Waukesha County, Wisconsin
26 ZIP codes · 549.72 sq mi of land · FIPS 55133
| Population | 411,762 |
|---|---|
| State | Wisconsin |
| FIPS code | 55133 |
| Time zone | Central |
| Land area | 549.72 sq mi |
| Center (lat, long) | 43.0184, -88.3042 |
Area codes in this area
These are the area codes that most often serve Waukesha County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
Waukesha · 71,233Brookfield · 41,273New Berlin · 40,270Menomonee Falls · 39,539Muskego · 25,406Oconomowoc · 19,080Pewaukee · 16,211ButlerDelafieldHartlandLannonNashotahOkaucheeSussexBig BendDousmanEagleElm GroveGenesee DepotMukwonagoNorth PrairieWales
ZIP codes in Waukesha County
53005 Brookfield53007 Butler53018 Delafield53029 Hartland53045 Brookfield53046 Lannon53051 Menomonee Falls53058 Nashotah53066 Oconomowoc53069 Okauchee53072 Pewaukee53089 Sussex53103 Big Bend53118 Dousman53119 Eagle53122 Elm Grove53127 Genesee Depot53146 New Berlin53149 Mukwonago53150 Muskego53151 New Berlin53153 North Prairie53183 Wales53186 Waukesha53188 Waukesha53189 Waukesha
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.