37171 ZIP Code, Southside, TN

37171 is a ZIP code in Southside, Tennessee in Montgomery County. It covers 24 square miles of land. The closest ZIP codes are 37052, 37051 and 37043. 1,402 people live here in 463 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (72%). Median household income is $118,045, well above the Tennessee median of $69,595; 41% of households have children under 18.

Quick facts

Key figures

MeasureValue
Residents1,402
Households463
Median household income$118,045
Income per person$34,676
Median age42.2
Homeowners72.4%
Median home valuenot published
Median rent$968
Bachelor's degree or higher23.7%
Average commute (minutes)33.4
Households with kids under 1840.6%
Moved in the past year18.5%
Below the poverty line33.6%
Broadband internet87.5%
Speak a non-English language at home0.0%

Household income

% of householdsValue
<$10K7.6%
$10–15K10.8%
$15–25K17.1%
$25–35K0.0%
$35–50K0.0%
$50–75K3.7%
$75–100K9.1%
$100–150K25.3%
$150–200K19.7%
$200K+6.9%

Age

% of all residentsValue
<104.5%
10–1928.5%
20–240.8%
25–342.9%
35–4421.0%
45–5419.4%
55–645.7%
65–746.8%
75+10.5%

Tenure

% of housing unitsValue
Owned, with mortgage36.1%
Owned outright27.9%
Rented24.5%
Vacant11.5%

Type of building

% of housing unitsValue
Detached house77.4%
Townhome0.0%
2–4 units0.0%
5–19 units0.0%
20+ units0.0%
Mobile / other22.6%

Businesses in 37171

5 business establishments with 14 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

37171 has 1 USPS carrier routes with 604 residential and 7 business mailboxes. Open the EDDM route map.

Carrier routes in 37171

37171 has 1 USPS carrier routes (1 rural (R)) with 604 residential and 7 business mailboxes. Routes range from 604 homes (R001) to 604 homes (R001); the median route has 604 homes. The Census counted 463 households in 37171 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per routeRoutes
1–2490
250–4990
500–7491
750–9990
1,000–1,4990
1,500+0

Every carrier route in 37171

RouteTypeHomesBusinessesEst. median incomeEst. ownersEst. families with kidsEst. moved in past year
R001Rural6047$86,084———

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 37171 on the EDDM route map.

How route demographics are estimated

Mailbox counts come from USPS; demographics are estimates

The number of homes and businesses on each carrier route is the current USPS EDDM count. The Census Bureau does not publish figures for carrier routes, so income, homeownership, ages, families, movers and housing age on a route are EDDM2GO estimates built from Census block groups (neighborhood areas of roughly 600 to 3,000 people).

How a route gets its figures: the block-group length-share method

We trace each route's streets every 25 meters and record which block group each stretch falls in. The route's homes are spread along its streets in proportion to length, so a route with 60% of its street length in one block group is assumed to have 60% of its homes there. Each block group then contributes its Census counts in proportion to the share of its housing units that sit on the route (capped at the whole block group). Medians are recalculated from the combined income, home-value and age brackets, the way the Census Bureau computes them, not averaged.

Margins of error

Census survey figures carry a margin of error at 90% confidence; we carry it through the calculation and show it as ±. Our margins treat the route-to-block-group split as exact, so the real uncertainty is larger. Routes with fewer than 100 estimated households, large margins, or streets we could not place are flagged.

Different years

USPS mailbox counts are current. Census figures are 5-year averages for 2020–2024, so a new subdivision may have more homes on the route today than the Census counted. Use the route figures to compare routes with each other, not as an exact head count.

Why some routes show identical figures

Two routes that run through the same block group get the same percentages and medians, because the Census publishes one set of figures for the whole block group. Their mailbox counts still differ, and those are exact.

Route and mailbox counts: USPS EDDM route data. Route demographics: EDDM2GO estimates from U.S. Census Bureau American Community Survey 5-year block-group data (2020–2024) and 2024 cartographic block-group boundaries. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Nearby ZIP codes

Areas that include 37171

Where it ranks

Mail every home in 37171

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 37171, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 37171 in?
37171 is a Southside, TN mailing address. None of its land lies inside a Census-defined city or community.
What county is 37171 in?
37171 is in Montgomery County.
What is the population of 37171?
About 1,402 people (±610), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 1,156.
What is the median household income in 37171?
$118,045 (±$83,082), compared with $69,595 for Tennessee as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 37171?
1 USPS carrier routes with 604 residential and 7 business mailboxes (611 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 37171?
The closest, measured center to center: 37052 (5.4 mi), 37051 (7.3 mi, Slayden), 37043 (9.2 mi, Clarksville), 37036 (9.7 mi, Charlotte), 37035 (9.9 mi, Pleasant View) and 37040 (10.6 mi, Clarksville).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.