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William Koper

We found 7 people named William Koper in NY, PA, CA, DC & MD. View phone numbers, addresses, and public records.

People Named William Koper

William P Koper
44 · Hyattsville, MD
3117 Nicholson St, Hyattsville, MD 20782, USA
Updated Dec 2025
William J Koper
74 · Elmont, NY
370 Hunnewell Ave, Elmont, NY 11003, USA
Updated Sep 2025
William Koper
Orange, CA
122 S Calle Alta, Orange, CA 92869, USA
Updated Dec 2025
William Koper
Pittsburgh, PA
(412) 366-8972
8600 Wittmer Rd, Pitts, PA 15237, USA
1 phone Updated Dec 2025
William Koper
72 · Erie, PA
(814) 882-3888
921 Grant Ave, Erie, PA 16505, USA
1 phone Updated Jan 2026
William P Koper
43 · Washington, DC
3435 Holmead Pl NW, D.C., DC 20010, USA
Updated Sep 2025
William J Koper
74 · Northport, NY
(516) 437-5387
52 Makamah Beach Rd, Northport, NY 11768, USA
11 phones 6 addresses Updated Sep 2025

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Demographics

Based on a sample of 7 people named William Koper

About William Koper

William Koper is an extremely rare name in the United States, with 7 people sharing this name. That's approximately 1 in every 47,714,286 Americans. The highest concentration is in New York (29%), across 5 states total. The top city is Orange, CA with 1 people. The average age is 61 years old (median 72).

Age Distribution

35-44
40%
65+
60%
Age range: 43 – 74 years

Most Common First Names

For people with last name Koper

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Frequently Asked Questions

Common questions about people named William Koper

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

There are approximately 7 people named William Koper in the United States, found across 5 states.

Where do most people named William Koper live?

The highest concentration of people named William Koper is in New York (29% of all William Kopers). The top city is Orange, CA.

What is the average age of someone named William Koper?

Based on public records, the average age of people named William Koper is 61 years old.

How can I find a specific person named William Koper?

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 Koper 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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