What city is ZIP code 78677?

ZIP code 78677 is in Smiley, TX (Gonzales County).

What county is ZIP code 78677 in?

ZIP code 78677 is mostly in Gonzales County, Texas.

How many people live in ZIP code 78677?

About 44 people live in the 78677 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 78677

Smiley, TX, Gonzales County

Population

Land area

17.5sq mi

People per sq mi

City

Smiley

ZIP 78677 and nearby ZIP codes

Full map

ZIP 78677 at a glance

ZIP 78677 (Smiley) is 98% less dense than Texas as a whole.

Economy and federal money

Businesses, pandemic loans and political donations

Details

PPP loans

$52.6K

3 loans

PPP loans in this ZIP

Environment and hazard risk

ZIP 78677, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: hail

Storm events since 1996

292

Countywide, mostly flash flood

Flood insurance policies

134

1.7% of homes, county

July high / Jan low

95° / 42°F

35.9 inches of rain a year

Hazards, floods and storm history Check a flood zone

Frequently asked questions

What city is ZIP code 78677?: ZIP code 78677 is in Smiley, TX (Gonzales County).
What county is ZIP code 78677 in?: ZIP code 78677 is mostly in Gonzales County, Texas.
How many people live in ZIP code 78677?: About 44 people live in the 78677 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.