Ione ( eye-OWN) is a city in Amador County, California, United States. As of the 2020 census the population is 5,141, which is a 35.1% decrease from the 2010 census. Once known as "Bedbug" and "Freeze Out," Ione was an important supply center on the main road to the Mother Lode and Southern Mines during the California gold rush.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

How Ione ranks

All →

#21Safest in CA #66Most new homes in CA #186Highest graduation rate in CA All CA rankings →

Town numbers

ZIP code95640

Area code209

Living in Ione

Housing in Ione

$466K≈ same as a year ago Typical home value · Zillow

The typical Ione home is worth about $466,000, about the same as a year ago, 39% below the California typical home.

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Ione

A⁻

Safety Grade A-

Ione reports less crime per resident than 75% of the U.S. towns and cities we grade.

Violent crime per 1,000

Ione 1

California 4.3

U.S. 3.3

Property crime per 1,000

Ione 3.1

California 18.2

U.S. 15.5

FBI crime data, 2025 · crimes reported to policeCrime & safety →

Work & commute in Ione

Full picture →

Most working residents leave Ione for work: only 7% work in town. The top destinations are Sacramento (7%), Jackson (6%) and Martell (3%). Half commute less than 30 miles.

Sacramento

Jackson

Martell

Stockton

7%Work in townlive and work in Ione 30 miWhere do people commute?the commute map 2,496Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Ione →

Health in Ione

B⁺

Health Grade B+

Healthier than 72% of U.S. towns on seven CDC estimates.

Compared with California

10better than CA·4worse

of 32 measures CDC estimates. The other 18 are too close to call.

Conditions 1▲ 4▼ 7 close Habits all close Care 3▲ 4 close Mind 2▲ 3 close Everyday needs 4▲ 0 close

BetterToo close to callWorse

What stands out

11.5%Fewer adults facing food insecurityCA 17.9% · better 7%Fewer uninsured adultsCA 10.6% · better 9.7%More adults who have had cancerCA 6.4% · worse

Care nearby

Sutter Amador HospitalJackson · 9.9 mi · ER

Wellspace Health - Amador Community Health CenterJackson · 8 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Ione · CMS · HRSAHealth in Ione →

Natural hazards in Ione

Very high

Expected storm and flood damage is higher than in 86% of U.S. communities.

🌵 Drought🌊 Inland flooding🔥 Wildfire

1Does Ione flood?paid flood claims since 1997 2Disasters that paid out herefederal disasters sent FEMA money to Ione

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Ione →

Climate in Ione

Full climate →

Ione has mild winters and hot summers. A typical July afternoon reaches 96°, a January night drops to 39°, and snow is almost unheard of.

58° / 39°Winter

73° / 47°Spring

93° / 59°Summer

78° / 50°Fall

How much snow does Ione get?Almost none.Rain & snow →When is the first frost?Around Dec 11, with the last in spring around Mar 4.Frost dates →Is it warmer than it used to be?+1.1° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Ione →

Schools in Ione

All Ione schools →

C⁺

School Grade C+

The public schools Ione’s kids attend, from kindergarten through graduation, trail 56% of California’s districts on state tests and graduation. Among towns with similar incomes, they rank near the bottom.

See how Ione’s schools compare in CA →

DistrictAmador County UnifiedSchools2

Ione Elementary B-Elementary · Grades K–6 · 564 students Ione Junior High CMiddle · Grades 6–8 · 387 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within CA. Ratings are from neighbors.