Iron

Source:

Michigan

Iron is a county in Michigan with 6 ZIP codes and a total population of 11,760. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

Iron is a county inside Michigan (FIPS code 26071) that contains 6 USPS ZIP codes covering a combined population of 11,760 according to Census ACS 5-Year Estimates. Counties are the natural bridge between state-level summaries and ZIP-level detail — crime statistics, HUD Fair Market Rents, and childcare pricing are all published at the county level, while household income and housing values are published at the ZIP level. This page reconciles the two views so you can see which ZIPs drive the county totals.

The 6 ZIPs listed below are ordered by population and each links to the full ZIP detail page with Census demographics, housing, income, home-price history, and cross-agency inputs. The most populated ZIP in Iron is 49935 covering Iron River with 6,096 residents at 5 people per square mile. Population density across ZIPs in this county varies — use the density column to spot urban cores versus rural delivery areas. A single county can contain both a dense downtown ZIP and a large rural ZIP covering several hundred square miles.

Because Iron uses FIPS code 26071, it joins cleanly to county-level federal datasets: HUD Fair Market Rent tables, FBI Uniform Crime Report data, and the Department of Labor National Database of Childcare Prices all key off the same code. That is how neighborhood scorecards combine ZIP-level Census demographics with county-level safety and affordability metrics. All data on this page comes from U.S. Census Bureau ACS 2023 5-Year Estimates and USPS ZIP Code Tabulation Area files — no estimates, no proprietary sources, no editorial scoring.

6

Total ZIPs

11,760

Total Population

ZIP Codes in Iron

Side-by-side: Compare 49935 vs 49920 →

ZIP Code City Population Density
49935 Iron River 6,096 5
49920 Crystal Falls 4,273 4
49915 Caspian 630 270
49927 Gaastra 483 11
49902 Alpha 145 178
49903 Amasa 133 0

What are common questions about ZIP codes in this county?

What is the population of Iron?
Iron has a total population of 11,760 across 6 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Iron?
Iron includes 6 ZIP codes: 49935, 49920, 49915, 49927, 49902, 49903.
What is the median household income in Iron?
Median household income data for individual ZIP codes in Iron is available on each ZIP code's detail page. Visit any ZIP code link below to see income, housing, and demographic data.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.