County Maps US

Macon County, Missouri

A county in Missouri, ranked 66 of 115 by population.

CountyFIPS 29121

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

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Population
15,190
-9 (-0.1%) since 2020
Land area
801.2
square miles. A further 1.4% of the total area is water
Population density
19.0
people per square mile, computed rather than published
County seat
Macon
Seat of county government.
Established
1837
188 years ago
Largest city
Macon city
Population 5,532.

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 Macon 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 Macon 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 792 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 Macon 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
Population15,19066th of 1152,084th of 3,144
Land area801.2 sq mi13th of 1151,062nd of 3,144
Population density19.0 per sq mi85th of 1152,280th of 3,144
Median household income$62,35746th of 1151,862nd of 3,143

Full data for Macon County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population15,190Vintage 2025 Population Estimates
Population in 202015,199Vintage 2025 Population Estimates
2020 estimates base?15,211Vintage 2025 Population Estimates
Land area801.2 sq mi2025 Gazetteer Files
Water area11.2 sq mi2025 Gazetteer Files
Total area812.4 sq mi2025 Gazetteer Files
Population density?19.0 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$62,357American Community Survey 2020-2024 5-Year Estimates
Median home value$149,100American Community Survey 2020-2024 5-Year Estimates
Median age43.5American Community Survey 2020-2024 5-Year Estimates
Households6,067American Community Survey 2020-2024 5-Year Estimates
Housing units7,419American 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
-50
178 births, 228 deaths
Net migration
+56
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 7 areas bordering Macon 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
Adair CountyMissouri27 mi25,684
Shelby CountyMissouri24 mi5,870
Linn CountyMissouri23 mi11,815
Randolph CountyMissouri21 mi24,513
Chariton CountyMissouri15 mi7,377
Knox CountyMissouri8.9 mi3,728
Monroe CountyMissouri440 ft8,959

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.