Zip Code 50629 — Fairbank, IA

ZIP Code 50629 is associated with Fairbank, IA, in Buchanan County. The listed population estimate is 2,082; estimated density is 10.7 people per square mile. Among records with population estimates, it ranks #2 of 10 in Buchanan County and #272 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.642220, -92.081000)

Data MetricLocal Statistic
Postal / Zip Code50629
Primary CityFairbank
State / ProvinceIA
CountyBuchanan
Total Population2,082
Population Density10.7 people/sq mi
TimezoneAmerica/Chicago

How 50629 Compares

MetricZIP 50629Buchanan County recordsIA records
Population estimate2,08217,792 (sum)3,210,984 (sum)
Population Density10.7 /sq mi----
County population rank#2 of 10----
State population rank#272 of 969----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in IA

ZIP CodeCityDistancePopulation estimate
ZIP 50664Oran4.5 mi63
ZIP 50626Dunkerton6.2 mi1,468
ZIP 50662Oelwein8.1 mi6,576
ZIP 50668Readlyn8.1 mi1,216
ZIP 50641Hazleton8.8 mi1,950

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →