Gem County, ID Demographics & ZIP Codes

Gem County, Idaho demographics and median household income by ZIP code — 4 ZIP codes — population 19,044 — avg. income $73,685 — avg. home value $385,600. Compare income, housing, and ZIP-level data on US5.

ZIP codes

Population

19,044

Median household income (avg.)

$73,685

98% of U.S. median

Average home value

$385,600

111% of U.S. median

Average rent

$676

58% of U.S. median

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Gem County demographics

Gem County, Idaho covers 4 ZIP codes, with a combined ZIP-area population of about 19,044.

Median household income in Gem County

The average median household income across ZIP codes in Gem County, Idaho is about $73,685 — about 5% above the ID ZIP average ($70,279), and about even with the U.S. median ($75,149).

Among ZIPs with income data, 83670 is near the top at about $89,667, while 83617 (Emmett) is near the bottom at about $65,566.

Housing in Gem County

For housing in Gem County, Idaho, the average median home value is about $385,600 and the average median rent is about $676.

The most populous ZIP is 83617 (Emmett) with about 17,333 residents. Use the table below to compare ZIP codes across the county.

ZIP codes in Gem County

Sort by population, income, or home value. Click a column header to toggle ascending / descending.

ZIP	City	County	State	Population ↓	Income	Home value
83617	Emmett	Gem County	ID	17,333	$65,566	$364,200
83670	—	Gem County	ID	848	$89,667	$309,700
83636	Letha	Gem County	ID	566	—	—
83657	—	Gem County	ID	297	$65,821	$482,900

Frequently asked questions

What are the demographics of Gem County?

Gem County, Idaho has a combined ZIP-area population of about 19,044 across 4 ZIP codes. Browse the ZIP table for population, income, and housing by code.

What is the median household income in Gem County?

The average median household income across ZIP codes in Gem County, Idaho is about $73,685, about 5% above the state ZIP average ($70,279), and near the U.S. median ($75,149). Average median home value is about $385,600. Among ZIPs with data, 83670 is near the top ($89,667) and 83617 (Emmett) is near the bottom ($65,566).

How many ZIP codes are in Gem County?

Gem County, Idaho includes 4 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.

Where can I find ZIP code demographics for Gem County?

This page lists ZIP codes in Gem County, Idaho with population, median household income, and home value. Select a ZIP for a full demographics profile.