Caribou County, ID ZIP Codes

7 ZIP codes cover all or part of Caribou County, Idaho: 83276, 83127, 83254, 83241, 83217, 83120 and 83285. The Census Bureau counts 7,162 residents in the county, with a median household income of $68,782 and a median home value of $241,500. Median household income ranges from $64,750 in 83276 to $87,743 in 83127. Its largest communities include Soda Springs, Grace and Bancroft.

Caribou County (Census county figures)

MeasureCensus figure
Residents7,162
Households2,474
Median household income$68,782
Median home value$241,500
Median age38.5
Median rent$847

All 7 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)15,271
Households (sum of ZIP codes)5,547
Median household income, range across ZIP codes$64,750 (83276) to $87,743 (83127)
Household-weighted average of ZIP medians (an approximation, not a true median)$72,705
Homeowners83.8%
Households with kids under 1826.5%
Moved in the past year9.5%
Carrier routes in EDDM2GO's route library11 routes, 3,242 homes (3 of 7 ZIP codes)

Top facts

Every ZIP code in Caribou County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
83276Soda Springs4,1551,518$64,750$253,10078.9%33.3%8.3%41,64896% of its land
83127Thayne3,8121,579$87,743$482,70086.2%19.9%11.6%——48% of its land
83254Montpelier3,7921,348$64,839$253,80086.2%26.3%9.0%61,76717% of its land
83241Grace2,488759$71,298$215,20085.6%28.3%5.2%——100% of its land
83217Bancroft712239$74,688$259,50090.0%18.8%15.0%——100% of its land
83120Freedom23284$59,200$526,30059.5%44.0%20.3%111819% of its land
83285Bonneville County8020——55.0%0.0%43.8%——32% of its land

A ZIP code is listed for Caribou County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.

Cities and communities

Price a mailing to Caribou County ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Caribou County, ID?
83276, 83127, 83254, 83241, 83217, 83120 and 83285. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of Caribou County?
7,162 residents in 2,474 households (ACS 5-year estimates, 2020–2024).
What is the median household income in Caribou County?
$68,782 for the county as a whole. Its ZIP codes range from $64,750 (83276) to $87,743 (83127).
Which Caribou County ZIP code has the highest median household income?
83127, at $87,743, among ZIP codes with at least 1,000 residents.
How many carrier routes and mailboxes are in Caribou County?
For the 3 of 7 ZIP codes in EDDM2GO's stored route library: 11 carrier routes reaching 3,242 residential and 290 business mailboxes. The route map loads the rest when you search them.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.