57064 ZIP Code, Tea, SD

57064 is a ZIP code in Tea, South Dakota — mostly in Lincoln County (86% of its land), with smaller parts in Turner County. It covers 26 square miles of land. The closest ZIP codes are 57106, 57015 and 57117. 8,032 people live here in 2,646 households, more than in 9 of every 10 South Dakota ZIP codes. With about 314 people per square mile it is lightly settled, and most homes are owner-occupied (82%). Median household income is $119,022, well above the South Dakota median of $75,081; 60% of households have children under 18.

Quick facts

Key figures

MeasureValue
Residents8,032
Households2,646
Median household income$119,022
Income per person$43,028
Median age32.6
Homeowners81.9%
Median home value$365,800
Median rent$1,280
Bachelor's degree or higher43.6%
Average commute (minutes)20.1
Households with kids under 1860.0%
Moved in the past year9.1%
Below the poverty line4.3%
Broadband internet97.1%
Speak a non-English language at home2.2%

Household income

% of householdsValue
<$10K1.2%
$10–15K0.5%
$15–25K5.0%
$25–35K1.3%
$35–50K4.6%
$50–75K10.5%
$75–100K15.7%
$100–150K27.5%
$150–200K21.1%
$200K+12.7%

Age

% of all residentsValue
<1016.8%
10–1919.9%
20–245.2%
25–3412.2%
35–4417.6%
45–5416.9%
55–644.0%
65–745.8%
75+1.7%

Tenure

% of housing unitsValue
Owned, with mortgage63.1%
Owned outright13.8%
Rented16.7%
Vacant6.4%

Type of building

% of housing unitsValue
Detached house77.9%
Townhome9.4%
2–4 units3.0%
5–19 units9.3%
20+ units0.5%
Mobile / other0.0%

Businesses in 57064

285 business establishments with 2,479 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

57064 has 5 USPS carrier routes with 3,324 residential and 335 business mailboxes. Open the EDDM route map.

Carrier routes in 57064

57064 has 5 USPS carrier routes (5 rural (R)) with 3,324 residential and 335 business mailboxes. Routes range from 401 homes (R001) to 907 homes (R003); the median route has 752 homes. The Census counted 2,646 households in 57064 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per routeRoutes
1–2490
250–4992
500–7490
750–9993
1,000–1,4990
1,500+0

Best routes in 57064 for…

Most businesses

For B2B offers: office supplies, cleaning, IT, catering and commercial services.

  1. Route R001 — USPS business mailboxes 210, 401 homes
  2. Route R004 — USPS business mailboxes 83, 862 homes
  3. Route R003 — USPS business mailboxes 30, 907 homes
  4. Route R002 — USPS business mailboxes 12, 752 homes

Select these 4 routes on the route map

Every carrier route in 57064

RouteTypeHomesBusinessesEst. median incomeEst. ownersEst. families with kidsEst. moved in past year
R001Rural401210$104,145———
R002Rural75212$104,145———
R003Rural90730$86,829———
R004Rural86283$104,145———
R005Rural4020$104,145———

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 57064 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 57064

Where it ranks

Mail every home in 57064

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) 57064, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 57064 in?
57064 is a Tea, SD mailing address. By land area, 11% lies inside Tea; the rest is outside any Census-defined city or community.
What county is 57064 in?
57064 is mostly in Lincoln County (86% of its land), with smaller parts in Turner County.
What is the population of 57064?
About 8,032 people (±363), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 6,908.
What is the median household income in 57064?
$119,022 (±$19,344), compared with $75,081 for South Dakota as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 57064?
5 USPS carrier routes with 3,324 residential and 335 business mailboxes (3,660 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 57064?
The closest, measured center to center: 57106 (4.2 mi, Sioux Falls), 57015 (5.4 mi, Chancellor), 57117 (8 mi, Sioux Falls), 57039 (8.1 mi, Lennox), 57105 (8.3 mi, Sioux Falls) and 57197 (8.3 mi, Sioux Falls).

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