279,695 people (2024 Census estimate, −6.9% since 2020)
62 square miles of land · 4,532 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.
1 active community water system list St. Louis city in the area they serve, reporting 304,709 people served in all (a system that crosses county lines counts its whole population).
| ST LOUIS CITY PWS surface water · local government · MO6010715 | 304,709 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 589 people were held in St. Louis city's jail, in Vera's latest figure (2024), or 305 per 100,000 residents ages 15–64. In 2019 it was about 1,056.
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.
1 school district has its office in St. Louis city. School taxes are usually the largest part of a property tax bill.
Spent $455.1 million — $421.7 million to run schools, about $23,017 per student, plus $15.5 million on buildings and equipment. Money in: $309.7 million local (mostly property tax), $62.2 million state, $146.2 million federal. Long-term debt: $164.5 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 High compared with other U.S. counties. FEMA estimates natural hazards cost St. Louis city about $359.2 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Relatively High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
239 bridges in St. Louis city: 78 in good condition, 139 fair, and 22 poor (9.2%). “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.
| IS 64 E over CST VANDEVENTER AVE CST · built 1956 | 59,295 vehicles a day |
| KINGSHIGHWAY over METROLINK · built 1937 | 45,900 vehicles a day |
| IS 55 N over MO PAC RR · built 1963 | 44,800 vehicles a day |
| IS 64 E over IS 44 CST 4TH ST CST · built 1964 | 34,244 vehicles a day |
| LINDELL-UNION over FOREST PARK PKWY · built 1961 | 33,500 vehicles a day |
| LINDELL-UNION over METROLINK · built 1929 | 30,000 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $713.4 million of work in St. Louis city in fiscal 2025, about $2,366 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 Missouri 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 St. Louis city 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 St. Louis city built: brayden.ozark@gmail.com.
More of Missouri: the state government and every county in Missouri.
Nearby counties: St. Louis County (11 mi) · St. Clair County, IL (21 mi) · Madison County, IL (23 mi) · Monroe County, IL (25 mi) · St. Charles County (25 mi) · Jefferson County (31 mi).