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Where am ILOCATED

Franklin County, Missouri

Franklin County, Missouri, has 108,090 residents (July 2025 estimate). Its county seat is Union. It uses Central Time and covers 922 sq mi (2,389 km²) of land.

Kansas CitySt. LouisSpringfield
Franklin County in Missouri
Gasconade CountyJefferson CountyWashingtonUnionPacificSullivanSt. Clair
Franklin County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
108,090
Land area
922 sq mi (2,389 km²)
County seat or government
Union
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$73,165 ± $2,639
Median home value
$227,600 ± $5,671
Median rent, with utilities
$893 ± $26
Homes lived in by their owners
76.5% ± 1.6 points
County type
County
Metro or micro area
St. Louis, MO-IL metro areaOutlying county
Water area
8.08 sq mi (20.9 km²)
State
Missouri
County code (FIPS)
29071
Coordinates (central point)
38.413003, -91.072832
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Franklin County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 6309023,258 people
  2. 6308420,708 people
  3. 6300519,779 people
  4. 6306915,697 people
  5. 6308013,124 people
  6. 6307711,391 people
  7. 630686,202 people
  8. 630895,662 people
  9. 654415,028 people
  10. 630723,469 people
  11. 630372,970 people
  12. 630602,192 people
All 23
  1. 630151,939 people
  2. 630561,896 people
  3. 630551,693 people
  4. 630911,449 people
  5. 630131,136 people
  6. 63039986 people
  7. 63073803 people
  8. 63014426 people
  9. 63041309 people
  10. 63061216 people
  11. 6307960 people

23 ZIP Code areas overlap Franklin County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Franklin County, largest first

  1. Union Township20,334 people
  2. Boles Township18,371 people
  3. Washington Township15,130 people
  4. Central Township14,209 people
  5. Meramec Township9,099 people
  6. St. Johns Township6,076 people
  7. Calvey Township5,719 people
  8. Boone Township5,008 people
  9. Prairie Township3,635 people
  10. Lyon Township3,549 people
  11. New Haven Township3,302 people
  12. Boeuf Township1,518 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in Missouri, by county

School districts in Franklin County, largest first

  1. Washington School District34,631 people
  2. Meramec Valley R-III School District23,491 people
  3. Union R-XI School District22,088 people
  4. St. Clair R-XIII School District11,990 people
  5. Gasconade County R-II School District11,018 people
  6. Sullivan C-2 School District10,712 people
  7. Gasconade County R-I School District7,141 people
  8. Crawford County R-I School District5,852 people
  9. New Haven School District3,692 people
  10. Lonedell R-XIV School District3,165 people
  11. Spring Bluff R-XV School District2,070 people
  12. Richwoods R-VII School District1,607 people
All 14
  1. Franklin County R-II School District1,416 people
  2. Strain-Japan R-XVI School District797 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Washington, Missouri (city)15,130 people
  2. Union, Missouri (city)12,781 people
  3. Pacific, Missouri (city)7,475 people
  4. Sullivan, Missouri (city)6,310 people
  5. St. Clair, Missouri (city)4,789 people
  6. New Haven, Missouri (city)3,302 people
  7. Gray Summit, Missouri (CDP)2,991 people
  8. Villa Ridge, Missouri (CDP)2,835 people
  9. Gerald, Missouri (city)1,368 people
  10. Lake St. Clair, Missouri (CDP)872 people
  11. Parkway, Missouri (village)624 people
  12. Oak Grove Village, Missouri (village)347 people
All 17
  1. Stanton, Missouri (CDP)175 people
  2. Berger, Missouri (city)169 people
  3. Miramiguoa Park, Missouri (village)155 people
  4. Leslie, Missouri (village)91 people
  5. Charmwood, Missouri (town)0 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Gasconade County, Missouri24 mi west
  2. Warren County, Missouri25 mi north
  3. Jefferson County, Missouri31 mi east
  4. St. Charles County, Missouri33 mi northeast
  5. Crawford County, Missouri34 mi southwest
  6. Washington County, Missouri34 mi south
  7. St. Louis County, Missouri37 mi northeast

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.