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Treasure Idaho

City vs city

Onaway vs Post Falls, Idaho

Post Falls has about 208.2 times as many people as Onaway. They are about 55 miles apart in a straight line.

The basics

FigureOnawayPost Falls

Population

Source: U.S. Census Bureau population estimates (Vintage 2024) · July 1, 2024 estimate

Onaway

220

Post Falls

45,800

Onaway

Latah County

Post Falls

Kootenai County

Elevation

Source: USGS Geographic Names Information System · Checked Oct 3, 2026

Onaway

2,600 ft

Post Falls

2,200 ft

Distance to Boise (straight line)

Source: Straight line between the two town centers (USGS and Census coordinates) · Checked Oct 3, 2026

Onaway

231 mi

Post Falls

286 mi

Price level (U.S. average = 100)

Source: U.S. Bureau of Economic Analysis regional price parities, all items, for the metro area (via FRED) · 2024 data, released Feb 19, 2026 · Towns outside a metro area use Idaho's statewide figure.

Onaway

95.5

Post Falls

98.3

Work and getting around town

FigureOnawayPost Falls

Local businesses listed

Source: Local businesses listed on Treasure Idaho · Updated Oct 1, 2026

Onaway

1

Post Falls

11

Outdoors

FigureOnawayPost Falls

Named parks in town

Source: Named parks on OpenStreetMap · Checked Oct 2, 2026

Onaway

1

Post Falls

20

Trails within 15 miles

Source: Trails listed on Treasure Idaho (OpenStreetMap and public land agencies) · Checked Oct 2, 2026

Onaway

67

Post Falls

41

Things to do within 15 miles

Source: Things to do listed on Treasure Idaho (OpenStreetMap and USGS) · Checked Oct 2, 2026

Onaway

4

Post Falls

16

Allergies, in a typical year

FigureOnawayPost Falls

Spring tree pollen

Source: National Allergy Bureau daily pollen counts, CDC release 2003 to 2024 (Boise, Twin Falls, Coeur d'Alene stations) · Typical year; how it is rated is on each city page · Onaway uses the Coeur d'Alene station, 52 miles away.

Onaway

High

Post Falls

High

Early-summer grass pollen

Source: The Allergy Group (Boise) grass counts; NAB station reports for North Idaho · Typical year; how it is rated is on each city page · Onaway uses the Coeur d'Alene station, 52 miles away.

Onaway

High

Post Falls

High

Fall weed and sagebrush pollen

Source: National Allergy Bureau daily pollen counts, CDC release 2003 to 2024 (Boise, Twin Falls, Coeur d'Alene stations) · Typical year; how it is rated is on each city page · Onaway uses the Coeur d'Alene station, 52 miles away.

Onaway

Moderate

Post Falls

Moderate

Wildfire smoke (days a year over AQI 100)

Source: EPA AirData: annual AQI by county · 2021 to 2025 average

Onaway

Moderate, 3.8

Post Falls

Moderate, 4.6

Only figures both towns have are shown. Counts of communities, builders, jobs, businesses and stays are what Treasure Idaho lists today, not every one in town. Allergy ratings are typical, general guidance, not medical advice; each city page shows how its ratings were worked out.

Compare another pair

Moving guide

Moving to Idaho

A short guide from Treasure Idaho: regions, seasons, jobs, new-home communities, and the questions worth asking before you pick a town. Download it, then poke around the cities and the map.

Then look through the cities and the map.