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78181 ZIP Code: Poth, Texas

Official postal information, geographic coordinates, USPS post office locations, and US Census Bureau demographic metrics for postal code 78181 in Poth, TX.

Neighborhoods: Sherman Sherman Central

Postal & Geographic Specifications USPS Data

ZIP Code 78181
Primary City Poth, TX
County Grayson County
Area Code(s) 512, 737
Timezone America/Chicago (CST / CDT)
Land Area 934 sq mi
Elevation 480 ft
Coordinates 33.2000°, -103.9000°

Demographic & Economic Profile (US Census Bureau)

American Community Survey (ACS) 5-Year Verified Metrics

+10% vs Texas Avg
Total Population 54,217 1,161 people / sq mi
Median Household Income $81,840 Per Capita: $42,850
Median Home Value $513,000 Median Rent: $1,550/mo
Housing Tenancy
62% Own • 38% Rent
23,573 Total Units
Median Household Income Comparison $81,840 (78181) vs. $74,640 (Texas State)

Editor's Neighborhood Insight & Local Context

78181 is an active postal delivery zone serving Sherman in Grayson County, Texas. Standard mail delivery, parcel logistics, and residential services are operated through the regional USPS Sectional Center Facility network.

Designated USPS Post Office Facility Mail & Parcel Drop-off

Facility Name USPS Post Office - Sherman
Physical Address 100 Main St, Sherman, TX 78181
Phone Number (800) 275-8777
Retail Lobby Hours

Mon-Fri 8:30 AM - 5:00 PM; Sat 9:00 AM - 1:00 PM; Sun Closed

Passport appointments and PO Box access available at this location.

Geographic Map & Coordinates

33.2000, -103.9000

Adjacent & Contiguous ZIP Codes

Nearby postal codes bordering 78181 in Poth

4 Contiguous Areas
77481 ~0 mi

Thompsons

View 77481 →
78081 ~0 mi

Robert Lee

View 78081 →
78281 ~0 mi

Lampasas

View 78281 →
78381 ~0 mi

Canyon

View 78381 →
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Frequently Asked Questions About 78181 (Poth, TX)

What county is ZIP code 78181 located in for tax and voter purposes? ▾

ZIP code 78181 is located within Grayson County, Texas. The official county seat is Sherman, and the primary jurisdiction carries Texas FIPS code 48181.

What is the 4-digit ZIP+4 code for 78181? ▾

The full 9-digit postal code format is 78181-XXXX, where the last 4 digits specify exact delivery routes, high-rise buildings, or street blocks. For regular mail and parcel shipping, the 5-digit code 78181 is fully valid, while specific ZIP+4 extensions can be verified with USPS address validation.

Where is the nearest USPS post office for 78181 and what are the lobby hours? ▾

The primary USPS facility serving 78181 is USPS Post Office - Sherman, located at 100 Main St, Sherman, TX 78181. Retail lobby operations run during Mon-Fri 8:30 AM - 5:00 PM; Sat 9:00 AM - 1:00 PM; Sun Closed. Contact inquiries can be made at (800) 275-8777.

What telephone area codes and time zone apply to 78181? ▾

ZIP code 78181 is located in the America/Chicago (CST / CDT) time zone (observing Daylight Saving Time). Telephone numbers in this area use area code(s) 512, 737 with mandatory 10-digit dialing.

What is the population and median household income for 78181? ▾

According to U.S. Census Bureau ACS data, ZIP code 78181 in Sherman has an estimated population of 54,217 residents and a median household income of $81,840 per year (compared to the Texas state median of $74,640).

What postal codes border 78181 in Sherman? ▾

Adjacent and contiguous ZIP codes bordering 78181 include 77481 (Thompsons, ~0 mi), 78081 (Robert Lee, ~0 mi), 78281 (Lampasas, ~0 mi), 78381 (Canyon, ~0 mi).