Guest, Sign inJoin

Post to Round Mountain

We’ll email a one-tap link to publish your post. No password, and nothing is public until you click it.
Already a member? Sign in
The Round Mountain handbook

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

Power in Round Mountain comes from Pedernales Electric Coop, a cooperative utility rather than a private company. The nearest library is Johnson City Library, 8.4 miles away.

Which school will my kid attend?How do I register to vote?ZIP codes

I’m new in town

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

PowerPedernales Electric Coopcooperative utility · 12.8¢/kWhMore →
InternetWhich providers serve Round MountainData pending · FCC map (D4)
Trash & dumpNot on file yetWe don’t have Round Mountain’s trash rules yetMore →SchoolJohnson City Independent School DistrictWhich school depends on grade and addressMore →Register to voteIn personRules from vote.govMore →ZIP codes78663, 78636Where people live, not P.O. boxesMore →
Home services

Power, water and internet

Who to call to start service at a new address in Round Mountain.

Electricity

Power comes from Pedernales Electric Coop

Pedernales Electric Coop (Pedernales Electric Coop, Inc), a cooperative utility, serves all of Round Mountain. Its homes paid an average of 12.8¢ per kWh in 2025, about $153 a month (its average across Texas).

Start or move service: pec.coop · (830) 868-7155

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

Internet

Which providers serve Round Mountain

Data pending · D4

This card will list the home internet providers the FCC’s National Broadband Map shows in Round Mountain, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.

Source to come: FCC Broadband Data Collection.

Trash & recycling

We don’t have Round Mountain’s trash rules yet

Pickup rules, the dump and recycling in Round Mountain.

Trash, recycling and bulk pickupNot on fileOpenStreetMap lists no public drop-off in Round Mountain or within 5 miles (as of Oct 9, 2026); map coverage varies by town.
Schools

Where your child goes to school

Public school districts and the school path by grade.

Round Mountain kids go to
PK–5Lyndon B Johnson Elin Johnson City
6–8Lyndon B Johnson Middlein Johnson City
9–12Lyndon B Johnson H Sin Johnson City

Round Mountain is in Johnson City 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

Town hall and registering to vote

Who to call, and how to register.

Town HallBudget, officials, electionsRound Mountain’s government in one page
Who runs elections hereBlanco County ClerkElections here are run by Blanco County (county election office). P.O. Box 13, Johnson City, TX 78636 · (830) 868-7168FVAP, Sep 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 Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.

ZIP codes & area codes

Round Mountain spans 2 ZIP codes

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

ZIPPost office nameShare of Round MountainZIP’s residents in Round Mountain
78663Round Mountain, TX96%12%
78636Johnson City, TX4%0%

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 roomBaylor Scott & White Medical Center - Marble Falls8.8 miles awayGet a library cardJohnson City Library501 Nugent St. · (830) 868-4469

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

Questions about living in Round Mountain

Who provides electricity in Round Mountain?

Pedernales Electric Coop (Pedernales Electric Coop, Inc), a cooperative utility. Its homes paid about 12.8¢ per kWh in 2025 (EIA).

What ZIP codes are in Round Mountain?

78663 (96%), 78636 (4%), by share of residents. Census 2020 ZIP Code Tabulation Areas.

What school district is Round Mountain in?

Johnson City Independent School District.

How do I register to vote in Round Mountain?

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 Blanco County 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): pending.