US ZIP Code
78621

Elgin, TX

Bastrop County  ·  Texas

● Active
👥 27,860 Population ↑ 16% since 2019
💰 $88,246 Median HH Income
▲ 16% above avg ↑ 22% since 2019
🎂 39.2 Median Age ↑ 5% since 2019
🏠 $262,300 Median Home Value
≈ Avg ↑ 58% since 2019
🎓 31.3% College Grads
▼ 19% below avg
📊 5.2% Unemployment
≈ Avg ↓ 26% since 2019
ZIP Code Details
ZIP Code78621
CityElgin
StateTexas (TX)
CountyBastrop County
Area Code512/737
Elevation525 ft
Latitude30.337023
Longitude-97.36042
TimezoneChicago (DST)
FIPS48021
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.1% (13,395) Female 51.9% (14,465) ♀

Race & Ethnicity

White: 37.6%Hispanic: 45.6%Black: 10.9%Asian: 0.4%Other: 4.7%Race
White37.6%
Hispanic45.6%
Black10.9%
Asian0.4%
Other4.7%

Age Breakdown

Under 5
6%
5–17
20%
18–24
7%
25–44
25%
45–64
28%
65+
7%

Key Indicators

Median Age39.2 yrs ↑ 5% since 2019
Avg Household Size2.79
Below Poverty8.6% ▼ 14% below avg
College Grads31.3% ▼ 19% below avg
Unemployment5.2% ≈ Avg
No HS Diploma961 (6%)
HS Graduate5,012 (31.2%)
Some College2,325 (14.5%)
Associates2,751 (17.1%)
Bachelors956 (5.9%)
Graduate Degree4,073 (25.3%)

Education

No HS: 6%HS Grad: 31.2%Some College: 14.5%Associates: 17.1%Bachelors: 5.9%Graduate: 25.3%Edu
No HS6.0%
HS Grad31.2%
Some College14.5%
Associates17.1%
Bachelors5.9%
Graduate25.3%
Housing & Income

Housing Tenure

Owner: 80.6%Renter: 19.4%Tenure
Owner80.6%
Renter19.4%

Home Value Distribution

Under $50k
9%
$50k–100k
6%
$100k–150k
11%
$150k–200k
8%
$200k–300k
24%
$300k–500k
29%
Over $500k
13%

Financials

Median HH Income$88,246 ▲ 16% above avg ↑ 22% since 2019
Median Home Value$262,300 ≈ Avg ↑ 58% since 2019
Home/Income Ratio3.0x (nat avg ~3.5x)
Median Rent$1,317/mo ↑ 34% since 2019
Total Units10,671
Vacant Units767
Avg HH Size2.79

Income Distribution

Under $25k
11%
$25k–50k
11%
$50k–75k
15%
$75k–100k
19%
$100k–150k
23%
$150k–200k
11%
Over $200k
9%
Employment & Commute

How People Get to Work

Drove Alone
81%
Walked
0%
Work From Home
19%

Commute Time

Under 15 min
16%
15–30 min
16%
30–45 min
26%
Over 45 min
42%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
3%
1960s–1970s
11%
1980s–1990s
20%
2000+
65%

Summary

Total Units10,671
Vacant767
Owner Occupied80.6%
Renter Occupied19.4%
Avg HH Size2.79
Frequently Asked Questions
ZIP code 78621 is in Elgin, TX, in Bastrop County.
ZIP code 78621 is located in Texas (TX).
ZIP code 78621 is in Bastrop County, TX.
ZIP 78621 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 78621 is 27,860 people (ACS 2023).
The median household income in ZIP code 78621 is $88,246 (ACS 2023).
The median home value in ZIP 78621 is $262,300 (ACS 2023).
About ZIP Code 78621

ZIP code 78621 is located in Elgin, Texas, within Bastrop County. With a population of 27,860, this is a moderately populated ZIP code with a middle-aged community — the median age is 39.2 years. Economically, 78621 is a middle-income ZIP code: the median household income of $88,246 is above the national average.

Real estate in ZIP code 78621 represents a mid-range housing market. The median home value of $262,300 is near the national average. Renters can expect to pay around $1,317 per month in median rent. Homeownership is strong here — 80.6% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 58% since 2019.

The population of 78621 is racially diverse, with Hispanic as the largest group at 45.6%. Residents are moderately educated — 31.3% hold a bachelor's degree or higher, which is below the national average. Poverty affects a relatively small share of residents at 8.6%. Household income has grown by 22% since 2019.

The unemployment rate in 78621 stands at 5.2%, which is near the national average. About 17% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 73%.

Overall, ZIP code 78621 in Elgin, TX is characterized as middle-income, moderately educated, a middle-aged community, and predominantly owner-occupied. With 27,860 residents, a median household income of $88,246, and a median home value of $262,300, it offers a clear picture of life in this part of Texas.