# La Marque, Texas electricity: TNMP wires, 2 split ZIP codes to check

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

**In short:** La Marque homes in ERCOT's competitive data are on TNMP's wires (6,258) and CenterPoint's wires (1,868). 2 of La Marque's ZIP codes are split, so most addresses can shop, but yours needs a check.

## Moving to La Marque

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

- **Water and utility billing:** utility billing (start, transfer or stop water service), 409-938-9209.
- **Trash pickup:** WM (Waste Management): trash and recycling, 800-800-5804.
- **Natural gas:** CenterPoint Energy: gas customer service (Houston area), 713-659-2111.
- **Public schools:** Texas City ISD, Hitchcock ISD, Santa Fe ISD.
- **Driver license:** Texas DPS Driver License Office: Texas City, 512-424-2600.

## Who delivers electricity in La Marque?
La Marque homes in ERCOT's competitive data are on TNMP's wires (6,258) and CenterPoint's wires (1,868).

## Can every address in La Marque choose?
8,126 of 8,126 La Marque-addressed competitive homes (100%) are in split ZIP codes (77568, 77510), where a neighbor may have a different utility.

## What is different about La Marque?
- The Census Bureau's July 1, 2025 estimate for La Marque is 20,324 people, up 10.6% on the 2020 estimates base of 18,380. The largest one-year change was +574 people, from July 2023 to July 2024. (Source: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv)
- Of the 242,585 homes TNMP serves on the competitive market, 3.3% have a La Marque mailing address. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- ERCOT's daily files for Oct. 7-18, 2026 show 22 brand-new residential meters across La Marque's main ZIP codes (22 of them in 77568) and 15 meters going from vacant to active. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- 527 of the 9,736 home meters in La Marque's main ZIP codes (5.4%) were de-energized on October 5, 2026, typically a vacant unit awaiting its next account. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- Nearly all La Marque-addressed competitive homes (8,126) are in one ZIP code, 77568, which it shares with Texas City (1,083 homes). ZIP-wide, ERCOT counts 9,209 competitive meters for 9,006 Census households, a 1.02 ratio. (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 competitive homes on its postal city, La Marque is number 8 of the 11 cities and towns touching Galveston County, just behind Santa Fe (9,111). (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- In 77568, the ZIP holding most La Marque homes, the ACS 2020-2024 survey finds a median household income of $74,694, 28.0% renters and 29.7% of households with $250+ monthly electric bills. (Source: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/)
- By land area, 82% of La Marque lies in ZIP 77568 and 12% in 77563 (Census 2020 ZCTA-to-place file); 3 ZIP codes cover at least 5% of the city each. (Source: https://www2.census.gov/geo/docs/maps-data/data/rel2020/zcta520/)
- Of La Marque's six nearest towns, League City has the most competitive homes (40,501, 11 mi away) and League City the fewest per household (0.94). (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): 20,324
- Population (2020 estimates base): 18,380
- Occupied households (ACS 2020-2024): 7,396
- Active residential meters with a La Marque address: 8,126
- Active business meters with a La Marque address: 1,108
- Residential meters per Census household: 1.1
- Delivery utilities (homes): TNMP 6,258; CenterPoint 1,868
- Counties: Galveston
- ZIP codes touching La Marque: 3
- Split ZIP codes (flagged below): 2

## Plan prices (median ¢/kWh at 500 / 1,000 / 2,000 kWh)
- TNMP: 16.1 / 15.1 / 14.7; delivery 7.771¢/kWh + $7.56/mo
- CenterPoint: 14 / 13.2 / 13; delivery 6.5333¢/kWh + $4.90/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 |
|---|---|---|---|---|---|---|
| 77568 | La Marque 88%, Texas City 12% | 77% | 9,209 | 9,006 | 1.02 | Split. Near-full coverage. Two delivery utilities: TNMP 7,341, CenterPoint 1,868 homes. 22 new residential meters Oct 7-18, 2026. |
| 77510 | Santa Fe 97%, Texas City 3% | 3% | 6,643 | 5,441 | 1.22 | Split. Near-full coverage. Two delivery utilities: CenterPoint 6,413, TNMP 230 homes. Mostly outside La Marque city limits. |
| 77563 | Hitchcock 100% | 4% | 4,895 | 4,052 | 1.21 | Near-full coverage. Mostly outside La Marque city limits. |

## Business electricity in La Marque
1,108 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
**Is La Marque deregulated for electricity?** Yes, where TNMP or CenterPoint's wires reach the house, which in La Marque is most of the city: 8,126 homes with a La Marque mailing address were on the competitive market on October 5, 2026, 1.1 for each Census household. Split ZIP codes for La Marque: 77568, 77510; on those, check the exact address.
**What is the biggest La Marque ZIP code for electricity customers?** 77568, with 9,209 competitive homes in ERCOT's data (8,126 addressed to La Marque) against roughly 9,006 Census households, a 1.02 ratio.
**How many businesses in La Marque are on the competitive electricity market?** Yes, where TNMP delivers: 1,108 La Marque-addressed business meters are on the competitive market in ERCOT's data, and large accounts can also buy from commercial suppliers directly.
**How do I start electric service at a new La Marque address?** Start with the address check: TNMP-delivered La Marque homes choose among the plans offered there and set a start date. Turnover is real in 77568, where 18.3% moved in the past year (ACS); ERCOT logged 15 vacant-to-active meters in 77568 Oct. 7-18, 2026.
**Who restores power in La Marque after an outage?** The delivery utility for your street. ERCOT puts La Marque homes on TNMP (6,258 homes) and CenterPoint (1,868 homes) wires; your retail provider does not run the 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/
- Texas-New Mexico Power (TNMP): https://tnmp.com/
- CenterPoint Energy Houston Electric: https://www.centerpointenergy.com/
- TNMP delivery tariff (effective September 13, 2026): https://tnmp.com/sites/default/files/inline-images/TNMP%20Retail%20Tariff%20%2858964%29.pdf
- CenterPoint delivery tariff (effective October 1, 2026): https://ftp.puc.texas.gov/public/puct-info/industry/electric/rates/tdr/tdu/CenterPoint_Rate_Report.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
- 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 ACS 2020-2024 5-year, table B25003: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/
- Census 2020 ZCTA-to-place relationship file: https://www2.census.gov/geo/docs/maps-data/data/rel2020/zcta520/
- 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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