Each edition grades its towns against each other only.
A town of 3,179, settled in 1884.
Iona grades A− overall, ranked 9th of 58 in Idaho, with clear strengths and some subjects that lag. It is healthier than 89% of U.S. towns. It also does better than most on schools: its schools outperform 69% of the state's. Its lowest everyday mark is in cost of living: homes are expensive, about $440K for a typical one and 5.5 times the Idaho Falls metro’s $80K median household income. Of the 59 Idaho towns we compare, none has a lower share of working residents who work in town than Iona. Iona Meetinghouse is on the National Register of Historic Places. Only 1 of the 59 Idaho towns we compare have a higher share of households owning their home than Iona.
1,803 counted in 2010 and 2,717 in 2020; an estimated 3,179 in 2025.
Growth hasn’t slowed: 16.6% since 2020, after 50.7% in the decade before.
U.S. Census 2010 & 2020 counts · Census Bureau estimate, July 1, 2025
Each subject compared with towns across the country (schools within Idaho), ordered by how far Iona is from typical.
How TownRatings grades towns →
Census counts: 353 in 1910, a low of 353 in 1910, 2,717 in 2020. The archive holds 4 old photos and papers going back to 2004 and 3 maps from 1948 on.
1 place on the National Register of Historic Places.
Who provides power, water and the rest in Iona, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 12, 2025.
Ordered by what stands out in Iona.
Iona pairs an A− overall with homes cheaper than the Idaho norm, has less tooth loss than most of Idaho and sends most of its workers to Idaho Falls and beyond.
Its widest gap with Idaho is tooth loss: 7.4% of those 65+ have lost all their teeth, against 16.2% statewide.
11% of adults report frequent physical distress in Iona, where Idaho’s towns sit at 14% and U.S. towns at 14%. 7.7% of Iona adults have diabetes. Iona beats the Idaho average on 14 of 32 CDC measures and trails it on 0.
| Iona | Idaho towns | U.S. towns | |
|---|---|---|---|
| Frequent physical distress (CDC PLACES) | 11% | 14% | 14% |
| Diabetes (CDC PLACES) | 7.7% | 10% | 12% |
| High blood pressure (CDC PLACES) | 27% | 31% | 35% |
| Get no exercise (CDC PLACES) | 18% | 23% | 25% |
| What stands out | Iona | ID |
|---|---|---|
| Fewer older adults who have lost all their teeth | 7.4% | 16.2% |
| Fewer adults with heart disease | 4.6% | 6.2% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Its public schools are run by the Bonneville Joint District. Its one school is below.
| School | Level | Students | Letter |
|---|---|---|---|
| Iona Elementary SchoolLargest public elementary schoolGrades PK–6 | Grades PK–6 | 661 | B |
NCES · EDFacts · graded within ID on state tests and graduation
Children under 18 are 43% of residents (24% statewide); people 65 and older are 9% of residents (17% statewide). At 27.3 years, Iona’s median age is below both the Idaho town median (35.2 years) and the median of U.S. towns (40.5 years). Iona has grown 17% since 2020, to 3,179 residents in the Census Bureau’s 2025 estimate.
| Iona | Idaho towns | U.S. towns | |
|---|---|---|---|
| Median age | 27.3 years | 35.2 years | 40.5 years |
| Aged 65 or older | 8.5% | 16% | 18% |
55% women, 45% men
About 83 men for every 100 women (the survey’s margin: ±3.8 points). Across Idaho, 49.7% of residents are women.
| Iona | ID | U.S. | |
|---|---|---|---|
| Under 10 | 22.6% | 12.5% | 11.6% |
| 10 to 17 | 20.6% | 11.6% | 10.3% |
| 18 to 24 | 5.6% | 9.8% | 9.1% |
| 25 to 34 | 12.8% | 13% | 13.7% |
| 35 to 44 | 18.1% | 13.1% | 13.2% |
| 45 to 54 | 5.5% | 11.3% | 12.2% |
| 55 to 64 | 6.3% | 11.7% | 12.7% |
| 65 to 74 | 6.2% | 10.4% | 10.2% |
| 75 and older | 2.3% | 6.6% | 7% |
| No diploma | 6.6% | 8.1% | 10.4% |
| High school | 27.3% | 26.1% | 26% |
| Some college | 26.8% | 24.2% | 19.1% |
| Associate’s | 11.7% | 9.7% | 8.8% |
| Bachelor’s | 17.1% | 21.3% | 21.6% |
| Graduate | 10.5% | 10.5% | 14.1% |
Census population estimates, 2025 · U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 3,200, single groups can be off by several points
Iona has 299 jobs for its 1,334 working residents: even if every job went to a resident, most would still commute out.
Most working residents leave Iona for work: only 1% work in town. Since 2013, Iona has added 254 jobs, to 299 in 2023. The average trip to work in Iona is 20 minutes.
| Iona | Idaho towns | U.S. towns | |
|---|---|---|---|
| Average trip to work | 20 minutes | 20 minutes | 25 minutes |
| Median household income | $85,000 | $67,000 | $80,000 |
| Below the poverty line | 12% | 11% | 9.6% |
Census LEHD 2023 · ACS
Iona has cold winters and warm summers, with very little rain. July afternoons reach 86° and January nights drop to 13°.
NOAA U.S. Climate Normals, 1991–2020
Expected storm and flood damage is lower than in 57% of U.S. communities.
FEMA National Risk Index · OpenFEMA
Iona grades A− overall with a typical home of about $440K, below the Idaho typical value; only 3 of the 8 Idaho towns graded A− or better can say that.
The typical Iona home is worth about $440,000, up 2.3% in a year, 8% below the Idaho typical home.
Zillow Home Value Index · Redfin Data Center
| Iona | Idaho towns | U.S. towns | |
|---|---|---|---|
| Miles of trail per square mile | 0.1 miles per square mile | 0.8 | 0.4 |
| Conserved land | 1.3% | 2.1% | 4.3% |
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Iona Park | — | 5 |
| 2. Pioneer Park | — | 2 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
2 within 15 miles of the center of Iona
About 3 of every 100 Iona residents are enrolled in college, against 6 across Idaho.
Where Iona’s working residents go each day. Line width shows the share.
Census LEHD 2023
City in Idaho, United States
Iona is a city in Bonneville County, Idaho, United States. It is part of the Idaho Falls, Idaho Metropolitan Statistical Area. The population was 2,717 at the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
By most measures, yes. Iona grades A− overall, better than 75% of U.S. towns and #9 of 58 in Idaho. It grades A for health and B+ for schools.
Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades C+.