What city is ZIP code 78543?

ZIP code 78543 is in Elsa, TX (Hidalgo County).

What county is ZIP code 78543 in?

ZIP code 78543 is mostly in Hidalgo County, Texas.

How many people live in ZIP code 78543?

About 8,400 people live in the 78543 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 78543

Elsa, TX, Hidalgo County

Population

8,400

Land area

6.4sq mi

People per sq mi

1,321

City

Elsa

ZIP 78543 and nearby ZIP codes

Full map

ZIP 78543 at a glance

ZIP 78543 (Elsa) is about 11 times as dense as Texas as a whole.
Households here earn a median of $44,527 a year, 43% less than the Texas figure of $78,476.
A typical owner-occupied home is valued at $87,800 (69% below Texas) and median rent is $844 a month.

Local data for ZIP 78543

Counts from official public data

Housing and community stats

ZIP 78543, American Community Survey 2020-2024

Full profile

Median household income

$44,527

Poverty rate

27.6%

Median home value

$87,800

Median rent

$844/mo

Homeownership

74.5%

Bachelor's or higher

6.6%

Median age

33.2

Average commute

15.2 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

107

ZIP Business Patterns 2023

Employees

1,968

$67.8M annual payroll

PPP loans

$4.9M

187 loans

Campaign donations

$200

100% D, 0% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 78543, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively High

Top: cold wave

Storm events since 1996

970

Countywide, mostly drought

Flood insurance policies

9,038

3.7% of homes, county

July high / Jan low

96° / 50°F

25.7 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 78543, CDC PLACES estimates

All 40 measures

Obesity

43.8%

U.S. 33.3% +10.5 pts

Diabetes

18.1%

U.S. 12.1% +6.0 pts

Smoking

11.7%

U.S. 12.8% -1.1 pts

Uninsured (18-64)

34.4%

U.S. 11.1% +23.3 pts

Frequently asked questions

What city is ZIP code 78543?: ZIP code 78543 is in Elsa, TX (Hidalgo County).
What county is ZIP code 78543 in?: ZIP code 78543 is mostly in Hidalgo County, Texas.
How many people live in ZIP code 78543?: About 8,400 people live in the 78543 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.