PUBLIC REGISTRY INFORMATION

311 registered sex offenders in Jefferson County, Wisconsin

See the October 2026 registry snapshot for Jefferson County and search the map near a specific address.

Registry snapshot

October 2026
Registry records
311
Registry source
Wisconsin Sex Offender Registry

This is a snapshot. Check the official registry for current information.

Registry statistics

Population and rate comparison
Registry records per 10,000 residents
36.2
14% above the Wisconsin statewide rateWisconsin: 31.8 per 10,000
Population estimate
86,003
About 1 registry record per
277 residents
Rank by registry rate#34 of 72 Wisconsin counties

U.S. Census Bureau, ACS 5-year estimate.

About this snapshot

The October 2026 snapshot lists 311 registry records in Jefferson County, Wisconsin. With an estimated population of 86,003, that is 36.2 registry records per 10,000 residents. This is 14% above the Wisconsin statewide rate (31.8 per 10,000).

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Cities near Jefferson County

LocationRegistry recordsPopulation estimateRecords per 10,000
Waukesha277——
Watertown13222,77458.0
Whitewater7615,80748.1
Fort Atkinson7312,46358.6
Jefferson567,73272.4
Oconomowoc2919,08015.2
Edgerton286,01446.6
Waterloo183,60050.0
Sullivan16663241.3
Milton155,70626.3
Lake Mills136,47020.1
Cambridge121,61774.2
Walworth112,75939.9
Ixonia102,68437.3
Palmyra62,19527.3
Helenville5——
Johnson Creek43,36211.9
Fordatkinson1——
Waterton1——

ZIP codes near Jefferson County

LocationRegistry recordsPopulation estimateRecords per 10,000
ZIP code 5318815334,89243.8
ZIP code 530948717,99848.3
ZIP code 531907820,49938.1
ZIP code 535387218,81338.3
ZIP code 53549569,87356.7
ZIP code 530985111,35344.9
ZIP code 530662937,5587.7
ZIP code 535342812,24122.9
ZIP code 53594185,19934.6
ZIP code 53178162,49764.1
ZIP code 535631511,28013.3
ZIP code 53523135,07425.6
ZIP code 53551139,73113.4
ZIP code 5303693,73024.1
ZIP code 5315663,23218.6
ZIP code 5313751,65030.3
ZIP code 5303834,1927.2

Other counties in Wisconsin

LocationRegistry recordsPopulation estimateRecords per 10,000
Kenosha County694168,43841.2
Racine County675197,53234.2
Marathon County618138,40344.7
Waukesha County523411,76212.7
Sheboygan County449117,99138.1
Eau Claire County398107,11637.2
Wood County36674,00449.5
Fond du Lac County337104,13732.4
La Crosse County323120,48826.8
Manitowoc County31581,40638.7
Marinette County22742,04654.0
Juneau County15726,68958.8
Oneida County13338,16734.8
Langlade County12819,49065.7
Lincoln County11028,42638.7
Trempealeau County9030,83929.2
Vernon County8231,04926.4
Kewaunee County7520,66436.3
Lafayette County5016,94229.5
Forest County359,36937.4

Each area shows its own total. City, county, and ZIP totals can overlap. Population figures, where shown: U.S. Census Bureau, ACS 5-year estimate.

Frequently asked questions

How many registered sex offenders are listed in Jefferson County?

The October 2026 snapshot lists 311 registry records in Jefferson County, Wisconsin. Counts may differ from official registry totals. Check the official registry for current details.

How do city, county, and ZIP totals relate?

City, county, and ZIP boundaries can overlap, so the same registry record may appear in more than one area.

How can I check registry information near an address?

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