42,180 people (2024 Census estimate, +6.4% since 2020)
1,076 square miles of land · 39 people per square mile
“Highest” and “lowest” are just order, not grades: a high rank for poverty or hazard losses means more of it. Each figure's source is in its section below.
21 active community water systems list Latah County in the area they serve, reporting 40,338 people served in all (a system that crosses county lines counts its whole population).
| MOSCOW WATER DEPT groundwater · local government · ID2290023 | 26,000 served |
| UNIVERSITY OF IDAHO groundwater · state · ID2290042 | 8,589 served |
| GENESEE CITY OF groundwater · local government · ID2290015 | 1,044 served |
| TROY CITY OF surface water · local government · ID2290041 | 850 served |
| POTLATCH CITY OF groundwater · local government · ID2290030 | 812 served |
| JULIAETTA CITY OF surface water · local government · ID2290018 | 624 served |
| DEARY CITY OF groundwater · local government · ID2290008 | 529 served |
| KENDRICK CITY OF groundwater · local government · ID2290019 | 313 served |
Source: U.S. EPA Safe Drinking Water Information System (SDWIS), active community systems, . Look up any system's violations and test results with EPA's search using its ID.
About 30 people were held in Latah County's jail, in Vera's latest figure (2019), or 108 per 100,000 residents ages 15–64. In 2014 it was about 6.
Source: Vera Institute of Justice, Incarceration Trends (built from federal Bureau of Justice Statistics jail surveys). Counties without their own jail, or that share one, may show no figure.
6 school districts have their office in Latah County. School taxes are usually the largest part of a property tax bill.
Spent $30.5 million — $29.7 million to run schools, about $12,379 per student, plus $340,000 on buildings and equipment. Money in: $14.1 million local (mostly property tax), $15.3 million state, $3.5 million federal. Long-term debt: $5.4 million.
Spent $7.3 million — $6.8 million to run schools, about $14,263 per student, plus $482,000 on buildings and equipment. Money in: $2.1 million local (mostly property tax), $4.5 million state, $1.1 million federal.
Spent $4.6 million — $4.2 million to run schools, about $13,031 per student, plus $343,000 on buildings and equipment. Money in: $1.4 million local (mostly property tax), $3 million state, $565,000 federal. Long-term debt: $19,000.
Spent $4.6 million — $4.4 million to run schools, about $14,340 per student, plus $145,000 on buildings and equipment. Money in: $1.8 million local (mostly property tax), $3.1 million state, $461,000 federal. Long-term debt: $2.6 million.
Spent $4.6 million — $4.4 million to run schools, about $15,142 per student, plus $57,000 on buildings and equipment. Money in: $1.4 million local (mostly property tax), $2.9 million state, $573,000 federal. Long-term debt: $1.2 million.
Spent $4 million — $3.8 million to run schools, about $18,116 per student, plus $277,000 on buildings and equipment. Money in: $1.4 million local (mostly property tax), $2.4 million state, $537,000 federal. Long-term debt: $145,000.
Source: U.S. Census Bureau, 2023 Annual Survey of School System Finances. Districts are listed by the county of their main office; some serve neighboring counties too.
Source: County Health Rankings & Roadmaps 2025 (University of Wisconsin Population Health Institute), which gathers federal data (CDC, Census, and others); measures cover different recent years. Blank lines aren't reported for small counties.
Overall risk: Very Low compared with other U.S. counties. FEMA estimates natural hazards cost Latah County about $13.3 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
119 bridges in Latah County: 47 in good condition, 71 fair, and 1 poor (0.8%). “Poor” means a main part — the deck, the beams, or the supports — is rated 4 or lower on the federal 0–9 scale. It doesn't mean unsafe to drive; unsafe bridges are closed.
| SMA 7674;MTN VIEW over PARADISE CREEK · built 1992 | 6,400 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $97.9 million of work in Latah County in fiscal 2025, about $2,477 per resident — to the county, cities, schools, hospitals, nonprofits and others.
Source: USAspending.gov, grants by place of performance, fiscal 2025 (Oct. 2024 to Sept. 2025). Search it by county to see each award.
From Grants.gov: posted grants listing county governments as eligible, soonest deadline first; research-only and overseas programs left out; list updated 2026-10-13, refreshed weekly. 62 are open in all. Cities, towns, school districts and nonprofits have their own lists there.
Registration deadlines, early voting and polling places for Idaho are on the federal site vote.gov, which links to the state's official election office.
The budget, property tax rates, audits, local officials and offices for Latah County come from the county's own records, which we haven't gathered — not gathered, never hidden. See what a full county site looks like, or ask to have Latah County built: brayden.ozark@gmail.com.
More of Idaho: the state government and every county in Idaho.
Nearby counties: Benewah County (28 mi) · Nez Perce County (34 mi) · Whitman County, WA (38 mi) · Lewis County (43 mi) · Garfield County, WA (47 mi) · Asotin County, WA (50 mi).