Town guide

Arco, Idaho

Arco is a city in Butte County, Idaho, home to about 850 people across 1.1 square miles. Its ZIP code is 83213.

Homes sold for a median of $147 per square foot in the three months ending August 2026, a buyer’s market.

Population850794 per sq mi
Median home value$192,000Census, as estimated by owners
Price per sq ft$147Sold homes, 3 months to August 2026
Sold over asking0%Latest 3 months

ZIP codes in Arco

1 ZIP code

Each card is that ZIP code’s whole market, including any part outside Arco. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology

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  • History
  • What it’s like to live there
  • Getting around
  • Things to do

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Around Arco

Distances

Nearest major airportBoise Air Terminal/Gowen Field (BOI)145 miles away
Closer regional airportFriedman Memorial Airport (SUN)50 miles away
Nearest city of 250,000+Reno, NV440 miles away
Nearest city of 1 million+Phoenix, AZ698 miles away

Straight-line distances from the center of Arco; driving is longer.

Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.

Who represents Arco

Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.

Population over time

Arco had 879 residents in the 2020 census, down 14% since 2000.

It’s the 115th largest of 232 towns in Idaho by population.

Butte County grew from 2,940 residents in 1920 to 2,574 in 2020.

Arco population by census2000: 1,026, 2010: 995, 2020: 8791,026200099520108792020

Butte County, 1920–2020

Butte County population, 1920 to 20201920: 2,940, 1930: 1,934, 1940: 1,877, 1950: 2,722, 1960: 3,498, 1970: 2,925, 1980: 3,342, 1990: 2,918, 2000: 2,899, 2010: 2,891, 2020: 2,5743K’20’302K’40’503K’60’703K’80’903K’00’103K’20

Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).

Weather by month

Average highs peak around 87°F in summer, and winter lows average 7°F. About 8.9 inches of rain and melted snow fall in a typical year, with about 24 inches of snow.

Average high and low temperature and precipitation by month near ArcoJan: high 30°F, low 7°F, 0.7 in; Feb: high 35°F, low 12°F, 0.6 in; Mar: high 46°F, low 23°F, 0.7 in; Apr: high 57°F, low 30°F, 0.9 in; May: high 67°F, low 39°F, 1.2 in; Jun: high 76°F, low 46°F, 1.1 in; Jul: high 87°F, low 52°F, 0.3 in; Aug: high 85°F, low 50°F, 0.5 in; Sep: high 75°F, low 41°F, 0.7 in; Oct: high 60°F, low 31°F, 0.7 in; Nov: high 43°F, low 19°F, 0.6 in; Dec: high 31°F, low 9°F, 0.9 in30°7°Jan0.735°12°Feb0.646°23°Mar0.757°30°Apr0.967°39°May1.276°46°Jun1.187°52°Jul0.385°50°Aug0.575°41°Sep0.760°31°Oct0.743°19°Nov0.631°9°Dec0.9Rain and melted snow, inches

Source: NOAA 1991–2020 climate normals, Arco, ID weather station (about a mile away).

Jobs in Butte County

398 jobs at 56 businesses in Butte County. The biggest industries by employees:

Largest industries in Butte CountyHealth care and social assistance: 148 jobs; Retail trade: 108 jobs; Hotels and restaurants: 44 jobs; Construction: 21 jobs; Other services: 14 jobs; Transportation and warehousing: 13 jobs; Finance and insurance: 9 jobs; Professional services: 4 jobsHealth care and social assistance 37% Retail trade 27% Hotels and restaurants 11% Construction 5% Other services 4% Transportation and warehousing 3% Finance and insurance 2% Professional services 1%

Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).

Health care

7 doctors and other health care providers list an office in Arco.

Nearest hospitals

  • Lost Rivers Medical CenterCritical access hospital · emergency room · Arco1.1 miles
  • St. Luke's Wood River Medical CenterCritical access hospital · emergency room · CMS rating 4 of 5 · Ketchum51.5 miles
  • Grove Creek Medical CenterGeneral hospital · no emergency room · Blackfoot57.0 miles

Providers with an office here

Primary care doctors1
Nurse practitioners and physician assistants4
Mental health providers1
Chiropractors1
Pharmacies1

Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.

Places in and around Arco

Parks (1 nearby)

  • Bottolfsen Park · 14 acres0.7 mi

Grocery stores (1 nearby)

  • A & A Market0.8 mi

Counts are within about 1 mile of the center of town.

Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.

Schools in Arco

Public schools here are run by Butte County Joint District. Check each district’s attendance zones for a specific address.

Public schools (2)
SchoolGradesStudentsTypeDistance
Arco Elementary SchoolArcoPre-K–6186Public0.8 mi
Butte County Middle/High SchoolArco7–12186Public0.8 mi

Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.

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Where Arco is

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Towns near Arco

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Shares ZIP codes with Butte City.

Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.