• county
  • FIPS 16057
  • Largest town: Moscow

Latah County, Idaho

Latah County had 42,180 residents in the Census Vintage 2024 estimate, on 1,075.9 square miles of land. It ranks 11th of 44 in Idaho by population and 29th by land area.

Population
42,180
#11 of 44 in Idaho · #1,145 in US
Area
1,075.9 sq mi
#29 of 44 in Idaho · #592 in US
Density
39 / sq mi
#11 of 44 in Idaho · #1,692 in US
Median household income
$63,916
#29 of 44 in Idaho · #1,463 in US

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

Latah County within Idaho. Pin: Boise.

Measure from here

Tools and pages that start from Latah County

Latah County population, land area and income

Latah County had 42,180 residents in the Census Vintage 2024 estimate, on 1,075.9 square miles of land. It ranks 11th of 44 in Idaho by population and 29th by land area. That works out to 39.2 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Idaho has 15,019 residents, so Latah County is 2.8 times that size.

Its SAIPE 2023 median household income of $63,916 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

42,180

3144th1st

1145th of 3,144 (US)

Land area

1,076 sq mi

3144th1st

592nd of 3,144 (US)

Density

39.2 / sq mi

3144th1st

1692nd of 3,144 (US)

Median household income

$63,916

3143rd1st

1463rd of 3,143 (US)

Rank within Idaho (44)

Population

42,180

44th1st

11th of 44 (ID)

Land area

1,076 sq mi

44th1st

29th of 44 (ID)

Density

39.2 / sq mi

44th1st

11th of 44 (ID)

Median household income

$63,916

44th1st

29th of 44 (ID)

How Latah County's population changed since 2020

Latah County gained 2,542 residents between the July 2020 and July 2024 estimates, a rise of 6.4%. That ranks 27th 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, Latah County recorded 1,852 births and 1,228 deaths, a natural change of +624. Net international migration added +1,377 and net domestic migration, people moving to or from other US counties, came to +667. The largest single component was international migration, which added 1,377 people.

39.6k202040.4k202141.3k202241.7k202342.2k2024
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
1,852
Deaths
1,228
Net international migration
+1,377
Net domestic migration
+667
Change, July 2023 to July 2024
+489

Where Latah County is

The Census internal point of Latah County is at 46.818900, -116.731000. 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 Latah 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: Latah County internal point. Dark pin: Boise.

Internal point

Decimal
46.818900, -116.731000
DMS
46°49'8.04"N 116°43'51.60"W
UTM
11N 520519.9E 5185074.6N
Geohash
c2kfrep5f
Plus code
85R5R799+HJ

Towns in Latah County

2 incorporated places of 1,000+ people have residents in Latah County, 27,997 people together, or 66% of the county. Each figure counts only the part of the town inside Latah County; towns marked "part" extend into another county. The largest is Moscow with 26,894.

  1. 01Moscow26,894
  2. 02Genesee1,103
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Latah County

The Census 2024 county adjacency file lists 5 neighbors for Latah County, including 1 across a state line. The most populous is Whitman County, WA, with 48,399 residents. Distances run between Census internal points in a straight line.

Distance to Boise and the nearest big city

Boise is 222.6 miles S of Latah County's internal point in a straight line. The nearest place of 100,000 or more is Spokane Valley, WA (population 108,267), 62.9 miles away. The nearest place of 10,000 or more is Moscow, ID (population 26,894), 14.0 miles away.

Latah County FIPS code

The FIPS code of Latah County is 16057: state code 16 for Idaho plus county code 057. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $63,916.

Questions people ask

What is the population of Latah County, Idaho?

The Census Vintage 2024 estimate for July 1, 2024 is 42,180. That is up 2,542 people (6.4%) from the July 2020 estimate of 39,638.

What is the FIPS code of Latah County?

16057. The first two digits (16) are Idaho; the last three (057) identify the county.

What is the largest town in Latah County?

Moscow, with 26,894 residents inside Latah County in 2024.

Which counties border Latah County?

5 county-equivalents border it in the Census 2024 adjacency file: Whitman County, WA; Nez Perce County, ID; Shoshone County, ID; Benewah County, ID; Clearwater 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.