Cities in Washington County, Idaho by Population (2024)

There are 5 cities in Washington County, Idaho.

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

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City
Rank
2024 Population
2020 Population
Annual Change
Density (/mi²)
Area (mi²)
Type
Payette18,7848,1921.71%2,1474.1City
Fruitland27,1356,1093.72%2,9722.4City
Weiser36,1885,6602.18%2,0753.0City
Cambridge43583361.42%7400.5City
Midvale52221962.78%862.6City

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Washington County, Idaho?

Payette is the largest city in Washington County.

What is the smallest city in Washington County, Idaho?

Midvale is the smallest city in Washington County.

How many cities are in Washington County?

There are 5 cities in Washington County, Idaho.

Frequently Asked Questions