• county
  • FIPS 16071
  • Largest town: Malad City

Oneida County, Idaho

Oneida County had 4,976 residents in the Census Vintage 2024 estimate, on 1,199.0 square miles of land. It ranks 39th of 44 in Idaho by population and 26th by land area.

Population
4,976
#39 of 44 in Idaho · #2,822 in US
Area
1,199.0 sq mi
#26 of 44 in Idaho · #511 in US
Density
4.2 / sq mi
#33 of 44 in Idaho · #2,814 in US
Median household income
$67,137
#23 of 44 in Idaho · #1,191 in US

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

Oneida County within Idaho. Pin: Boise.

Oneida County population, land area and income

Oneida County had 4,976 residents in the Census Vintage 2024 estimate, on 1,199.0 square miles of land. It ranks 39th of 44 in Idaho by population and 26th by land area. That works out to 4.2 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in Idaho has 15,019 residents, so Oneida County has 33% of the typical county's population.

Its SAIPE 2023 median household income of $67,137 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

4,976

3144th1st

2822nd of 3,144 (US)

Land area

1,199 sq mi

3144th1st

511th of 3,144 (US)

Density

4.2 / sq mi

3144th1st

2814th of 3,144 (US)

Median household income

$67,137

3143rd1st

1191st of 3,143 (US)

Rank within Idaho (44)

Population

4,976

44th1st

39th of 44 (ID)

Land area

1,199 sq mi

44th1st

26th of 44 (ID)

Density

4.2 / sq mi

44th1st

33rd of 44 (ID)

Median household income

$67,137

44th1st

23rd of 44 (ID)

How Oneida County's population changed since 2020

Oneida County gained 412 residents between the July 2020 and July 2024 estimates, a rise of 9.0%. That ranks 13th 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, Oneida County recorded 226 births and 214 deaths, a natural change of +12. Net international migration added +0 and net domestic migration, people moving to or from other US counties, came to +395. The largest single component was domestic migration, which added 395 people.

4,56420204,60420214,74020224,95520234,9762024
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
226
Deaths
214
Net international migration
+0
Net domestic migration
+395
Change, July 2023 to July 2024
+21

Where Oneida County is

The Census internal point of Oneida County is at 42.183900, -112.520400. 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 Oneida County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Oneida County

One incorporated place of 1,000+ people has residents in Oneida County, 2,326 people together, or 47% of the county. Each figure counts only the part of the town inside Oneida County; towns marked "part" extend into another county. The largest is Malad City with 2,326.

  1. 01Malad City2,326
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Oneida County

The Census 2024 county adjacency file lists 6 neighbors for Oneida County, including 2 across a state line. The most populous is Cache County, UT, with 145,487 residents. Distances run between Census internal points in a straight line.

Distance to Boise and the nearest big city

Boise is 211.6 miles WNW of Oneida County's internal point in a straight line. The nearest place of 100,000 or more is Salt Lake City, UT (population 217,783), 101.9 miles away. The nearest place of 10,000 or more is Tremonton, UT (population 12,677), 36.4 miles away.

Oneida County FIPS code

The FIPS code of Oneida County is 16071: state code 16 for Idaho plus county code 071. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $67,137.

Questions people ask

What is the population of Oneida County, Idaho?

The Census Vintage 2024 estimate for July 1, 2024 is 4,976. That is up 412 people (9.0%) from the July 2020 estimate of 4,564.

What is the FIPS code of Oneida County?

16071. The first two digits (16) are Idaho; the last three (071) identify the county.

What is the largest town in Oneida County?

Malad City, with 2,326 residents inside Oneida County in 2024.

Which counties border Oneida County?

6 county-equivalents border it in the Census 2024 adjacency file: Cache County, UT; Bannock County, ID; Box Elder County, UT; Cassia County, ID; Franklin County, ID; Power 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.