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zipcodes.pro — ZIP/78957

78957

ZIP 78957 is Smithville, Texas, mostly in Bastrop County; area codes 512 and 737; Central time.

Type
Standard
Time zone
America/Chicago
County
Bastrop +1 more
Population
10,543
Coordinates
30.0139, -97.1821
☼ Live from 78957 — Smithville, TX

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Where 78957 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 78957
  • 🔢 Type 78957 into a pocket calculator and turn it upside down: LSGBL — not quite a word, sorry.
  • ➕ As a number, 78,957 = 3 × 3 × 31 × 283. Its digits add up to 36, a total 149 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011010001101101
  • 🏠 Its numerical neighbours: 78956 (Schulenburg, TX, 27 mi away) and 78959 (Waelder, TX, 23 mi away).
  • 🔄 Backwards, 78957 becomes 75987, which is not a ZIP code at all.
  • 👥 16 other ZIP codes are made of exactly the same digits (58779, 75789, 75798, 75978, 77598, 77859, …). The farthest-flung twin is 98577 in Raymond, WA, 1,821 miles away.
  • 🧭 Farther south than 93% of all ZIP codes, and farther west than 74%.
  • 🎯683 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78957 and you would come out at 30.01°S, 82.82°E — 1,490 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 05m of daylight. Shortest: 10h 13m.
  • 📏 At 177.1 square miles of land, 78957 is bigger than 89% of ZIP codes — room for about 134 Central Parks.
🌙 The sky over 78957 today
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🌋 Shake report
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Source: USGS.

People and housing

Population10,543This ZIP10,543
Households4,198This ZIP4,198
Housing units4,812This ZIP4,812
Median age41.8This ZIP41.8Texas35.6US 38.9
Median household income$69,149This ZIP$69,149Texas$78,476US $80,734
Median home value$259,900This ZIP$259,900Texas$283,800US $332,700
Median gross rent$1,383This ZIP$1,383Texas$1,403US $1,413
Bachelor's degree or higher23.1%This ZIP23.1%
Mean commute32.1 minThis ZIP32.1 min
Population density59.5 / sq miThis ZIP59.5 / sq mi

Business and tax activity

Business establishments180This ZIP180
Employees1,126This ZIP1,126
Annual payroll$48,895,000This ZIP$48,895,000
Tax returns filed4,520This ZIP4,520
Total adjusted gross income$356,145,000This ZIP$356,145,000

Land area

Land area177.05 sq miThis ZIP177.05 sq mi
Water area2.06 sq miThis ZIP2.06 sq mi

Counties 78957 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Bastrop County 88.9%
Fayette County 11.1%

Other place names in 78957

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 78957

ZIPCityDistance
78963 West Point, TX 11.4 mi
78602 Bastrop, TX 12.0 mi
78949 Muldoon, TX 13.0 mi
78659 Paige, TX 13.8 mi
78952 Plum, TX 14.0 mi
78953 Rosanky, TX 15.8 mi
78662 Red Rock, TX 16.4 mi
78960 Warda, TX 17.2 mi
78942 Giddings, TX 17.6 mi
78945 La Grange, TX 18.8 mi

Find every ZIP code within 10 miles of 78957 →

Questions about this ZIP code

Where is ZIP code 78957?

78957 is in Smithville, Texas, in Bastrop County, part of the Austin-Round Rock-San Marcos, TX metropolitan area. Its published point location is 30.0139, -97.1821.

What county is 78957 in?

78957 spans 2 counties: Bastrop County and Fayette County. Most of it falls in Bastrop County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 78957?

Smithville uses area codes 512 and 737, from NANPA's telephone records.

What time zone is 78957 in?

78957 uses America/Chicago.

How many people live in 78957?

About 10,543 people live in ZIP code 78957, in 4,198 households, at 59.5 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 78957?

$69,149 a year, against $78,476 across Texas.

What ZIP codes are near 78957?

The closest are 78963 (11.4 mi), 78602 (12 mi), 78949 (13 mi), 78659 (13.8 mi) and 78952 (14 mi).

Is 78957 a PO Box ZIP code?

78957 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78957 ZIP Code — Smithville, Texas (Bastrop County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78957

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