Living in Calvin, OK: what to set up and who to call
Power in Calvin comes from People's Electric Cooperative, a cooperative utility rather than a private company. Public schools here are run by Calvin Public Schools.
I’m new in town
What to set up in Calvin, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Calvin.
Power comes from People's Electric Cooperative
People's Electric Cooperative (People's Electric Cooperative), a cooperative utility, serves all of Calvin. Its homes paid an average of 15.6¢ per kWh in 2025, about $217 a month (its average across Oklahoma).
Start or move service: www.peopleselectric.coop · (580) 332-3031
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Calvin water system
The Calvin water system supplies Calvin: about 75% of residents live in its service area. Hughes Co. RWD #6 (Gerty) serves another 27%. About 6% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water and serves 300 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 77% of the 15,074 systems serving 101–500 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2025, was 3.1 ppb, below the 15 ppb action level that applied. The highest in five years was 14.4 ppb. That’s higher than 83% of similar systems’ latest results.
The system’s full record: EPA ECHO report
EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0. Violations are counted by the start of their compliance period. OK2003201.
Which providers serve Calvin
This card will list the home internet providers the FCC’s National Broadband Map shows in Calvin, 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.
We don’t have Calvin’s trash rules yet
Pickup rules, the dump and recycling in Calvin.
Where your child goes to school
Public school districts and the school path by grade.
Calvin is in Calvin Public Schools.
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.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Feb 2018; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Calvin is in ZIP code 74531
ZIP codes where Calvin residents live, with the share of the town in each.
| ZIP | Post office name | Share of Calvin | ZIP’s residents in Calvin |
|---|---|---|---|
| 74531 | Calvin, OK | 100% | 33% |
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
Getting around, the ER and the library
One line each; the subject pages have the rest.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Calvin
Who supplies Calvin’s drinking water, and has it had violations?
The Calvin water system (EPA ID OK2003201). It reported no health-based violations to EPA in the five years to October 2026; 77% of systems its size had none. Its latest lead 90th percentile was 3.1 ppb (Jan–Dec 2025), against a 15 ppb action level.
Who provides electricity in Calvin?
People's Electric Cooperative (People's Electric Cooperative), a cooperative utility. Its homes paid about 15.6¢ per kWh in 2025 (EIA).
What ZIP codes are in Calvin?
74531. Census 2020 ZIP Code Tabulation Areas.
What school district is Calvin in?
Calvin Public Schools.
How do I register to vote in Calvin?
In Oklahoma you can register online until 25 days before Election Day, in person until 25 days before Election Day, or by mail (received 25 days before). Elections here are run by the Secretary, Hughes County Election Board. Check your registration at okvoterportal.okelections.us.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
- 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 Sep 12, 2025 (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.