# Lavon, Texas electricity: Oncor wires, 1 split ZIP code to check

_Updated October 19, 2026. Data: ERCOT Oct 5, 2026; Power to Choose Oct 19, 2026, 7:59 AM CT._

**In short:** ERCOT counts 3,677 active residential meters with a Lavon address, all on Oncor's wires (October 5, 2026). 1 of Lavon's ZIP codes is split, so most addresses can shop, but yours needs a check.

## Moving to Lavon

Local numbers for setting up a home in Lavon, each checked on the official source. More contacts: https://powerhopper.energy/texas-electricity/lavon/move-in-information

- **Water and utility billing:** utility billing (start, transfer or stop water service), 972-843-4220.
- **Trash pickup:** Community Waste Disposal (CWD): trash and recycling, 972-392-9300.
- **Natural gas:** Atmos Energy: customer service, 888-286-6700.
- **Public schools:** Community ISD.
- **Driver license:** Texas DPS Driver License Office: Rockwall, 512-424-2600.

## Who delivers electricity in Lavon?
ERCOT counts 3,677 active residential meters with a Lavon address, all on Oncor's wires (October 5, 2026).

## Can every address in Lavon choose?
Split ZIP codes holding Lavon homes: 75189. They carry 32 of the 3,677 competitive homes with a Lavon address (1%); on those streets a neighbor's utility can differ from yours.

## What is different about Lavon?
- Population: 4,472 (2020 base) to 11,888 (July 2025), +165.8%, per Census Vintage 2025 estimates. The largest one-year change was +3,420 people, from July 2024 to July 2025. July 1 estimates in between: 5,335 (2021), 6,522 (2022), 7,550 (2023), 8,468 (2024). (Source: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv)
- Lavon covers 4.3 square miles of land (Census 2025 Gazetteer). That works out to about 2,770 residents and 484 occupied households per square mile of land, with roughly 5.7 residents for every Lavon household. (Source: https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html, https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv, https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/)
- Mailing addresses stretch past city limits here. 3,677 competitive residential meters use Lavon as their postal city, while the city itself has 2,077 Census households, a ratio of 1.77. Because Lavon has grown 166 percent since the 2020 base, the ACS 2020-2024 household figure likely runs behind today's count. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203, https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/)
- Of the 3,564,530 homes Oncor serves on the competitive market, 0.1% have a Lavon mailing address. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- Meter additions, Oct. 7-18, 2026 (ERCOT daily files): 10 across Lavon's core ZIP codes, led by 75166 at 10; vacant-to-active switches over those days: 34. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- On October 5, 2026, ERCOT showed 360 home meters switched off (de-energized) in the ZIP codes most Lavon homes use, against 3,645 switched on; that 9.0 percent is mostly vacant houses and apartments between occupants. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- One ZIP code, 75166, holds almost every Lavon-addressed competitive home (3,645). Taken whole, 75166 has 1.62 competitive meters per Census household: 3,645 meters, 2,253 households. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203, https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/)
- Among the 30 cities and towns that reach into Collin County, Lavon places 16 for competitive homes on its postal city; the next one up is Melissa, at 3,808. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- By the Census Bureau's 2025 estimates, Lavon is the number 18 city or town by population among the 32 that reach into Collin County, one place ahead of Fairview (10,913 residents). (Source: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv)
- Electric bills over $250 a month: 27.8 percent of households in 75166, Lavon's main ZIP code, per the ACS 2020-2024; the same survey puts median household income there at $132,101 and the renter share at 9.1 percent. (Source: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/)
- Neighbors differ: Rockwall, about 7 miles away, has 20,168 competitive homes on its postal city, while Josephine manages 0.57 per household. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203, https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/)

## By the numbers
- Population (July 1, 2025 estimate): 11,888
- Population (2020 estimates base): 4,472
- Occupied households (ACS 2020-2024): 2,077
- Active residential meters with a Lavon address: 3,677
- Active business meters with a Lavon address: 289
- Residential meters per Census household: 1.77
- Delivery utilities (homes): Oncor 3,677
- Counties: Collin
- ZIP codes touching Lavon: 2
- Split ZIP codes (flagged below): 1

## Plan prices (median ¢/kWh at 500 / 1,000 / 2,000 kWh)
- Oncor: 14.1 / 13.4 / 13.2; delivery 6.8673¢/kWh + $4.06/mo

## ZIP codes
**Not every address in these ZIP codes has retail choice; check your exact address.**

| ZIP | Postal cities | Land in city | Competitive homes | Households | Ratio | Notes |
|---|---|---|---|---|---|---|
| 75189 | Royse City 85%, Fate 13%, Nevada 2% | 0% | 8,112 | 15,743 | 0.52 | Split. Partial coverage. 11 new residential meters Oct 7-18, 2026. Mostly outside Lavon city limits. |
| 75166 | Lavon 100% | 24% | 3,645 | 2,253 | 1.62 | Near-full coverage. 10 new residential meters Oct 7-18, 2026. |

## Business electricity in Lavon
289 active business meters. Power Hopper compares offers from retail electric providers and direct suppliers; for high-consumption businesses we can run a competitive bid. No savings or bidder count is promised. Businesses in Texas retail-choice areas can request a rate review online.

## Questions
**Can I choose my electricity provider in Lavon?** Most Lavon homes can. ERCOT's October 5, 2026 extract has 3,677 Lavon-addressed homes on Oncor's competitive system, compared with 2,077 households in the Census survey. Addresses in 75189 (split) need an exact-address check before you shop.
**What is the biggest Lavon ZIP code for electricity customers?** 75166. It holds 3,645 Lavon-addressed competitive homes; counting every address in the ZIP, ERCOT has 3,645 meters for roughly 2,253 households, a 1.62 ratio.
**How much is electricity in Lavon right now?** On October 19, 2026, the median fixed-rate Power to Choose listing on Oncor's wires was 13.4¢ per kWh at 1,000 kWh a month (170 listings); Oncor's delivery charge of 6.8673¢ per kWh plus $4.06 a month is included. A median is not a quote.
**How do I start electric service at a new Lavon address?** Start with the address check: Oncor-delivered Lavon homes choose among the plans offered there and set a start date. Turnover is real in 75166, where 14.9% moved in the past year (ACS); ERCOT logged 34 vacant-to-active meters in 75166 Oct. 7-18, 2026.
**Why are there more electric meters than households in Lavon?** 3,677 Lavon-addressed meters against 2,077 city households is 1.77 per household: the Lavon postal area extends past city limits, and new homes get meters before the Census counts them. It doesn't mean every nearby address can choose.
**Who restores power in Lavon after an outage?** Call Oncor (oncor.com/outages), the wires utility for Lavon's 3,677 competitive homes; a retail provider can't fix lines.

## Sources
- ERCOT TDSP ESIID Extract (report 203): full extract as of Oct 5, 2026; daily files Oct 7-18, 2026: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203
- Census ACS 2020-2024 5-year estimates (B25003 households, B01003 population): https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/
- Census Vintage 2025 city and town population estimates: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv
- Census 2020 ZCTA-to-place and ZCTA-to-county relationship files: https://www2.census.gov/geo/docs/maps-data/data/rel2020/zcta520/
- EIA-861 (2024) utility service territories by county: https://www.eia.gov/electricity/data/eia861/
- PUCT Power to Choose residential offer export, Oct 19, 2026, 7:59 AM CT: https://www.powertochoose.org/en-us/Plan/ExportToCsv
- PUCT: Choosing an Electric Plan: https://www.puc.texas.gov/consumer-help/electricity/electric-plan/
- PUCT broker directory (BR260201): https://www.puc.texas.gov/industry/electric/directories/brk/alpha_brk/
- Oncor Electric Delivery: https://www.oncor.com/
- Oncor delivery tariff (effective October 4, 2026): https://interchange.puc.texas.gov/Documents/59249_105_1676040.PDF
- Census Bureau Vintage 2025 city and town population estimates: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv
- Census Bureau 2025 Gazetteer Files, Texas places (land and water area): https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html
- Census Bureau Vintage 2025 city and town population estimates: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv
- Census ACS 2020-2024 5-year, table B25003: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/
- ERCOT TDSP ESIID Extract (report 203), Oct 5, 2026: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203
- Census ACS 2020-2024 5-year, table B25003: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/
- ERCOT TDSP ESIID Extract (report 203), Oct 5, 2026: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203
- ERCOT daily TDSP ESIID Extract files, Oct 7-18, 2026, via Power Hopper's Oct 18 ZIP study: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203
- ERCOT TDSP ESIID Extract (report 203), Oct 5, 2026: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203
- ERCOT TDSP ESIID Extract (report 203), Oct 5, 2026: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203
- Census ACS 2020-2024 5-year, table B25003: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/
- ERCOT TDSP ESIID Extract (report 203), Oct 5, 2026: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203
- Census Bureau Vintage 2025 city and town population estimates: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv
- Census ACS 2020-2024 5-year, table B25003: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/
- ERCOT TDSP ESIID Extract (report 203), Oct 5, 2026: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203
- Census ACS 2020-2024 5-year, table B25003: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/

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