Zip Code 50702 — Waterloo, IA

ZIP Code 50702 is associated with Waterloo, IA, in Black Hawk County. The listed population estimate is 20,882; estimated density is 824.8 people per square mile. Among records with population estimates, it ranks #3 of 12 in Black Hawk County and #43 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.457450, -92.312830)

Data MetricLocal Statistic
Postal / Zip Code50702
Primary CityWaterloo
State / ProvinceIA
CountyBlack Hawk
Total Population20,882
Population Density824.8 people/sq mi
TimezoneAmerica/Chicago

How 50702 Compares

MetricZIP 50702Black Hawk County recordsIA records
Population estimate20,882134,441 (sum)3,210,984 (sum)
Population Density824.8 /sq mi----
County population rank#3 of 12----
State population rank#43 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 50707Evansdale2.2 mi7,784
ZIP 50701Waterloo3.2 mi30,232
ZIP 50667Raymond4.5 mi899
ZIP 50634Gilbertville5.7 mi761
ZIP 50703Waterloo6.5 mi17,952

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 →