145,161 people (2024 Census estimate, −0.0% since 2020)
18,616 square miles of land · 8 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.
38 active community water systems list Coconino County in the area they serve, reporting 159,989 people served in all (a system that crosses county lines counts its whole population).
| FLAGSTAFF CITY OF surface water · local government · AZ0403008 | 79,796 served |
| GRAND CANYON NATIONAL PARK groundwater · federal · AZ0403702 | 16,590 served |
| ARIZONA WATER CO - SEDONA groundwater · private · AZ0403003 | 12,104 served |
| DONEY PARK WATER groundwater · private · AZ0403005 | 9,222 served |
| ARIZONA WATER CO - PINEWOOD groundwater · private · AZ0403002 | 8,115 served |
| PAGE CITY OF surface water · local government · AZ0403017 | 7,445 served |
| KACHINA VILLAGE DWID groundwater · local government · AZ0403013 | 3,500 served |
| WILLIAMS CITY OF surface water · local government · AZ0403026 | 3,145 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 307 people were held in Coconino County's jail, in Vera's latest figure (2023), or 306 per 100,000 residents ages 15–64. In 2018 it was about 476.
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.
10 school districts have their office in Coconino County. School taxes are usually the largest part of a property tax bill.
Spent $130 million — $106 million to run schools, about $11,724 per student, plus $18.7 million on buildings and equipment. Money in: $77.9 million local (mostly property tax), $31.3 million state, $16.8 million federal. Long-term debt: $76.2 million.
Spent $34.9 million — $30.2 million to run schools, about $12,249 per student, plus $4.7 million on buildings and equipment. Money in: $5.3 million local (mostly property tax), $19.7 million state, $15.6 million federal.
Spent $28.3 million — $25.2 million to run schools, about $17,146 per student, plus $2.8 million on buildings and equipment. Money in: $1.6 million local (mostly property tax), $13 million state, $22.6 million federal. Long-term debt: $5.3 million.
Spent $10.5 million — $9.2 million to run schools, about $12,341 per student, plus $394,000 on buildings and equipment. Money in: $11 million local (mostly property tax), $1.9 million state, $1.4 million federal. Long-term debt: $24.6 million.
Spent $11.6 million — $9.3 million to run schools, about $13,862 per student, plus $2.3 million on buildings and equipment. Money in: $5.3 million local (mostly property tax), $2.6 million state, $1.8 million federal.
Spent $6.3 million — $6 million to run schools, about $23,811 per student, plus $234,000 on buildings and equipment. Money in: $3.5 million local (mostly property tax), $2.2 million state, $1.6 million federal.
Spent $3.4 million — $3 million to run schools, about $17,657 per student, plus $441,000 on buildings and equipment. Money in: $1.3 million local (mostly property tax), $1.1 million state, $692,000 federal.
Spent $3.3 million — $3 million to run schools, about $21,985 per student, plus $70,000 on buildings and equipment. Money in: $1.7 million local (mostly property tax), $1.3 million state, $526,000 federal.
And 2 more.
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 Coconino County about $130.9 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
406 bridges in Coconino County: 210 in good condition, 192 fair, and 4 poor (1.0%). “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.
| SR 64 over Red Lake Wash · built 1936 | 4,618 vehicles a day |
| Parks-Wgn Wheel Rd over Volunteer Wash · built 1929 | 135 vehicles a day |
| IRR BIA RTE N6910 over SAN FRANCISCO WASH · built 1978 | 92 vehicles a day |
| IRR BIA RTE N6731 over MOENKOPI WASH · built 1915 | 50 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $263.8 million of work in Coconino County in fiscal 2025, about $1,818 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.
General election: Tuesday, November 3, 2026. Last day to register to vote: 2026-10-05. Early voting: 2026-10-07 to 2026-10-30. Last day to request a ballot by mail: 2026-10-23. Last suggested day to mail your ballot back: 2026-10-27. Election Day: 2026-11-03.
Source: Arizona Secretary of State, Sept. 4, 2026 · Arizona Secretary of State — 2025–2026 master elections calendar (PDF) · Arizona Secretary of State — election calendar
The budget, property tax rates, audits, local officials and offices for Coconino 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 Coconino County built: brayden.ozark@gmail.com.
More of Arizona: the state government and every county in Arizona.
Nearby counties: Navajo County (87 mi) · Yavapai County (94 mi) · Kane County, UT (100 mi) · Mohave County (111 mi) · Apache County (131 mi) · Washington County, UT (138 mi).