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William Klass

We found 21 people named William Klass across 13 states. View phone numbers, addresses, and public records. Use the state filter to narrow results.

Geographic Distribution

Where people named William Klass live in the US

Klass Across the US

AK: No data AL: No data AR: No data AZ: No data California: 2 people Colorado: 2 people CT: No data DC: No data DE: No data FL: No data GA: No data HI: No data IA: No data ID: No data Illinois: 2 people IN: No data KS: No data KY: No data LA: No data MA: No data MD: No data ME: No data MI: No data MN: No data MO: No data MS: No data MT: No data NC: No data ND: No data NE: No data NH: No data NJ: No data NM: No data NV: No data New York: 2 people OH: No data OK: No data OR: No data PA: No data RI: No data SC: No data SD: No data TN: No data TX: No data UT: No data VA: No data VT: No data WA: No data Wisconsin: 5 people WV: No data WY: No data
Fewer Level 1 Level 2 Level 3 Level 4 Level 5 More

Highest Concentration

Per 100,000 residents

Demographics

Based on a sample of 21 people named William Klass

About William Klass

William Klass is a very rare name in the United States, with 21 people sharing this name. That's approximately 1 in every 15,904,762 Americans. The highest concentration is in Wisconsin (24%), across 13 states total. The top city is Aurora, CO with 2 people. The average age is 58 years old (median 55).

Age Distribution

35-44
30%
45-54
10%
55-64
30%
65+
30%
Age range: 39 – 84 years

Birth Decade

When people named William Klass were born

10%
40s
20%
50s
10%
60s
30%
70s
30%
80s

Most Common First Names

For people with last name Klass

Show 10 more names

Narrow Your Search

Browse by State

Top Cities

People Named William Klass

William J Klass
39 · Freehold, NJ
(856) 904-5078
115 Lancaster Rd, Freehold, NJ 07728, USA
1 phone Updated Jan 2026
William J Klass
Green Bay, WI
(920) 499-4198
913 Spence St, Green Bay, WI 54304, USA
1 phone Updated Nov 2025
William R Klass
Deltona, FL
(407) 320-1871
3218 Roland Dr, Deltona, FL 32738, USA
1 phone Updated Aug 2025
William Klass
Portland, OR
(503) 816-3994
5304 SE 68th Ave, Portland, OR 97206, USA
1 phone Updated Aug 2025
William E Klass
Oceanside, CA
(760) 967-8292
3903 Mesa Dr, Oceanside, CA 92056, USA
1 phone Updated Oct 2025
William H Klass
84 · Green Bay, WI
(920) 499-9522
1340 Glen Rd, Green Bay, WI 54313, USA
1 phone Updated Dec 2025
William Klass
Towson, MD
(410) 256-6948
1104 Metfield Rd, Towson, MD 21286, USA
1 phone 1 address Updated Sep 2025
William Klass
De Soto, KS
8445 Peoria St, De Soto, KS 66018, USA
Updated Aug 2025
William S Klass
76 · Willowbrook, IL
(630) 986-8789
16W585 87th St, Willowbrook, IL 60527, USA
3 phones 1 relative Updated Nov 2025
William R Klass
62 · Bay Shore, NY
(631) 455-6852
1116 Joselson Ave, Bay Shore, NY 11706, USA
1 phone Updated Sep 2025
William R Klass
Cornell, WI
(715) 239-6645
500 Bates St, Cornell, WI 54732, USA
1 phone Updated Nov 2025
William Robert Klass
Plymouth, NC
301 Roanoke Ave, Plymouth, NC 27962, USA
Updated Nov 2025
William R Klass
Deer Park, NY
(631) 697-4555
450 Skidmore Rd, Deer Park, NY 11729, USA
2 phones Updated Sep 2025
William Klass
55 · Aurora, CO
(303) 923-3884
3500 S Zeno Way, Aurora, CO 80013, USA
2 phones Updated Dec 2025
William Joseph Klass JR
73 · Kenosha, WI
(224) 406-1060
2713 50th St, Kenosha, WI 53140, USA
8 phones 11 addresses Updated Sep 2025
William J Klass
51 · New Franken, WI
(920) 866-2124
4457 Maggie Jennie Ln, New Franken, WI 54229, USA
1 phone Updated Nov 2025
William Klass
43 · Calabasas, CA
(818) 222-4567
4305 Park Fortuna, Calabasas, CA 91302, USA
3 phones Updated Nov 2025
William Klass
Galena, IL
(815) 791-4846
4 Gleneagle Dr, Galena, IL 61036, USA
1 phone Updated Oct 2025
William R Klass
Thornville, OH
(740) 649-2090
12522 National Rd, Thornville, OH 43076, USA
2 phones Updated Dec 2025
William Franklin Klass
55 · Aurora, CO
(720) 378-2769
2591 S Olathe Way, Aurora, CO 80013, USA
1 phone Updated Nov 2025
William L Klass
42 · Center Point, IN
(913) 271-8390
1469 S Saline 3rd St, Center Point, IN 47840, USA
2 phones Updated Sep 2025

Frequently Asked Questions

Common questions about people named William Klass

How many people named William Klass are there in the US?

There are approximately 21 people named William Klass in the United States, found across 13 states.

Where do most people named William Klass live?

The highest concentration of people named William Klass is in Wisconsin (24% of all William Klasss). The top city is Aurora, CO.

What is the average age of someone named William Klass?

Based on public records, the average age of people named William Klass is 58 years old.

How can I find a specific person named William Klass?

You can narrow your search by selecting a state or city from the filters above. Each profile includes phone numbers, addresses, and other public records to help you identify the right person.

Is the information about William Klass accurate?

Our data is compiled from publicly available records and is regularly updated. However, we recommend verifying any information independently. If you find an error, please use the report feature on the individual profile page.

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