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Four Square Mile, ColoradoPhoto: Jeffrey Beall · CC BY 4.0
The Four Square Mile handbook

Living in Four Square Mile, CO: what to set up and who to call

Four Square Mile has no town government of its own, so Arapahoe County runs its elections and most services, and its children attend Cherry Creek School District 5. The closest public drop-off to Four Square Mile is City of Denver Recycling Center, 1 mile out; the town decides whether residents may use it.

Four Square Mile has no town government. It’s a census-designated place in Arapahoe County, so the county and regional agencies provide most services. This page answers what we can; the same answers appear on Four Square Mile’s town page under “Getting set up”.

I’m new in town

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

Home services

Power, water and internet

Who to call to start service at a new address in Four Square Mile.

Electricity

Power comes from Xcel Energy

Xcel Energy (Public Service Co. of Colorado), an investor-owned utility, serves all of Four Square Mile. Its homes paid an average of 15.9¢ per kWh in 2025, about $93 a month (its average across Colorado).

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.

Drinking water · reported to EPA

Water comes from Cherry Creek Valley WSD

Cherry Creek Valley WSD supplies almost all of Four Square Mile. It buys treated surface water (EPA lists Denver Water Board as seller) and serves 22,000 people in all.

No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.

Lead, 90th percentile9.0 ppb
015 ppb action level20

The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2002, was 9.0 ppb, below the 15 ppb action level that applied. It’s from 2002: EPA has no newer result for this system.

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. CO0116175.

Internet

7 home internet providers serve Four Square Mile

100% of 2,645 addresses can get 100/20 Mbps; 14% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
XfinityCable100%2,000/250
CenturyLinkDSL, Fiber61%140/20
Quantum FiberFiber26%8,000/8,000
T-MobileFixed wireless49%100/20
VerizonFixed wireless35%300/20
AT&TFixed wireless31%100/20

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

Trash & recycling

The nearest public drop-off is 1 miles away

Pickup rules, the dump and recycling in Four Square Mile.

Nearest public drop-off · 0.6 mi from the center of Four Square Mile

City of Denver Recycling Center

7400 East Cherry Creek South Drive, Denver, CO, 80231 · run by City of Denver

This isn’t Four Square Mile’s own facility. Whether Four Square Mile residents may use it is the town’s rule: check the town’s office.

OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.

Schools

Where your child goes to school

Public school districts and the school path by grade.

Four Square Mile kids go to
PK–544 elementary schoolsDepends on your address
6–812 middle schoolsDepends on your address
9–126 high schoolsDepends on your address

Four Square Mile is in Cherry Creek School District 5.

A−School gradeSee 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

Four Square Mile is unincorporated, so Arapahoe County is the local government.

Local governmentArapahoe CountyFour Square Mile is a census-designated place: no town hall of its ownCensus
Who runs elections hereArapahoe County Clerk and RecorderElections here are run by Arapahoe County (county election office). 5251 S. Federal Blvd, Littleton, CO 80120 · (303) 738-8067FVAP, Sep 2025
Register to voteOnlineIn Colorado you can register online until 8 days before Election Day, in person up to and including Election Day, or by mail (postmarked 8 days before).vote.govCheck your registration and polling placesos.state.co.usThe 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

Four Square Mile spans 2 ZIP codes

ZIP codes where Four Square Mile residents live, with the share of the town in each.

ZIPPost office nameShare of Four Square MileZIP’s residents in Four Square Mile
80231Denver, CO65%41%
80247Denver, CO34%27%

A few homes fall in 80224.

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.

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

Questions about living in Four Square Mile

Who supplies Four Square Mile’s drinking water, and has it had violations?

Cherry Creek Valley WSD (EPA ID CO0116175). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 9.0 ppb (Jan–Dec 2002), against a 15 ppb action level.

Who provides electricity in Four Square Mile?

Xcel Energy (Public Service Co. of Colorado), an investor-owned utility. Its homes paid about 15.9¢ per kWh in 2025 (EIA).

What internet providers serve Four Square Mile?

Xfinity, CenturyLink, Quantum Fiber, T-Mobile, Verizon, AT&T (FCC, as of December 2025).

What ZIP codes are in Four Square Mile?

80231 (65%), 80247 (34%), by share of residents. Census 2020 ZIP Code Tabulation Areas.

What school district is Four Square Mile in?

Cherry Creek School District 5.

How do I register to vote in Four Square Mile?

In Colorado you can register online until 8 days before Election Day, in person up to and including Election Day, or by mail (postmarked 8 days before). Elections here are run by the Arapahoe County Clerk and Recorder. Check your registration at sos.state.co.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 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.