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Defiance, Missouri

Census designated place in St. Charles County, Missouri · ZIP 63341

  • St. Charles County
  • Census data · ACS 2019-2023
Join DefianceAsk DefianceBusinessesPeople
  • 80 (2019-2023 estimate)Population
  • 39Households
  • $199,519Median household income
  • 1ZIP codes

About Defiance

This page shows only what has been published about Defiance: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2010 to 2020+2.6%
1541561581602010: 15520102020: 1592020155159
Population of Defiance at each census
CensusPopulation
2010155
2020159

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2010 Summary File 1: total population, place level, state 29, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 29, retrieved November 14, 2026.

Household income in Defiance
Under $50k0%
$50k to $100k0%
$100k to $150k23.1%
$150k to $200k33.3%
$200k and over43.6%

Median household income $199,519 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 29, retrieved November 14, 2026.

Housing tenure in Defiance
Owner occupied
30 units
Renter occupied
9 units
Vacancy rate
0%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 29, retrieved November 14, 2026.

Defiance compared with its county and state
Defiance compared with its county and state, American Community Survey 2019-2023
MeasureDefianceSt. Charles CountyMissouri
Population80409,8306,168,181
Median household income$199,519$102,912$68,920
Median age59.339.638.9
Median home valueNot available$296,800$215,600
Bachelor’s degree or higher11.3%42.4%31.9%
Foreign-born residents0.0%4.3%4.4%
Owner-occupied homes76.9%80.7%67.9%
Mean commute to workNot available24.9 minutes23.7 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 29, retrieved November 14, 2026.

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Nearby towns

Other towns in St. Charles County

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