157,765 people (2024 Census estimate, +1.7% since 2020)
1,910 square miles of land · 83 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.
45 active community water systems list Santa Fe County in the area they serve, reporting 134,826 people served in all (a system that crosses county lines counts its whole population).
| SANTA FE WATER SYSTEM (CITY OF) surface water · local government · NM3505126 | 90,810 served |
| ENTRANOSA WATER ASSOCIATION groundwater · private · NM3524626 | 8,500 served |
| ELDORADO AREA WATER AND SANITATION DIST. buys surface water · local government · NM3537326 | 7,082 served |
| EPCOR WATER NEW MEXICO INC., EDGEWOOD groundwater · private · NM3500326 | 6,795 served |
| SANTA FE COUNTY SOUTH SECTOR buys surface water · local government · NM3500826 | 6,775 served |
| SANTA FE COUNTY WEST SECTOR buys surface water · local government · NM3500926 | 3,150 served |
| GLORIETA CAMPS groundwater · private · NM3504626 | 2,700 served |
| LAS CAMPANAS WATER SYSTEM buys surface water · private · NM3500626 | 1,937 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 257 people were held in Santa Fe County's jail, in Vera's latest figure (2023), or 281 per 100,000 residents ages 15–64. In 2018 it was about 522.
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.
2 school districts have their office in Santa Fe County. School taxes are usually the largest part of a property tax bill.
Spent $236.1 million — $174.4 million to run schools, about $14,817 per student, plus $51.6 million on buildings and equipment. Money in: $79.7 million local (mostly property tax), $132.7 million state, $29.6 million federal. Long-term debt: $244.6 million.
Spent $26.2 million — $24.1 million to run schools, about $14,768 per student, plus $1.9 million on buildings and equipment. Money in: $3.4 million local (mostly property tax), $20.5 million state, $4.9 million federal. Long-term debt: $5.1 million.
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 Santa Fe County about $48.9 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Low; social vulnerability: Relatively High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
255 bridges in Santa Fe County: 106 in good condition, 144 fair, and 5 poor (2.0%). “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.
| I-25 NBL over SF Southern R/R · built 1974 | 34,354 vehicles a day |
| US-84/285 over UNNAMED WATERWAY · built 1955 | 30,344 vehicles a day |
| I-25 NBL over ARROYO HONDO RD · built 1975 | 24,998 vehicles a day |
| I-25 SBL over SF Southern R/R · built 1974 | 19,503 vehicles a day |
| I-25 NBL/SBL over VALENCIA EXIT · built 1957 | 15,700 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $1 billion of work in Santa Fe County in fiscal 2025, about $6,539 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 New Mexico 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 Santa Fe 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 Santa Fe County built: brayden.ozark@gmail.com.
More of New Mexico: the state government and every county in New Mexico.
Nearby counties: Los Alamos County (31 mi) · Bernalillo County (51 mi) · Sandoval County (53 mi) · San Miguel County (65 mi) · Torrance County (66 mi) · Mora County (67 mi).