Davidson County area

Population and density of Davidson County

The Census Bureau estimates that 745,904 people lived in Davidson County on July 1, 2025. That ranks #92 of 3,222 county equivalents nationally and #2 of 95 in Tennessee. Since the April 1, 2020 estimates base of 715,887, the population has grown by 30,017 (+4.2%), compared with +5.8% for Tennessee as a whole.

With 503.5 square miles of land, that is 1,481 people per square mile (572 per km²), placing Davidson County #120 nationally for density and #1 in Tennessee. The median county equivalent has 47 people per square mile; the Tennessee median is 76. Put another way, there are about 0.432 acres of land per resident.

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in Davidson County

7 incorporated places lie at least partly in Davidson County. Together they are home to 745,904 people (100%); the other 0 (0%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Nashville-Davidson metropolitan government (balance), with 721,074 residents in the county. Among places with at least 1,000 residents in 2020, Nashville-Davidson metropolitan government (balance) grew fastest since then (+4.6%).

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Davidson County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Davidson County is a central county of the Nashville-Davidson--Murfreesboro--Franklin, TN Metropolitan Statistical Area. Its 14 county equivalents have 2,197,416 residents on 6,302.2 square miles of land; Davidson County accounts for 8% of the land and 33.9% of the residents. By combined land it ranks #31 of 393 metropolitan areas, and #34 by population. It belongs to the Nashville-Davidson--Murfreesboro, TN Combined Statistical Area.

ZIP codes

37 ZIP Code Tabulation Areas have land in Davidson County; 30 of them have most of their land inside the county, and the others mainly cover neighboring areas.

37013370153702737064370723707637080370863711537122371353713837143371893720137203372043720537206372073720837209372103721137212372133721437215372163721737218372193722037221372283723237238

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Davidson County

Davidson County shares a land border with 6 county equivalents. It has more land than 2 of them. The largest neighbor is Rutherford County (619.5 mi²) and the smallest is Cheatham County (302.5 mi²). Together with its neighbors, Davidson County forms a block of 3,585.4 mi² of land, of which it holds 14%.

How big is Davidson County compared with U.S. states?

Davidson County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.1 times as much. Tennessee’s county land could hold about 82 areas the size of Davidson County.

Another way to picture it: the same land area would fill a square about 22.4 miles (36.1 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about Davidson County?

Davidson County has more land than 1,157 of the other 3,221 county equivalents in the dataset.

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Davidson County at #2,090 nationally by total area, 25 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.

Its water share is 4.1%, compared with a national county-equivalent median of 1.2% — 3 percentage points higher. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Davidson County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.