132,474 people (2024 Census estimate, +2.7% since 2020)
2,290 square miles of land · 58 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.
40 active community water systems list Linn County in the area they serve, reporting 104,303 people served in all (a system that crosses county lines counts its whole population).
| ALBANY, CITY OF surface water · local government · OR4100012 | 57,997 served |
| LEBANON, CITY OF surface water · local government · OR4100473 | 18,945 served |
| SWEET HOME, CITY OF surface water · local government · OR4100851 | 10,322 served |
| HARRISBURG, CITY OF groundwater · local government · OR4100366 | 3,684 served |
| CITY OF MILLERSBURG buys surface water · local government · OR4101533 | 2,615 served |
| BROWNSVILLE, CITY OF groundwater (surface-influenced) · local government · OR4100152 | 1,906 served |
| MILL CITY WATER DEPARTMENT groundwater · local government · OR4100520 | 1,830 served |
| LYONS MEHAMA WATER DISTRICT surface water · local government · OR4100493 | 1,300 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 168 people were held in Linn County's jail, in Vera's latest figure (2023), or 205 per 100,000 residents ages 15–64. In 2018 it was about 197.
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.
7 school districts have their office in Linn County. School taxes are usually the largest part of a property tax bill.
Spent $159.7 million — $134.9 million to run schools, about $14,894 per student, plus $15.9 million on buildings and equipment. Money in: $52 million local (mostly property tax), $90.5 million state, $18.2 million federal. Long-term debt: $163 million.
Spent $62.7 million — $59.7 million to run schools, about $14,716 per student, plus $1.8 million on buildings and equipment. Money in: $19.4 million local (mostly property tax), $42.1 million state, $5.8 million federal. Long-term debt: $31.1 million.
Spent $38.8 million — $35.8 million to run schools, about $13,663 per student, plus $2.1 million on buildings and equipment. Money in: $5.5 million local (mostly property tax), $29.8 million state, $2.5 million federal. Long-term debt: $20 million.
Spent $34.6 million — $32.8 million to run schools, about $14,016 per student. Money in: $9.9 million local (mostly property tax), $26.1 million state, $3.4 million federal. Long-term debt: $20.7 million.
Spent $25.7 million — $22.5 million to run schools, about $13,305 per student, plus $3.2 million on buildings and equipment. Money in: $2.5 million local (mostly property tax), $22.1 million state, $1.2 million federal.
Spent $13.1 million — $11.6 million to run schools, about $14,892 per student, plus $1.2 million on buildings and equipment. Money in: $3.9 million local (mostly property tax), $8.6 million state, $2.1 million federal. Long-term debt: $7.7 million.
Spent $11.8 million — $9.5 million to run schools, about $17,685 per student, plus $2.3 million on buildings and equipment. Money in: $4.7 million local (mostly property tax), $6.7 million state, $994,000 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 Linn County about $71.1 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.
564 bridges in Linn County: 106 in good condition, 363 fair, and 95 poor (16.8%). “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.
| US 20 (HWY 16) EB over Lebanon Ditch · built 1921 | 18,798 vehicles a day |
| SALEM AVE over COX CREEK · built 1940 | 11,330 vehicles a day |
| COLUMBUS ST. over OAK CREEK OFLOW · built 1991 | 4,841 vehicles a day |
| OR 99E (Hwy 58) over Creek · built 1954 | 3,351 vehicles a day |
| 9TH AVE over SANTIAM-ALBANY CANAL · built 1930 | 2,575 vehicles a day |
| TANGENT DR over TRIBUTARY OF LAKE CREEK · built 1968 | 2,400 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $39.6 million of work in Linn County in fiscal 2025, about $308 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 Oregon 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 Linn 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 Linn County built: brayden.ozark@gmail.com.
More of Oregon: the state government and every county in Oregon.
Nearby counties: Marion County (28 mi) · Lane County (43 mi) · Benton County (44 mi) · Clackamas County (49 mi) · Polk County (51 mi) · Yamhill County (65 mi).