48,172 people (2024 Census estimate, +2.9% since 2020)
2,297 square miles of land · 21 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.
37 active community water systems list Kittitas County in the area they serve, reporting 35,677 people served in all (a system that crosses county lines counts its whole population).
| ELLENSBURG WATER DEPT groundwater · local government · WA5322950 | 20,900 served |
| SUNCADIA RESORT buys surface water · private · WA53AA317 | 2,640 served |
| KITTITAS CITY OF groundwater · local government · WA5342650 | 2,247 served |
| CLE ELUM WATER DEPARTMENT surface water · local government · WA5313500 | 2,213 served |
| ROSLYN CITY OF surface water · local government · WA5374400 | 2,099 served |
| KITTITAS COUNTY WATER DISTRICT #5 groundwater · local government · WA5342704 | 700 served |
| SOUTH CLE ELUM WATER DEPT buys surface water · local government · WA5381600 | 541 served |
| KITTITAS COUNTY WATER DISTRICT #4 groundwater · local government · WA5342447 | 510 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 88 people were held in Kittitas County's jail, in Vera's latest figure (2021), or 292 per 100,000 residents ages 15–64. In 2016 it was about 81.
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 Kittitas County. School taxes are usually the largest part of a property tax bill.
Spent $60 million — $52.9 million to run schools, about $16,335 per student, plus $2.7 million on buildings and equipment. Money in: $17.7 million local (mostly property tax), $39.8 million state, $5.3 million federal. Long-term debt: $75.5 million.
Spent $17 million — $15.9 million to run schools, about $16,393 per student, plus $781,000 on buildings and equipment. Money in: $5.8 million local (mostly property tax), $11.3 million state, $1.3 million federal.
Spent $14 million — $10.9 million to run schools, about $17,788 per student, plus $2.6 million on buildings and equipment. Money in: $3.3 million local (mostly property tax), $9.2 million state, $1.8 million federal. Long-term debt: $13.1 million.
Spent $8 million — $5.7 million to run schools, about $22,023 per student, plus $2.3 million on buildings and equipment. Money in: $1.7 million local (mostly property tax), $6.1 million state, $650,000 federal.
Spent $2.7 million — $2.6 million to run schools, about $31,549 per student, plus $101,000 on buildings and equipment. Money in: $677,000 local (mostly property tax), $2.4 million state, $170,000 federal.
Spent $599,000 — $525,000 to run schools, about $12,500 per student, plus $22,000 on buildings and equipment. Money in: $131,000 local (mostly property tax), $522,000 state, $4,000 federal.
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: Relatively Moderate compared with other U.S. counties. FEMA estimates natural hazards cost Kittitas County about $77.5 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
313 bridges in Kittitas County: 133 in good condition, 145 fair, and 35 poor (11.2%). “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.
| I-90 over COAL CREEK · built 1956 | 18,069 vehicles a day |
| I-90 over SR 906 · built 1969 | 17,758 vehicles a day |
| I-90 over YELLOWSTONE RD · built 1969 | 17,215 vehicles a day |
| I-90 over KACHESS RIVER · built 1958 | 17,108 vehicles a day |
| I-90 over YAKIMA RIVER · built 1959 | 16,667 vehicles a day |
| I-90 over YAKIMA RIVER · built 1959 | 16,667 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $29.5 million of work in Kittitas County in fiscal 2025, about $666 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 Washington 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 Kittitas 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 Kittitas County built: brayden.ozark@gmail.com.
More of Washington: the state government and every county in Washington.
Nearby counties: Yakima County (46 mi) · Chelan County (51 mi) · Grant County (57 mi) · King County (60 mi) · Douglas County (63 mi) · Pierce County (70 mi).