County Maps US

Dade County, Missouri

A county in Missouri, ranked 99 of 115 by population.

CountyFIPS 29057

Within Missouri
Dade County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Greenfield, the county seat, located via the 2025 Census Gazetteer.

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Population
7,804
+219 (+2.9%) since 2020
Land area
490
square miles. A further 3.2% of the total area is water
Population density
15.9
people per square mile, computed rather than published
County seat
Greenfield
Seat of county government.
Established
1841
184 years ago
Largest city
Greenfield city
Population 1,242.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Dade County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Dade County, Missouri from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 662 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Dade County ranks

Position among the 115 counties of Missouri, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn MissouriNationally
Population7,80499th of 1152,589th of 3,144
Land area490 sq mi87th of 1152,125th of 3,144
Population density15.9 per sq mi89th of 1152,363rd of 3,144
Median household income$53,75084th of 1152,546th of 3,143

Full data for Dade County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population7,804Vintage 2025 Population Estimates
Population in 20207,585Vintage 2025 Population Estimates
2020 estimates base?7,569Vintage 2025 Population Estimates
Land area490 sq mi2025 Gazetteer Files
Water area16.2 sq mi2025 Gazetteer Files
Total area506.3 sq mi2025 Gazetteer Files
Population density?15.9 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$53,750American Community Survey 2020-2024 5-Year Estimates
Median home value$170,600American Community Survey 2020-2024 5-Year Estimates
Median age47.0American Community Survey 2020-2024 5-Year Estimates
Households3,057American Community Survey 2020-2024 5-Year Estimates
Housing units3,774American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-67
65 births, 132 deaths
Net migration
+236
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 6 areas bordering Dade County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Cedar CountyMissouri25 mi14,888
Lawrence CountyMissouri24 mi39,401
Barton CountyMissouri16 mi11,795
Greene CountyMissouri10 mi309,286
Polk CountyMissouri10 mi33,604
Jasper CountyMissouri5.8 mi127,428

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 115 counties of Missouri

Open the interactive Missouri county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.