Richest ZIP codes in Cassia County, ID

These are the 6 ZIP codes in Cassia County with the highest median household income, out of 6 with at least 1,000 residents. 83318 (Burley, $71,282), 83346 (Oakley, $70,114) and 83211 (American Falls, $65,483) lead the list. There is no single "best" ZIP code in Cassia County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Richest ZIP codes in Cassia County

RankZIPMailing cityMedian household incomeResidentsHouseholdsResidential mailboxes
183318Burley$71,282 ±$5,86619,4596,6767,177
283346Oakley$70,114 ±$20,4421,451487307
383211American Falls$65,483 ±$12,9476,7432,289—
483344Murtaugh$65,417 ±$13,2051,234379395
583323Declo$60,625 ±$10,0231,984578—
683342Malta$56,818 ±$26,8501,231408380

How we ranked them

Ranked by median household income (ACS 5-year estimates, 2020–2024). The Census Bureau caps published medians at $250,000; ZIP codes at the cap are shown as $250,000+ and ordered by population. ZIP codes need at least 1,000 residents to be ranked; 6 of 8 qualify.

Which of these to mail, and why

Higher-income ZIP codes suit offers with a bigger ticket: remodeling, pools, roofing, financial planning, private schools, premium dining. A median describes the middle household, not every door, so the routes inside each ZIP still vary.

The top five ZIP codes on this list hold 10,409 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 83318 on the EDDM route map

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Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Cassia County has the highest median household income?
83318 (Burley), at $71,282 (±$5,866), among 6 ZIP codes with at least 1,000 residents.
How is this ranking calculated?
Ranked by median household income (ACS 5-year estimates, 2020–2024). The Census Bureau caps published medians at $250,000; ZIP codes at the cap are shown as $250,000+ and ordered by population.
Why are some ZIP codes missing?
ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.