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Where am ILOCATED

Rexburg, ID Micro Area

The Rexburg, ID micro area is made up of 2 counties in Idaho: Madison and Fremont. About 69,380 people lived there on July 1, 2025 (Census estimate), 4.6% more than in April 2020.

Fremont County, outlyingMadison County, centralRexburg
Central Outlying 2 counties in Idaho
Population, July 2025
69,380 4.6% more than in April 2020
Type
Micropolitan statistical area
Counties
2: 1 central, 1 outlying
Land area
2,333 sq mi (6,043 km²)
Time zone
Mountain TimeUTC-07:00 in January; UTC-06:00 in July
State
Idaho
Combined statistical area
Idaho Falls-Rexburg-Blackfoot, ID
CBSA code
39940
Open this area in the metro area finder

Counties in the Rexburg, ID micro area, largest first

CountyRolePopulation, July 2025Share of the area
Madison CountyCentral55,17279.5%
Fremont CountyOutlying14,20820.5%

A central county holds the area’s core, an urban area of 10,000 to 49,999 people. An outlying county is in the area because of commuting: at least a quarter of its workers have jobs in the central county, or at least a quarter of the people working there live in them. A county belongs to one metro or micro area at most, and it counts whole, countryside included.

Principal city

  1. Rexburg40,543 people

OMB names the area after its largest principal cities. A principal city is the area’s largest city, plus any other city that is very large or a big job center, and smaller ones with at least as many jobs as working residents (2020 Census and commuting figures). People counts are American Community Survey 2020–2024 5-year estimates.

Part of the Idaho Falls-Rexburg-Blackfoot, ID combined statistical area

OMB joins neighboring metro and micro areas into a combined statistical area when enough people commute between them. The other 2 areas in this one, largest first:

  1. Idaho Falls, ID Metro Area173,851 people
  2. Blackfoot, ID Micro Area51,153 people

Bordering metro and micro areas, nearest first

Areas with a county on this area’s edge. Distances are straight lines between the areas’ largest cities.

  1. Idaho Falls, ID Metro Area26 mi southwest
  2. Jackson, WY-ID Micro Area56 mi southeast
  3. Bozeman, MT Metro Area134 mi north

Before using this answer on a form

A metro or micro area is a statistical area that OMB draws for federal statistics. It is not a city, a local government or a mailing address, and it is not a measure of urban and rural: whole counties count, rural parts included. Programs that use metro areas, such as housing income limits or wage rates, can use their own version of these lists; check the program’s own list for an address.

Find the metro area where you are now, find your county, or see every metro and micro area by population.

See this area on Census.gov ↗