County Maps US

Jasper County, Missouri

A county in Missouri, ranked 9 of 115 by population.

CountyFIPS 29097

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

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Population
127,428
+4,543 (+3.7%) since 2020
Land area
638.5
square miles. A further 0.4% of the total area is water
Population density
200
people per square mile, computed rather than published
County seat
Carthage
Seat of county government.
Established
1841
184 years ago
Largest city
Joplin city
Population 46,022 for the whole place, which extends beyond this county.

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 Jasper 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 Jasper 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 586 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 Jasper 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
Population127,4289th of 115516th of 3,144
Land area638.5 sq mi43rd of 1151,490th of 3,144
Population density200 per sq mi11th of 115566th of 3,144
Median household income$60,69456th of 1152,021st of 3,143

Full data for Jasper County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population127,428Vintage 2025 Population Estimates
Population in 2020122,885Vintage 2025 Population Estimates
2020 estimates base?122,752Vintage 2025 Population Estimates
Land area638.5 sq mi2025 Gazetteer Files
Water area2.8 sq mi2025 Gazetteer Files
Total area641.3 sq mi2025 Gazetteer Files
Population density?200 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$60,694American Community Survey 2020-2024 5-Year Estimates
Median home value$166,900American Community Survey 2020-2024 5-Year Estimates
Median age36.8American Community Survey 2020-2024 5-Year Estimates
Households49,489American Community Survey 2020-2024 5-Year Estimates
Housing units54,480American 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
+131
1,578 births, 1,447 deaths
Net migration
+821
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 Jasper 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
Newton CountyMissouri31 mi62,263
Barton CountyMissouri30 mi11,795
Cherokee CountyKansas19 mi19,105
Lawrence CountyMissouri17 mi39,401
Dade CountyMissouri5.8 mi7,804
Crawford CountyKansas1.8 mi39,008

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.