Each edition grades its towns against each other only.
A town of 362, settled in 1912.
36% of residents are under 18 in Arimo, above both Idaho’s towns (25%) and U.S. towns (22%). Of the 60 Idaho towns we compare, none has a higher share of households owning their home than Arimo. Arimo has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 290 in 1930, 354 in 2020. The archive holds 3 old photos and papers going back to 2004 and 2 maps from 1968 on.
Who provides power, water and the rest in Arimo, 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 Arimo.
Expected storm and flood damage is higher than in 82% of U.S. communities.
FEMA National Risk Index · OpenFEMA
0.8% of working residents work locally in Arimo, below both the Idaho town median (22%) and the median of U.S. towns (8%). 18% of residents live below the poverty line in Arimo. Among 60 Idaho towns, just 5 have a higher average trip to work than Arimo.
| Arimo | Idaho towns | U.S. towns | |
|---|---|---|---|
| Working residents who work in town | 0.8% | 22% | 8% |
| Below the poverty line | 18% | 12% | 9.6% |
| Average trip to work | 28 minutes | 20 minutes | 25 minutes |
| Median household income | $68,000 | $67,000 | $80,000 |
Census LEHD 2023 · ACS
Children under 18 are 36% of residents (24% statewide); adults 35 to 64 are 32% of residents (36% statewide). Arimo has grown 2.3% since 2020, to 362 residents in the Census Bureau’s 2025 estimate. 25% of adults 25 and older have a bachelor’s degree or more, vs 32% across Idaho.
46% women, 54% men
About 118 men for every 100 women (the survey’s margin: ±1.5 points). Across Idaho, 49.7% of residents are women.
| Arimo | ID | U.S. | |
|---|---|---|---|
| Under 10 | 20.5% | 12.5% | 11.6% |
| 10 to 17 | 15.4% | 11.6% | 10.3% |
| 18 to 24 | 7.7% | 9.8% | 9.1% |
| 25 to 34 | 11.4% | 13% | 13.7% |
| 35 to 44 | 16.2% | 13.1% | 13.2% |
| 45 to 54 | 10.5% | 11.3% | 12.2% |
| 55 to 64 | 5.1% | 11.7% | 12.7% |
| 65 to 74 | 9.4% | 10.4% | 10.2% |
| 75 and older | 3.7% | 6.6% | 7% |
| No diploma | 3% | 8.1% | 10.4% |
| High school | 22.2% | 26.1% | 26% |
| Some college | 36.4% | 24.2% | 19.1% |
| Associate’s | 13.6% | 9.7% | 8.8% |
| Bachelor’s | 20.7% | 21.3% | 21.6% |
| Graduate | 4% | 10.5% | 14.1% |
Census population estimates, 2025 · U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 400, single groups can be off by several points
Arimo has cold, snowy winters and warm summers, with very little rain. July afternoons reach 88°, January nights drop to 14° and about 45 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
Arimo beats the Idaho average on 1 of 32 CDC measures and trails it on 0. 75% of Arimo adults had a checkup this year.
| Arimo | Idaho towns | U.S. towns | |
|---|---|---|---|
| Yearly checkup (CDC PLACES) | 75% | 73% | 79% |
| Frequent physical distress (CDC PLACES) | 15% | 14% | 14% |
| Binge drink (CDC PLACES) | 15% | 15% | 16% |
| Feel lonely (CDC PLACES) | 31% | 30% | 33% |
| What stands out | Arimo | ID |
|---|---|---|
| More adults screened for colon cancer | 68.4% | 61.8% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
None within 15 miles of Arimo; the nearest are
About 3 of every 100 Arimo residents are enrolled in college, against 6 across Idaho.
Where Arimo’s working residents go each day. Line width shows the share.
Census LEHD 2023
City in Bannock County, Idaho, United States
Arimo is a city in the Marsh Valley in central Bannock County, Idaho, United States, that is part of the Pocatello metropolitan statistical area. The population was 354 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.
Arimo has fewer than 1,000 residents, too few for fair grades; the figures below are still real.