $80,522.
- St. Charles County sits 38 miles north of Jefferson County, MO, with 409,830 residents against 228,227 there, 130 storm events against 98, median home built 1994 against 1986, energy burden 1.8% against 2.3%, income $102,912 against $80,522.
ZIP codes in Jefferson County, MO
- 63010
- 63012
- 63015
- 63016
- 63019
- 63020
- 63023
- 63025
- 63026
- 63028
- 63047
- 63048
- 63049
- 63050
- 63051
- 63052
- 63053
- 63069
- 63070
Missouri: home prices since 2001, planned plants.
Questions on Jefferson County, MO
Jefferson County, MO: what do homes pay for electricity?
Jefferson County, MO homes paid 12.56 to 15.33 cents per kWh in 2024 across 3 listed utilities: $126 to $153 a month at 1,001 kWh, 1.87% to 2.29% of Jefferson County, MO income.
Jefferson County, MO: how many homes heat with electricity?
Jefferson County, MO: 50,353 of 87,025 occupied homes, 57.9%, rank 17 of 114.
Jefferson County, MO: median household income?
$80,522 in Jefferson County, MO, rank 8 of 114; 228,227 residents, 87,025 households.
Jefferson County, MO: outage-linked storms since 2015?
Jefferson County, MO: 98 NWS events, peak year 2023.
Jefferson County, MO: flood insurance claims since 2015?
Jefferson County, MO: 623 NFIP flood claims, $24.8M paid, 7.1 per 1,000 homes, 0.7% of homes insured.
How old are the homes in Jefferson County, MO?
Jefferson County, MO: median home built 1986; 41.4% predate 1980, 79.7% detached, 5.5% in 5+ unit buildings.
Jefferson County, MO: share of income for energy?
Jefferson County, MO homes spend $1,496 a year on electricity, $2,016 on all energy: 2.3% of $86,362; 7.5% for lower incomes.