13,677 people (2024 Census estimate, −1.7% since 2020)
4,857 square miles of land · 3 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.
8 active community water systems list Ketchikan Gateway Borough in the area they serve, reporting 10,838 people served in all (a system that crosses county lines counts its whole population).
| KETCHIKAN PUBLIC UTILITIES surface water · local government · AK2120232 | 8,937 served |
| SOUTH TONGASS WATER UTILITY surface water · local government · AK2121510 | 975 served |
| SAXMAN surface water · tribal · AK2120127 | 450 served |
| VALLENAR VIEW MOBILE HOME PARK surface water · private · AK2120012 | 225 served |
| KETCHIKAN WATER, TRUCK 1 buys surface water · private · AK2121527 | 100 served |
| KASAAN surface water · tribal · AK2120606 | 66 served |
| PORT PROTECTION groundwater (surface-influenced) · local government · AK2121123 | 60 served |
| KETCHIKAN H2O buys surface water · private · AK2121479 | 25 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.
No county jail figure in the national data for Ketchikan Gateway Borough — not gathered, never hidden. Some counties share a regional jail or have none.
1 school district has its office in Ketchikan Gateway Borough. School taxes are usually the largest part of a property tax bill.
Spent $49 million — $48 million to run schools, about $23,131 per student, plus $733,000 on buildings and equipment. Money in: $13.3 million local (mostly property tax), $31.2 million state, $3.2 million federal. Long-term debt: $7.6 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: Very Low compared with other U.S. counties. FEMA estimates natural hazards cost Ketchikan Gateway Borough about $1.9 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Relatively Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
107 bridges in Ketchikan Gateway Borough: 50 in good condition, 45 fair, and 12 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.
| SOUTH TONGASS HWY over WATER ST VIADUCT · built 1955 | 14,046 vehicles a day |
| SOUTH TONGASS HWY over HOADLEY CREEK · built 1957 | 11,900 vehicles a day |
| NORTH TONGASS HWY over WARD CREEK · built 1975 | 5,250 vehicles a day |
| PARK/HARRIS ST over KETCHIKAN CREEK · built 1957 | 2,512 vehicles a day |
| SHELTER COVE ROAD over HARRIET HUNT CREEK · built 1981 | 125 vehicles a day |
| SAYLES/GORGE ST over SAYLES/GORGE VIADUCT · built 1960 | 40 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $75.6 million of work in Ketchikan Gateway Borough in fiscal 2025, about $5,421 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 Alaska 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 Ketchikan Gateway Borough 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 Ketchikan Gateway Borough built: brayden.ozark@gmail.com.
More of Alaska: the state government and every county in Alaska.
Nearby counties: Wrangell City and Borough (62 mi) · Prince of Wales-Hyder Census Area (82 mi) · Petersburg Borough (137 mi) · Sitka City and Borough (206 mi) · Juneau City and Borough (235 mi) · Hoonah-Angoon Census Area (277 mi).