Zip Code 51011 — Chatsworth, IA

ZIP Code 51011 is associated with Chatsworth, IA, in Sioux County. The listed population estimate is 54; estimated density is 49.8 people per square mile. Among records with population estimates, it ranks #13 of 13 in Sioux County and #943 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.915620, -96.513880)

Data MetricLocal Statistic
Postal / Zip Code51011
Primary CityChatsworth
State / ProvinceIA
CountySioux
Total Population54
Population Density49.8 people/sq mi
TimezoneAmerica/Chicago

How 51011 Compares

MetricZIP 51011Sioux County recordsIA records
Population estimate5441,702 (sum)3,210,984 (sum)
Population Density49.8 /sq mi----
County population rank#13 of 13----
State population rank#943 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 51001Akron5.6 mi2,342
ZIP 51023Hawarden6.8 mi3,473
ZIP 51027Ireton10.0 mi1,280
ZIP 51008Brunsville14.4 mi210
ZIP 51062Westfield14.5 mi503

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 →