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O'Fallon city, MO · market profile

O'Fallon city, MO

O'Fallon city, MO is one of the largest US markets, with 92,697 residents and a median household income of $107K. At the 98th percentile of US cities by population, the local services economy here is wide and deep — every vertical we track has 100+ active operators, and the long tail of single-truck contractors is several hundred deep. O'Fallon city's scale changes the prospecting playbook — broad keyword reach matters less than vertical depth and brand signal.

31
of 100
Thin market
Population
92,697
Median HHI
$107,203
Median Home Value
$305,100
Homeownership
78%
Median Home Age
2000
Businesses Profiled
36

How O'Fallon city's demographics shape the local-services market

Median household income in O'Fallon city is $107K — 43% above the US median of $75K. Premium spending power changes what closes here — warranty upgrades, annual service plans, and bundled replacements all attach at meaningfully higher rates than in median-income metros.

78% of O'Fallon city households own their home, against a US median of 65%. When most roofs belong to the people living under them, demand collapses onto a single decision-maker per address — exactly the buyer residential-trades marketing is built for. Neighborhood-scoped campaigns and referral pulls overperform here by wide margins.

The median home in O'Fallon city was built in 2000 — 20 years newer than the US baseline. A younger housing base caps repair frequency but expands the remodeling TAM — primary-bath updates, outdoor-living buildouts, and integrated smart-home work all draw bigger shares of the annual household spend here.

With 92,697 residents, O'Fallon city ranks at the 98th percentile of US cities by population. Markets at this scale support deep specialization: agencies can pick a single vertical (HVAC, roofing, pest control) and run a six-figure book of business without ever crossing into adjacent service categories. The downside is real competition — both for prospects and for agency talent — so positioning on a measurable differentiator (response time, retention rate, channel mix) matters more here than in mid-sized markets.

Median Household Income
O'Fallon city
$107,203
US median
$75,000
Median Home Value
O'Fallon city
$305,100
US median
$320,000
Homeownership
O'Fallon city
78%
US median
65%
Self-Employed shareData pending
O'Fallon city
US median
6.0%

Top verticals by opportunity in O'Fallon city

Every vertical we've profiled in O'Fallon city, ranked by count and median vulnerability score. Use this as the starting point for an outbound list.

VerticalBusinessesMedian scoreAction
Plumbing Contractor29Info: 6View leads
HVAC Contractor7Info: 0View leads

A sample of O'Fallon city businesses profiled

  • Holder Plumbingplumbing contractor
  • Authority Plumbing & Drainplumbing contractor
  • Arnon Rooter Llcplumbing contractor
  • Titan Plumbing & Water Filtration LLCplumbing contractor
  • Core & Mainplumbing contractor

Showing 5 of 36. Vulnerability scores, phone numbers, line types and full enrichment data are available to signed-in members.

How we measure opportunity

Demographic intelligence

Public-sector demographic data

Population, household income, home value, homeownership rate, median year structure built and self-employment density come from authoritative public demographic releases. Refreshed annually.

Business signals

Live business records

Business names, addresses, ratings, review counts, websites, phone numbers and operating status come from live business records. Each profiled business is re-checked regularly so stale data drifts off the page.

Scoring weights

Composite vulnerability score

We blend 19 signals (review velocity, star rating, website presence and freshness, ad pixels, hiring activity, competitor density and visual brand, plus eleven more) into a 0–100 score. Higher means more likely to engage with marketing services.

Frequently asked

How many local businesses does LocalVein track in O'Fallon city, MO?
LocalVein currently indexes 36 businesses in O'Fallon city, MO, spread across the 21 verticals we cover. Every record is revalidated on a 14-day rotation — defunct listings, closed branches, and renamed operators clear automatically. Refreshed April 2026.
Which vertical has the most prospects in O'Fallon city?
plumbing contractors leads with 29 active operators in our index. That puts it ahead of every other category we track in O'Fallon city — a natural first target when an agency is testing a new outreach angle.
What does O'Fallon city's Market Opportunity Score mean?
O'Fallon city scores 30.57/100 on LocalVein's Market Opportunity Score. The score blends median home value ($305K), homeownership rate, median home age, and population density into a single 0–100 number. A higher number points to a richer pool of ready-to-buy contractors. Treat it as a filter when deciding which cities to queue up on your outbound calendar.
How often is O'Fallon city data refreshed?
Demographic data refreshes annually. Business data (names, ratings, websites, phone numbers) is re-checked on a regular cycle for any business that's been touched by a user scan. The most recent refresh on O'Fallon city's demographic row was April 2026.
Can I export O'Fallon city prospects to GoHighLevel, HubSpot, or Instantly?
Yes. Paid plans include one-click exports tuned for GoHighLevel, HubSpot, and Instantly, with a universal CSV fallback for anything else an agency runs internally. For O'Fallon city, expect 36 businesses available across all verticals once you scan a vertical for the first time. $107K median household income and 92,697 residents make it a market where most agency outreach scenarios fit.
What you see vs. what you get

The rest of businesses in O'Fallon city is behind a free signup.

Public view (this page)
  • 5 sample businesses
  • Phones masked (last 2 digits)
  • No phone line-type classification
  • No CSV export
  • No vulnerability ranking on the full list
Free plan (a free scan)
  • all 36 businesses
  • Full phone numbers
  • Ranked by vulnerability score
  • Demographic intelligence per market
  • Generic CSV export (CRM-ready)
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