Humboldt County, IA ZIP Codes
15 ZIP codes cover all or part of Humboldt County, Iowa. The Census Bureau counts 9,591 residents in the county, with a median household income of $71,946 and a median home value of $155,800. Median household income ranges from $56,364 in 50541 to $76,214 in 50548. Its largest communities include Humboldt, Dakota City, Livermore, Bode and Thor.
Humboldt County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 9,591 |
| Households | 4,219 |
| Median household income | $71,946 |
| Median home value | $155,800 |
| Median age | 42.1 |
| Median rent | $744 |
All 15 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 16,485 |
| Households (sum of ZIP codes) | 6,869 |
| Median household income, range across ZIP codes | $56,364 (50541) to $76,214 (50548) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $70,573 |
| Homeowners | 76.8% |
| Households with kids under 18 | 32.5% |
| Moved in the past year | 12.7% |
| Carrier routes in EDDM2GO's route library | 18 routes, 3,667 homes (8 of 15 ZIP codes) |
Top facts
- Highest median household income in Humboldt County: 50548 ($76,214)
- Most residents: 50548 (5,722 people)
- Highest homeownership: 50541 (80.8% own their home)
- Most households with kids: 50533 (38.5% of households)
- Most new movers: 50548 (18.6% moved in last year)
- Youngest median age: 50533 (33.2 years)
- Highest median home value: 50548 ($188,200)
Every ZIP code in Humboldt County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50548 | Humboldt | 5,722 | 2,408 | $76,214 | $188,200 | 72.4% | 34.1% | 18.6% | 8 | 2,808 | 92% of its land |
| 50533 | Eagle Grove | 3,977 | 1,524 | $65,595 | $110,200 | 74.1% | 38.5% | 14.8% | — | — | 11% of its land |
| 50541 | Gilmore City | 1,067 | 422 | $56,364 | $95,500 | 80.8% | 34.8% | 6.0% | — | — | 47% of its land |
| 50542 | Goldfield | 859 | 368 | $55,000 | $138,400 | 84.5% | 20.1% | 4.8% | 2 | 258 | 31% of its land |
| 50519 | Bode | 765 | 315 | $72,083 | $123,600 | 78.7% | 27.6% | 18.6% | — | — | 55% of its land |
| 50529 | Dakota City | 752 | 333 | $60,417 | $119,800 | 78.4% | 24.6% | 4.6% | — | — | 100% of its land |
| 50560 | Lu Verne | 732 | 259 | $66,042 | $83,900 | 63.7% | 44.8% | 7.6% | 2 | 217 | 15% of its land |
| 50558 | Livermore | 653 | 248 | $68,750 | $123,600 | 81.9% | 37.5% | 4.0% | 1 | 243 | 83% of its land |
| 50516 | Badger | 586 | 274 | $69,500 | $126,900 | 88.3% | 19.7% | 6.4% | 2 | 183 | 24% of its land |
| 50591 | Thor | 405 | 194 | $75,000 | $162,500 | 89.2% | 38.1% | 0.3% | — | — | 88% of its land |
| 50577 | Renwick | 341 | 202 | $57,500 | $107,400 | 89.1% | 15.3% | 6.0% | — | — | 57% of its land |
| 50570 | Ottosen | 203 | 102 | $67,813 | $202,000 | 78.4% | 19.6% | 5.0% | 1 | 73 | 64% of its land |
| 50582 | Rutland | 170 | 90 | $87,125 | — | 93.3% | 32.2% | 1.2% | 1 | 41 | 100% of its land |
| 50545 | Hardy | 139 | 78 | $31,429 | — | 84.6% | 17.9% | 5.0% | — | — | 100% of its land |
| 50520 | Bradgate | 114 | 52 | $73,750 | $44,300 | 98.1% | 9.6% | 0.0% | 1 | 45 | 93% of its land |
A ZIP code is listed for Humboldt County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Humboldt — 4,771 residents · 1 ZIP code
- Dakota City — 752 residents · 2 ZIP codes
- Livermore — 416 residents · 1 ZIP code
- Bode — 379 residents · 1 ZIP code
- Thor — 257 residents · 1 ZIP code
- Renwick — 229 residents · 1 ZIP code
- Rutland — 120 residents · 1 ZIP code
- Bradgate — 104 residents · 1 ZIP code
- St. Joseph — 73 residents · 1 ZIP code
- Ottosen — 31 residents · 1 ZIP code
- Hardy — 10 residents · 1 ZIP code
Price a mailing to Humboldt County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Humboldt County, IA?
- 50548, 50533, 50541, 50542, 50519, 50529, 50560, 50558, 50516, 50591, 50577, 50570, 50582, 50545 and 50520. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Humboldt County?
- 9,591 residents in 4,219 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Humboldt County?
- $71,946 for the county as a whole. Its ZIP codes range from $56,364 (50541) to $76,214 (50548).
- Which Humboldt County ZIP code has the highest median household income?
- 50548, at $76,214, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Humboldt County?
- For the 8 of 15 ZIP codes in EDDM2GO's stored route library: 18 carrier routes reaching 3,667 residential and 201 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.