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The Summerfield handbook

Living in Summerfield, TX: what to set up and who to call

Summerfield has no town government of its own, so Castro County runs its elections and most services, and its children attend Hereford Independent School District. Almost every address in Summerfield can get fiber (100%, by the FCC’s map).

Which school will my kid attend?How do I register to vote?ZIP codes
Summerfield has no town government. It’s a census-designated place in Castro County, so the county and regional agencies provide most services. This page answers what we can; the same answers appear on Summerfield’s town page under “Getting set up”.

I’m new in town

What to set up in Summerfield, and who provides it. Tap an answer for the details and where they come from.

PowerXcel Energyinvestor-owned utility · 13.9¢/kWhMore →Internet4 providers100% of addresses get 100/20 MbpsMore →Trash & dumpNot on file yetWe don’t have Summerfield’s trash rules yetMore →SchoolHereford Independent School DistrictWhich school depends on grade and addressMore →Register to voteIn personRules from vote.govMore →ZIP code79085Where people live, not P.O. boxesMore →
Home services

Power, water and internet

Who to call to start service at a new address in Summerfield.

Electricity

Power comes from Xcel Energy

Xcel Energy (Southwestern Public Service Co.), an investor-owned utility, serves all of Summerfield. Its homes paid an average of 13.9¢ per kWh in 2025, about $131 a month (its average across Texas).

Start or move service: xcelenergy.com · (800) 895-4999

Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.

Internet

4 home internet providers serve Summerfield

100% of 21 addresses can get 100/20 Mbps; 100% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
West Texas Rural Telephone CooperativeFiber100%2,500/2,500
AW BroadbandFixed wireless100%100/20
T-MobileFixed wireless71%100/20
AT&TFixed wireless62%100/20

FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.

Trash & recycling

We don’t have Summerfield’s trash rules yet

Pickup rules, the dump and recycling in Summerfield.

Trash, recycling and bulk pickupNot on fileSummerfield has no town government of its own, so look for trash and recycling rules on the county’s site.
Schools

Where your child goes to school

Public school districts and the school path by grade.

Summerfield kids go to
K–54 elementary schoolsDepends on your address
6–7Hereford J Hin Hereford
9–12Hereford H Sin Hereford

Summerfield is in Hereford Independent School District.

Test scores and every school: see Schools →

U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.

Government & voting

No town hall: the county runs things

Summerfield is unincorporated, so Castro County is the local government.

Local governmentCastro CountySummerfield is a census-designated place: no town hall of its ownCensus
Who runs elections hereCastro County Early Voting ClerkElections here are run by Castro County (county election office). 100 East Bedford, Room 113, Dimmitt, TX 79027 · (806) 647-2208FVAP, Jun 2025
Register to voteIn personTexas has no online registration; you can register in person until 30 days before Election Day or by mail (postmarked 30 days before).vote.govCheck your registration and polling placeteamrv-mvp.sos.texas.govThe state’s voter lookup

Election office: FVAP local election office directory, updated Jun 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.

ZIP codes & area codes

Summerfield is in ZIP code 79085

ZIP codes where Summerfield residents live, with the share of the town in each.

ZIPPost office nameShare of SummerfieldZIP’s residents in Summerfield
79085Summerfield, TX100%100%

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

Getting around, the ER and the library

One line each; the subject pages have the rest.

Nearest emergency roomHereford Regional Medical Center8.7 miles awayGet a library cardDeaf Smith County Library211 E 4th St. · (806) 364-1206

ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.

Questions about living in Summerfield

Who provides electricity in Summerfield?

Xcel Energy (Southwestern Public Service Co.), an investor-owned utility. Its homes paid about 13.9¢ per kWh in 2025 (EIA).

What internet providers serve Summerfield?

West Texas Rural Telephone Cooperative, AW Broadband, T-Mobile, AT&T (FCC, as of December 2025).

What ZIP codes are in Summerfield?

79085. Census 2020 ZIP Code Tabulation Areas.

What school district is Summerfield in?

Hereford Independent School District.

How do I register to vote in Summerfield?

Texas has no online registration; you can register in person until 30 days before Election Day or by mail (postmarked 30 days before). Elections here are run by the Castro County Early Voting Clerk. Check your registration at teamrv-mvp.sos.texas.gov.

Sources & dates

Every answer above names its source. Here they are with their dates.

  • Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
  • Trash: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
  • ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
  • Schools: NCES Common Core of Data, 2024–25.
  • Registration: vote.gov, updated Nov 18, 2024 (read Oct 10, 2026). Official sites and area codes: Wikidata.
  • Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
  • Internet: FCC National Broadband Map, as of December 2025.