Humboldt
Source:
Iowa
Humboldt is a sparsely populated county in Iowa with 11 ZIP codes, 10,381 people, and below-median household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, Humboldt, IA sits among US counties with a below-median household income, on a sparsely populated county population base, across a compact ZIP cluster.
- 46th pct
- household income vs 3,210 US counties
- 10,381
- combined ZIP population
- 11
- USPS ZIP codes covered
- $66,040
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
Humboldt lands in the national county income distribution as below-median household income on sparsely populated county footing (FIPS 19091, 11 ZIPs, combined population 10,381). Sort the ZIP table by population before treating the county mean as uniform.
Below-median income on a compact ZIP cluster (11 codes). Population density still swings from downtown to farm-edge; the density column is the fastest filter before a side-by-side compare. County-level HUD and FBI inputs still key off FIPS 19091.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
11
Total ZIPs
10,381
Total Population
ZIP Codes in Humboldt
Side-by-side: Compare 50548 vs 50541 →
Frequently Asked Questions
What is the population of Humboldt?
Humboldt has a total population of 10,381 across 11 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Humboldt?
Humboldt includes 11 ZIP codes: 50548, 50541, 50529, 50519, 50558, 50577, 50591, 50570, 50582, 50545, and more.