Skip to content

Mark Duffer

We found 6 people named Mark Duffer in CA, VA, TX & IL. View phone numbers, addresses, and public records.

People Named Mark Duffer

Mark R Duffer
34 · East Peoria, IL
(309) 213-0925
3402 E Washington St, East Peoria, IL 61611, USA
2 phones 3 addresses Updated Jan 2026
Mark D Duffer
56 · Keller, TX
(817) 656-5424
1804 Mason Ct, Keller, TX 76248, USA
2 phones 2 addresses Updated Dec 2025
Mark R Duffer
61 · Red Oak, VA
(513) 398-6970
3016 Jeb Stuart Hwy, Red Oak, VA 23964, USA
7 phones 11 addresses Updated Dec 2025
Mark D Duffer
San Diego, CA
(858) 451-5707
12019 World Trade Dr, San Diego, CA 92128, USA
1 phone Updated Oct 2025
Mark Duffer
56 · Carlsbad, CA
7163 Tern Pl, Carlsbad, CA 92011, USA
Updated Jan 2026
Mark A Duffer
68 · Powhatan, VA
(804) 304-0918
2120 Tower Hill Rd, Powhatan, VA 23139, USA
2 phones Updated Nov 2025

Can't find the right Mark Duffer?

Try adding a city, state, or middle name

More people named Duffer

Demographics

Based on a sample of 6 people named Mark Duffer

About Mark Duffer

Mark Duffer is an extremely rare name in the United States, with 6 people sharing this name. That's approximately 1 in every 55,666,667 Americans. The highest concentration is in California (33%), across 4 states total. The top city is Keller, TX with 1 people. The average age is 55 years old (median 56).

Age Distribution

25-34
20%
55-64
60%
65+
20%
Age range: 34 – 68 years

Birth Decade

When people named Mark Duffer were born

20%
50s
20%
60s
40%
70s
20%
90s

Most Common First Names

For people with last name Duffer

Show 10 more names

Browse by State

Top Cities

Frequently Asked Questions

Common questions about people named Mark Duffer

How many people named Mark Duffer are there in the US?

There are approximately 6 people named Mark Duffer in the United States, found across 4 states.

Where do most people named Mark Duffer live?

The highest concentration of people named Mark Duffer is in California (33% of all Mark Duffers). The top city is Keller, TX.

What is the average age of someone named Mark Duffer?

Based on public records, the average age of people named Mark Duffer is 55 years old.

How can I find a specific person named Mark Duffer?

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 Mark Duffer 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.

Other popular Duffers