Iron, MN · standard
ZIP Code 55751
St. Louis County, Minnesota — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,553
- 10/sq mi
- $75,200
- Median income
- $202,400
- Median home value
- 15.5%
- Bachelor's or higher
The verdict
Iron pairs an above-median household income with below-median home values, in a rural, homeowner-dominated area.
- Top 45%
- household income, US ZIPs
- 44th pct
- home value, US ZIPs
- 10
- people per sq mi
- 95%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 55751 against every reporting US ZIP.
ZIP code 55751 is classified by USPS as a standard delivery area and covers roughly 158.5 square miles in Iron, St. Louis County, Minnesota. The area is home to 1,553 residents, producing a population density of 10 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 55751 against Minnesota and the nation.
On the economic side, the median household income for ZIP 55751 sits at $75,200 (8% below the Minnesota average), while per-capita income is $38,080. The poverty rate stands at 5.7% and the unemployment rate at 5.7%. On housing, the median home value is $202,400 (21% below the state average) with median rent at $700 per month, and 94.8% of occupied units are owner-occupied, a direct signal of whether 55751 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 15.5% of adults hold a bachelor's degree or higher, the median age is 49.9, and the average commute is —. We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing St. Louis County, so you can benchmark 55751 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 55751, Iron, MN · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
1,553
Population
158.5
Area (sq mi)
10
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 55751?
49.9
Median Age
51.0%
Male
49.0%
Female
0.6%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$75,200
Median Household Income
-8% vs state
$38,080
Per Capita Income
5.7%
Poverty Rate
5.7%
Unemployment Rate
How ZIP 55751 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$75,200 Top 45% higher than 55% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
681
Total Housing Units
612
Occupied Units
69
Vacant Units
2.27
Avg Household Size
Occupancy Type
$202,400
Median Home Value
-21% vs state
$700
Median Rent
1976
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 14 business establishments in ZIP 55751, employing approximately 57 people with a combined annual payroll of $3,954,000.
14
Businesses
57
Employees
$4.0M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 3 | 21.4% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 55751 vs 55768 →
ZIP 55751 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 55768
Mountain Iron (55768)
2,843 residents
- 55751
Iron (55751)
1,553 residents
- 55713 1,017
Buhl (55713)
1,017 residents
- 55738 544
Forbes (55738)
544 residents
- 55758 145
Kinney (55758)
145 residents
What this shows Among its immediate neighbors, ZIP 55751 ranks #2 by population — useful context the national average alone can't give.
ZIP 55751 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 55768
Mountain Iron (55768)
$86,075 median income
- 55738
Forbes (55738)
$82,969 median income
- 55751
Iron (55751)
$75,200 median income
- 55713
Buhl (55713)
$59,036 median income
- 55758
Kinney (55758)
$57,386 median income
What this shows By household income, ZIP 55751 ranks #3 of 5 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
More ZIP Codes in St. Louis County
Related Areas
Frequently Asked Questions
What county is ZIP code 55751 in? ▼
What is the population of ZIP code 55751? ▼
What is the median household income in ZIP 55751? ▼
What is the average home value in ZIP 55751? ▼
What is the demographic makeup of ZIP 55751? ▼
How many businesses are in ZIP code 55751? ▼
What is the education level in ZIP code 55751? ▼
What percentage of residents own vs. rent in ZIP 55751? ▼
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ZIP Code Research Guides
Official Data Resources for Iron, MN
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.