Data updated: July 2026
Mark Foster
@markrfoster · Instagram · US · history
About Mark Foster
@markrfoster's followers & following
@markrfoster currently has 21,295 followers on Instagram and follows 2,968 accounts, a follower-to-following ratio of 7.17. That places the account in the micro tier of history creators.
@markrfoster's content
@markrfoster has published 2,197 posts to date, working across static-posts, reels, carousels, stories. The account's content is classified under history, heritage-travel, travel. Bio: “Lyon Air Museum - Founded by General William Lyon and located at John Wayne Airport (KSNA) Orange County, CA USA 🇺🇸 @lyonairmuseum @martin…”
AI quality check on @markrfoster
Zaver's AI analyzed this account across 20+ parameters before listing it publicly. No blocking issues were detected in our standard screening.
- Audience location & demographics
- Engagement quality & authenticity
- Follower growth patterns
- Signs of purchased followers
- Content niche classification
- Brand safety screening
- Posting activity & consistency
- Language & audience fit
@markrfoster's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@markrfoster's audience
Audience snapshot
60% male · 40% female
Core age group35-44
Collaboration pricing
Price tierstandard
Get the AI fair-price estimate → free trialWhich brands fit Mark Foster?
Frequently asked questions
How many Instagram followers does @markrfoster have?
As of July 2026, @markrfoster has 21,295 followers (21K) on Instagram, follows 2,968 accounts, and has published 2,197 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @markrfoster?
Verified contact details for @markrfoster — including business email where available — are held in Zaver, alongside contacts for 77M+ other Instagram creators. Zaver users can unlock them instantly and reach out with AI-personalized outreach. Unlock @markrfoster's contact info — free trial →
How much does @markrfoster charge for a sponsored post?
@markrfoster sits in the standard price tier on Zaver, based on follower scale, engagement and niche. Zaver's AI pricing model also produces a fair per-post price range with justification, so brands can negotiate from data instead of guessing. Get the AI fair-price estimate →
What is @markrfoster's net worth?
@markrfoster's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 21K followers and a standard price tier in history, brand collaborations are a meaningful income stream — Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate →
Does @markrfoster have fake followers?
Zaver's AI authenticity check scores @markrfoster 95/100, based on 20+ signals including engagement quality, follower growth patterns and signs of purchased followers. That indicates a predominantly genuine audience. Run the full authenticity check →
Who follows @markrfoster?
@markrfoster's 21K followers skew 60% male / 40% female, core age group 35-44. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @markrfoster's report on Zaver.
Which influencers are similar to @markrfoster?
Zaver lists comparable history creators in United States in the "Influencers like @markrfoster" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 941 vetted history creators with plain-English queries.
