Zip Code 51244 — Matlock, IA

ZIP Code 51244 is associated with Matlock, IA, in Sioux County. The listed population estimate is 144; estimated density is 147.0 people per square mile. Among records with population estimates, it ranks #12 of 13 in Sioux County and #881 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.244300, -95.934360)

Data MetricLocal Statistic
Postal / Zip Code51244
Primary CityMatlock
State / ProvinceIA
CountySioux
Total Population144
Population Density147.0 people/sq mi
TimezoneAmerica/Chicago

How 51244 Compares

MetricZIP 51244Sioux County recordsIA records
Population estimate14441,702 (sum)3,210,984 (sum)
Population Density147.0 /sq mi----
County population rank#12 of 13----
State population rank#881 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 51201Sheldon5.5 mi6,430
ZIP 51234Boyden5.5 mi1,172
ZIP 51232Ashton7.1 mi658
ZIP 51237George7.3 mi1,605
ZIP 51239Hull11.0 mi2,876

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 →