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The California Junction handbook

Living in California Junction, IA: what to set up and who to call

California Junction has no town government of its own, so Harrison County runs its elections and most services, and its children attend Missouri Valley Community School District. The closest ER is CHI Health Missouri Valley, 5.7 miles away.

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

I’m new in town

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

PowerMidAmerican Energyinvestor-owned utility · 11.2¢/kWhMore →
InternetWhich providers serve California JunctionData pending · FCC map (D4)
Trash & dumpNot on file yetWe don’t have California Junction’s trash rules yetMore →SchoolMissouri Valley Community School DistrictWhich school depends on grade and addressMore →Register to voteOnlineRules from vote.govMore →ZIP code51555Where people live, not P.O. boxesMore →
Home services

Power, water and internet

Who to call to start service at a new address in California Junction.

Electricity

Power comes from MidAmerican Energy

MidAmerican Energy (MidAmerican Energy Co), an investor-owned utility, serves all of California Junction. Its homes paid an average of 11.2¢ per kWh in 2025, about $93 a month (its average across Iowa).

Start or move service: midamericanenergy.com · (888) 427-5632

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

Internet

Which providers serve California Junction

Data pending · D4

This card will list the home internet providers the FCC’s National Broadband Map shows in California Junction, 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 California Junction’s trash rules yet

Pickup rules, the dump and recycling in California Junction.

Trash, recycling and bulk pickupNot on fileCalifornia Junction 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.

California Junction kids go to
PK–5Missouri Valley Elementaryin Missouri Valley
6–8Missouri Valley Middle Schoolin Missouri Valley
9–12Missouri Valley High Schoolin Missouri Valley

California Junction is in Missouri Valley Community 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

California Junction is unincorporated, so Harrison County is the local government.

Local governmentHarrison CountyCalifornia Junction is a census-designated place: no town hall of its ownCensus
Who runs elections hereHarrison County AuditorElections here are run by Harrison County (county election office). 111 N. 2nd Avenue, Logan, IA 51546 · (712) 644-2401 · [email protected]FVAP, Nov 2025
Register to voteOnlineIn Iowa you can register online until 15 days before Election Day, in person up to and including Election Day, or by mail (postmarked 15 days before).vote.govCheck your registration and polling placesos.iowa.govThe state’s voter lookup

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

ZIP codes & area codes

California Junction is in ZIP code 51555

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

ZIPPost office nameShare of California JunctionZIP’s residents in California Junction
51555Missouri Valley, IA100%1%

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 roomCHI Health Missouri Valley5.7 miles awayGet a library cardModale Public Library210 Main St. · (402) 885-0458

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

Questions about living in California Junction

Who provides electricity in California Junction?

MidAmerican Energy (MidAmerican Energy Co), an investor-owned utility. Its homes paid about 11.2¢ per kWh in 2025 (EIA).

What ZIP codes are in California Junction?

51555. Census 2020 ZIP Code Tabulation Areas.

What school district is California Junction in?

Missouri Valley Community School District.

How do I register to vote in California Junction?

In Iowa you can register online until 15 days before Election Day, in person up to and including Election Day, or by mail (postmarked 15 days before). Elections here are run by the Harrison County Auditor. Check your registration at sos.iowa.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.