• county
  • FIPS 16005
  • Largest town: Pocatello

Bannock County, Idaho

Bannock County had 91,010 residents in the Census Vintage 2024 estimate, on 1,112.5 square miles of land. It ranks 6th of 44 in Idaho by population and 27th by land area.

Population
91,010
#6 of 44 in Idaho · #666 in US
Area
1,112.5 sq mi
#27 of 44 in Idaho · #567 in US
Density
82 / sq mi
#5 of 44 in Idaho · #1,057 in US
Median household income
$67,371
#22 of 44 in Idaho · #1,173 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Bannock County within Idaho. Pin: Boise.

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Tools and pages that start from Bannock County

Bannock County population, land area and income

Bannock County had 91,010 residents in the Census Vintage 2024 estimate, on 1,112.5 square miles of land. It ranks 6th of 44 in Idaho by population and 27th by land area. That works out to 81.8 people per square mile, near the US average of 96.3, and above the national county median.

The median county-equivalent in Idaho has 15,019 residents, so Bannock County is 6.1 times that size.

Its SAIPE 2023 median household income of $67,371 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

91,010

3144th1st

666th of 3,144 (US)

Land area

1,112 sq mi

3144th1st

567th of 3,144 (US)

Density

81.8 / sq mi

3144th1st

1057th of 3,144 (US)

Median household income

$67,371

3143rd1st

1173rd of 3,143 (US)

Rank within Idaho (44)

Population

91,010

44th1st

6th of 44 (ID)

Land area

1,112 sq mi

44th1st

27th of 44 (ID)

Density

81.8 / sq mi

44th1st

5th of 44 (ID)

Median household income

$67,371

44th1st

22nd of 44 (ID)

How Bannock County's population changed since 2020

Bannock County gained 3,729 residents between the July 2020 and July 2024 estimates, a rise of 4.3%. That ranks 38th of 44 in Idaho for growth. The median Idaho county changed by +7.2%, and the state as a whole by +8.2%.

Since the April 2020 estimates base, Bannock County recorded 4,473 births and 3,806 deaths, a natural change of +667. Net international migration added +849 and net domestic migration, people moving to or from other US counties, came to +2,451. The largest single component was domestic migration, which added 2,451 people.

87.3k202088.5k202189.9k202290.6k202391.0k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
4,473
Deaths
3,806
Net international migration
+849
Net domestic migration
+2,451
Change, July 2023 to July 2024
+425

Where Bannock County is

The Census internal point of Bannock County is at 42.692900, -112.229000. It sits in UTM zone 12N. The map shades Idaho's 44 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Bannock County outlined. Dots are towns of 1,000+ people with residents in it.

Madison County: +5.0%Idaho County: +8.0%Benewah County: +9.9%Gooding County: +3.4%Lincoln County: +8.2%Minidoka County: +4.7%Custer County: +7.7%Boundary County: +15.6%Lemhi County: +5.5%Twin Falls County: +6.8%Franklin County: +9.5%Oneida County: +9.0%Gem County: +13.4%Shoshone County: +6.6%Fremont County: +7.3%Clearwater County: +4.6%Kootenai County: +9.0%Cassia County: +4.9%Blaine County: +3.8%Clark County: +0.1%Jerome County: +7.4%Bonner County: +13.8%Elmore County: +3.7%Caribou County: +3.2%Bonneville County: +7.1%Jefferson County: +12.1%Power County: +6.3%Lewis County: +5.8%Nez Perce County: +1.7%Ada County: +7.5%Adams County: +12.9%Valley County: +7.9%Bingham County: +5.8%Bannock County: +4.3%Owyhee County: +6.2%Washington County: +9.3%Latah County: +6.4%Teton County: +10.2%Camas County: +15.0%Boise County: +12.0%Bear Lake County: +6.5%Butte County: +5.9%Canyon County: +14.5%Payette County: +8.1%
Change 2020 to 2024
  1. < +4.7%
  2. < +6.4%
  3. < +7.7%
  4. < +9.9%
  5. ≥ +9.9%
no data

Orange pin: Bannock County internal point. Dark pin: Boise.

Internal point

Decimal
42.692900, -112.229000
DMS
42°41'34.44"N 112°13'44.40"W
UTM
12N 399328.2E 4727445.0N
Geohash
9x84yhj24
Plus code
85J9MQVC+5C

Towns in Bannock County

2 incorporated places of 1,000+ people have residents in Bannock County, 74,808 people together, or 82% of the county. Each figure counts only the part of the town inside Bannock County; towns marked "part" extend into another county. The largest is Pocatello with 58,231.

  1. 01Pocatello58,231
  2. 02Chubbuck16,577
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Bannock County

The Census 2024 county adjacency file lists 5 neighbors for Bannock County. The most populous is Bingham County, ID, with 50,889 residents. Distances run between Census internal points in a straight line.

Distance to Boise and the nearest big city

Boise is 210.8 miles WNW of Bannock County's internal point in a straight line. The nearest place of 100,000 or more is Salt Lake City, UT (population 217,783), 133.3 miles away. The nearest place of 10,000 or more is Pocatello, ID (population 58,231), 17.2 miles away.

Bannock County FIPS code

The FIPS code of Bannock County is 16005: state code 16 for Idaho plus county code 005. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $67,371.

Questions people ask

What is the population of Bannock County, Idaho?

The Census Vintage 2024 estimate for July 1, 2024 is 91,010. That is up 3,729 people (4.3%) from the July 2020 estimate of 87,281.

What is the FIPS code of Bannock County?

16005. The first two digits (16) are Idaho; the last three (005) identify the county.

What is the largest town in Bannock County?

Pocatello, with 58,231 residents inside Bannock County in 2024.

Which counties border Bannock County?

5 county-equivalents border it in the Census 2024 adjacency file: Bingham County, ID; Franklin County, ID; Power County, ID; Caribou County, ID; Oneida County, ID.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.