Humboldt County, IA Zip Codes
55 zip codes across 45 cities in Humboldt County, IA
About Humboldt County
Humboldt County, Iowa (IA) contains 55 unique zip codes spanning 45 cities and communities. Each zip code covers a different area within the county, with varying demographics, income levels, and housing markets.
Browse the complete list below to find detailed population, income, home values, cost of living, and climate data for any zip code in Humboldt County.
Cities in Humboldt County
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All Zip Codes in Humboldt County, IA
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Frequently Asked Questions
How many zip codes are in Humboldt County, IA?
Humboldt County, IA has 55 zip codes across 45 cities.
What cities are in Humboldt County?
Cities in Humboldt County include Alderpoint, Arcata, Bayside, Blocksburg, Blue Lake, Bode, Bradgate, Bridgeville, Carlotta, Dakota City, Denio, Eureka, Ferndale, Fields Landing, Fortuna, Garberville, Gilmore City, Golconda, Honeydew, Hoopa, Humboldt, Hydesville, Livermore, Loleta, Mc Dermitt, Miranda, Myers Flat, Orick, Orleans, Orovada, Paradise Valley, Petrolia, Phillipsville, Redcrest, Redway, Renwick, Rio Dell, Thor, Trinidad, Weott, Whitethorn, Willow Creek, Winnemucca, Zcta 505hh, Zcta 955xx.
What state is Humboldt County in?
Humboldt County is located in Iowa (IA).
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.