| ZIP Codes: | 9 ZIP Codes (7 Standard, 1 PO Box, 1 Unique) [See All] |
| Area Codes: | 615 / 629 / 931 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:48 PM |
| Population: | 219,798 [See All] |
| FIPS: | 47125 |
| CBSA: | Clarksville, TN-KY |
| Land Area: | 451 sq mi |
| Water Area: | 4 sq mi |
| Coordinates: | 36.4831, -87.3888 |
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219,798 residents live across 9 ZIPs covering 451 sq mi, served by 5 distinct USPS-recognized cities.
Population moved from 169,387 to 219,798 from 2014 to 2024 — a +29.8% change. 4 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 37171 (Southside, $118,045 median) and poorest ZIP 37142 (Palmyra, $59,083) are 11.8 miles apart — a 2.0× income gap across local geography.
Median home values vary 1.6× across this county — from $224,300 in 37052 (Cunningham) to $356,900 in 37043 (Clarksville).
Density varies 31× across the county — from 38 people/sq mi in 37142 (Palmyra) to 1,179 in 37042 (Clarksville).
Most of the decade's growth concentrated around Clarksville — top growth ZIPs averaged +69.8% over the past ten years ( 37171 , 37040 and 37043 ).
Educational attainment ranges from 19.7% bachelor's+ in 37052 (Cunningham) to 42.8% in 37043 (Clarksville) — the breadth of educational profiles across the area.
Within Tennessee, this is the #7 most populous of 95 counties and ranks #12 for median household income with the #6 fastest decade growth .
On the national stage, Montgomery County is and #58 for decade growth .
Hosts 1 single-entity Unique ZIP: 37044Austin Peay St Univ .
Weighted by population, the typical household earns about $76,834 across the county — reflecting what a typical resident sees, not a simple ZIP average.
31.0% of adults age 25+ hold a bachelor's degree or higher (43,402 of 139,813 reporting). The most-educated ZIPs cluster around Clarksville.
7 Standard delivery, 1 PO Box only, 1 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 37042 | Clarksville | Standard | 87,652 | $70,393 | 74.3 | 23.6% |
| 37040 | Clarksville | Standard | 64,977 | $67,745 | 94.5 | 39.3% |
| 37043 | Clarksville | Standard | 58,742 | $95,219 | 109.3 | 37.1% |
| 37191 | Woodlawn | Standard | 3,860 | $91,455 | 73.6 | -3.5% |
| 37052 | Cunningham | Standard | 1,659 | $69,423 | 34.2 | -33.2% |
| 37142 | Palmyra | Standard | 1,506 | $59,083 | 39.7 | -21.4% |
| 37171 | Southside | Standard | 1,402 | $118,045 | 25.7 | 132.9% |
| 37044 | Clarksville | Unique | — | — | 0.0 | — |
| 37041 | Clarksville | PO Box | — | — | 0.0 | — |