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John Kostos

We found 7 people named John Kostos in IL, DE, PA, CA & MD. View phone numbers, addresses, and public records.

People Named John Kostos

John C Kostos
83 · Schaumburg, IL
(847) 980-2477
959 Glastonbury Ln, Schaumburg, IL 60193, USA
1 phone Updated Nov 2025
John G Kostos
75 · Townsend, DE
1502 El Dorado Way, Townsend, DE 19734, USA
Updated Sep 2025
John A Kostos
Lakeside, CA
(619) 443-4024
12810 Wildcat Canyon Rd, Lakeside, CA 92040, USA
2 phones Updated Aug 2025
John Kostos
Roselle, IL
(224) 595-4569
225 Main St, Roselle, IL 60172, USA
1 phone Updated Nov 2025
John C Kostos
Schaumburg, IL
(847) 985-2477
100 Glenridge Ln, Schaumburg, IL 60193, USA
1 phone Updated Jan 2026
John Kostos
Beaver Falls, PA
(724) 350-0936
901 37th St Ext, Beaver Falls, PA 15010, USA
1 phone Updated Oct 2025
John G Kostos
75 · Essex, MD
(410) 687-1678
433 Hopkins Landing Dr, Essex, MD 21221, USA
2 phones Updated Jan 2026

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Demographics

Based on a sample of 7 people named John Kostos

About John Kostos

John Kostos 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 Illinois (43%), across 5 states total. The top city is Schaumburg, IL with 2 people. The average age is 78 years old (median 75).

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Frequently Asked Questions

Common questions about people named John Kostos

How many people named John Kostos are there in the US?

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

Where do most people named John Kostos live?

The highest concentration of people named John Kostos is in Illinois (43% of all John Kostoss). The top city is Schaumburg, IL.

What is the average age of someone named John Kostos?

Based on public records, the average age of people named John Kostos is 78 years old.

How can I find a specific person named John Kostos?

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 John Kostos 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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