County Maps US

Blount County, Tennessee

A county in Tennessee, ranked 11 of 95 by population.

CountyFIPS 47009

Within Tennessee
Blount 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
143,820
+8,154 (+6.0%) since 2020
Land area
558.8
square miles. A further 1.4% of the total area is water
Population density
257
people per square mile, computed rather than published
County seat
Maryville
Seat of county government.
Established
1795
230 years ago
Largest city
Maryville city
Population 32,442.

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 Blount 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 Blount County, Tennessee 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 799 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 Blount County ranks

Position among the 95 counties of Tennessee, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn TennesseeNationally
Population143,82011th of 95476th of 3,144
Land area558.8 sq mi23rd of 951,856th of 3,144
Population density257 per sq mi15th of 95490th of 3,144
Median household income$77,36510th of 95704th of 3,143

Full data for Blount County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population143,820Vintage 2025 Population Estimates
Population in 2020135,666Vintage 2025 Population Estimates
2020 estimates base?135,290Vintage 2025 Population Estimates
Land area558.8 sq mi2025 Gazetteer Files
Water area7.8 sq mi2025 Gazetteer Files
Total area566.7 sq mi2025 Gazetteer Files
Population density?257 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$77,365American Community Survey 2020-2024 5-Year Estimates
Median home value$320,500American Community Survey 2020-2024 5-Year Estimates
Median age43.7American Community Survey 2020-2024 5-Year Estimates
Households55,522American Community Survey 2020-2024 5-Year Estimates
Housing units61,850American 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
-551
1,310 births, 1,861 deaths
Net migration
+2,118
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 Blount 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
Knox CountyTennessee40 mi511,453
Sevier CountyTennessee30 mi101,342
Monroe CountyTennessee29 mi49,730
Swain CountyNorth Carolina21 mi14,024
Loudon CountyTennessee18 mi63,764
Graham CountyNorth Carolina0.6 mi8,190

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

All 95 counties of Tennessee

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

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