Welcome to the Sweetwater, ID Website and Online Community

Sweetwater is located in Nez Perce County in the state of Idaho (ID).

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Sweetwater, Idaho, in Nez Perce County spans over 1.191 square miles and has a population of 143 citizens who are all invited to join us here on our site.
Latest Sweetwater, ID News:

More News Resources for Sweetwater
County Level News: Nez Perce County News
State Level News: State of Idaho News
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Sweetwater, ID Map (Interactive)

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Sweetwater Latitude: 46.4250 Longitude: -116.7550

The Zip Code for Sweetwater, ID is: 83540

We also provide additional resources for the rest of Nez Perce County and the State of Idaho.


Facts & Data:

Sweetwater Idaho Physical Characteristics:

Sweetwater has an area of 1.2 square miles
  • Land: 1.191149034749 Sq. Mi. (100.00%)
  • Water: 0 Sq. Mi.(0.00%)
The Sweetwater CDP takes up 0.1% of the area of Nez Perce County.

Map Location Coordinates:

  • Latitude: +46.3676367
  • Longitude: -116.7974798
Sweetwater Land Water Pie Chart

Sweetwater, ID Population Data:

According to the 2010 U.S. Census, the population of Sweetwater was 143 people, which is 0.4 % of the entire population of Nez Perce County.


  • 55.24% Male
  • 44.76% Female


  • 60.839% White
  • 0.000% Black
  • 0.000% Asian
  • 37.76% American Indian/Alaskan Native
  • 0.00% Pacific Islander
  • 1.399% Mixed
  • 0.000% Other


  • 97.20% Not Hispanic or Latino
  • 2.80% Hispanic or Latino
Sweetwater Race Population Ring Chart

Sweetwater, ID Housing Information:

Average Household Size: 2.4
Number of Residences: 64
  • Occupied: 59 (92.19%)
  • Vacant: 5 (7.81%)

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