County Maps US

Nodaway County, Missouri

A county in Missouri, ranked 55 of 115 by population.

CountyFIPS 29147

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

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Population
20,174
-847 (-4.0%) since 2020
Land area
877
square miles. A further 0.1% of the total area is water
Population density
23.0
people per square mile, computed rather than published
County seat
Maryville
Seat of county government.
Established
1845
180 years ago
Largest city
Maryville city
Population 10,092.

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 Nodaway 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 Nodaway 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 788 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 Nodaway 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
Population20,17455th of 1151,814th of 3,144
Land area877 sq mi5th of 115918th of 3,144
Population density23.0 per sq mi70th of 1152,128th of 3,144
Median household income$59,31562nd of 1152,149th of 3,143

Full data for Nodaway County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population20,174Vintage 2025 Population Estimates
Population in 202021,021Vintage 2025 Population Estimates
2020 estimates base?21,240Vintage 2025 Population Estimates
Land area877 sq mi2025 Gazetteer Files
Water area0.91 sq mi2025 Gazetteer Files
Total area877.9 sq mi2025 Gazetteer Files
Population density?23.0 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$59,315American Community Survey 2020-2024 5-Year Estimates
Median home value$177,500American Community Survey 2020-2024 5-Year Estimates
Median age33.7American Community Survey 2020-2024 5-Year Estimates
Households8,460American Community Survey 2020-2024 5-Year Estimates
Housing units9,536American 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
-18
209 births, 227 deaths
Net migration
-101
More people moved out than moved in.

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

The 7 areas bordering Nodaway 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
Andrew CountyMissouri23 mi18,241
Atchison CountyMissouri23 mi5,175
Holt CountyMissouri22 mi4,200
Gentry CountyMissouri18 mi6,384
Page CountyIowa15 mi14,856
Taylor CountyIowa15 mi5,835
Worth CountyMissouri15 mi1,914

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.