• county
  • FIPS 16073
  • Largest town: Homedale

Owyhee County, Idaho

Owyhee County had 12,748 residents in the Census Vintage 2024 estimate, on 7,668.2 square miles of land. It ranks 28th of 44 in Idaho by population and 2nd by land area.

Population
12,748
#28 of 44 in Idaho · #2,238 in US
Area
7,668.2 sq mi
#2 of 44 in Idaho · #39 in US
Density
1.7 / sq mi
#40 of 44 in Idaho · #3,015 in US
Median household income
$60,701
#33 of 44 in Idaho · #1,769 in US

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

Owyhee County within Idaho. Pin: Boise.

Measure from here

Tools and pages that start from Owyhee County

Owyhee County population, land area and income

Owyhee County had 12,748 residents in the Census Vintage 2024 estimate, on 7,668.2 square miles of land. It ranks 28th of 44 in Idaho by population and 2nd by land area. That works out to 1.7 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; Owyhee County is somewhat smaller.

Its SAIPE 2023 median household income of $60,701 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

12,748

3144th1st

2238th of 3,144 (US)

Land area

7,668 sq mi

3144th1st

39th of 3,144 (US)

Density

1.7 / sq mi

3144th1st

3015th of 3,144 (US)

Median household income

$60,701

3143rd1st

1769th of 3,143 (US)

Rank within Idaho (44)

Population

12,748

44th1st

28th of 44 (ID)

Land area

7,668 sq mi

44th1st

2nd of 44 (ID)

Density

1.7 / sq mi

44th1st

40th of 44 (ID)

Median household income

$60,701

44th1st

33rd of 44 (ID)

How Owyhee County's population changed since 2020

Owyhee County gained 749 residents between the July 2020 and July 2024 estimates, a rise of 6.2%. That ranks 29th 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, Owyhee County recorded 608 births and 564 deaths, a natural change of +44. Net international migration added +119 and net domestic migration, people moving to or from other US counties, came to +683. The largest single component was domestic migration, which added 683 people.

12.0k202012.4k202112.6k202212.8k202312.7k2024
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
608
Deaths
564
Net international migration
+119
Net domestic migration
+683
Change, July 2023 to July 2024
-14

Where Owyhee County is

The Census internal point of Owyhee County is at 42.572900, -116.189700. It sits in UTM zone 11N. The map shades Idaho's 44 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Owyhee 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: Owyhee County internal point. Dark pin: Boise.

Internal point

Decimal
42.572900, -116.189700
DMS
42°34'22.44"N 116°11'22.92"W
UTM
11N 566502.0E 4713706.0N
Geohash
9rt6hn1jp
Plus code
85J5HRF6+54

Towns in Owyhee County

2 incorporated places of 1,000+ people have residents in Owyhee County, 4,392 people together, or 34% of the county. Each figure counts only the part of the town inside Owyhee County; towns marked "part" extend into another county. The largest is Homedale with 3,147.

  1. 01Homedale3,147
  2. 02Marsing1,245
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Owyhee County

The Census 2024 county adjacency file lists 7 neighbors for Owyhee County, including 3 across a state line. The most populous is Ada County, ID, with 535,799 residents. Distances run between Census internal points in a straight line.

Distance to Boise and the nearest big city

Boise is 72.2 miles N of Owyhee County's internal point in a straight line. The nearest place of 100,000 or more is Boise City, ID (population 237,963), 71.0 miles away. The nearest place of 10,000 or more is Mountain Home, ID (population 16,912), 46.0 miles away.

Owyhee County FIPS code

The FIPS code of Owyhee County is 16073: state code 16 for Idaho plus county code 073. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $60,701.

Questions people ask

What is the population of Owyhee County, Idaho?

The Census Vintage 2024 estimate for July 1, 2024 is 12,748. That is up 749 people (6.2%) from the July 2020 estimate of 11,999.

What is the FIPS code of Owyhee County?

16073. The first two digits (16) are Idaho; the last three (073) identify the county.

What is the largest town in Owyhee County?

Homedale, with 3,147 residents inside Owyhee County in 2024.

Which counties border Owyhee County?

7 county-equivalents border it in the Census 2024 adjacency file: Ada County, ID; Canyon County, ID; Twin Falls County, ID; Elko County, NV; Malheur County, OR; Elmore County, ID; Humboldt County, NV.

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.