78661 ZIP Code, Prairie Lea, TX
78661 is a ZIP code in Prairie Lea, Texas in Caldwell County. It covers 4.1 square miles of land, centered about 38 miles south of downtown Austin. The closest ZIP codes are 78622, 78638 and 78670. 835 people live here in 233 households. With about 202 people per square mile it is lightly settled, and most homes are owner-occupied (91%). Median household income is $82,896, close to the Texas median of $78,476; 49% of households have children under 18.
Quick facts
- Mailing city: Prairie Lea, TX
- County: Caldwell County
- Metro area: Austin
- Land area: 4.1 sq mi
- Population: 835
- Median household income: $82,896
Key figures
| Measure | Value |
|---|---|
| Residents | 835 |
| Households | 233 |
| Median household income | $82,896 |
| Income per person | $26,002 |
| Median age | 27.1 |
| Homeowners | 91.4% |
| Median home value | $209,700 |
| Median rent | not published |
| Bachelor's degree or higher | 9.0% |
| Average commute (minutes) | 36.8 |
| Households with kids under 18 | 48.9% |
| Moved in the past year | 3.1% |
| Below the poverty line | 29.2% |
| Broadband internet | 69.5% |
| Speak a non-English language at home | 22.6% |
Household income
| % of households | Value |
|---|---|
| <$10K | 13.3% |
| $10–15K | 0.0% |
| $15–25K | 0.0% |
| $25–35K | 12.9% |
| $35–50K | 11.6% |
| $50–75K | 9.4% |
| $75–100K | 18.5% |
| $100–150K | 15.5% |
| $150–200K | 8.2% |
| $200K+ | 10.7% |
Age
| % of all residents | Value |
|---|---|
| <10 | 20.7% |
| 10–19 | 12.3% |
| 20–24 | 13.9% |
| 25–34 | 6.2% |
| 35–44 | 11.6% |
| 45–54 | 13.7% |
| 55–64 | 3.6% |
| 65–74 | 15.2% |
| 75+ | 2.9% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 30.3% |
| Owned outright | 58.1% |
| Rented | 8.3% |
| Vacant | 3.3% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 69.3% |
| Townhome | 0.0% |
| 2–4 units | 0.0% |
| 5–19 units | 0.0% |
| 20+ units | 0.0% |
| Mobile / other | 30.7% |
Businesses in 78661
8 business establishments with 38 employees (ZIP Codes Business Patterns 2023).
EDDM carrier routes
See every USPS carrier route in 78661 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 78622 (4.4 mi)
- 78638 — Kingsbury city, TX (4.6 mi)
- 78670 — Staples city, TX (6.1 mi)
- 78648 — Luling city, TX (7.5 mi)
- 78655 — Martindale city, TX (7.9 mi)
- 78644 — Lockhart city, TX (11.6 mi)
- 78658 (12 mi)
- 78656 — San Marcos city, TX (12.9 mi)
Areas that include 78661
- Prairie Lea, TX ZIP codes — 1 ZIP code
- Caldwell County ZIP codes — 11 ZIP codes
- Austin ZIP code map — 89 ZIP codes
- Texas ZIP code data
Mail every home in 78661
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 78661, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 78661 in?
- 78661 is a Prairie Lea, TX mailing address. None of its land lies inside a Census-defined city or community.
- What county is 78661 in?
- 78661 is in Caldwell County.
- What is the population of 78661?
- About 835 people (±400), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 304.
- What is the median household income in 78661?
- $82,896 (±$45,184), compared with $78,476 for Texas as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 78661?
- EDDM2GO's stored route library does not include 78661 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 78661?
- The closest, measured center to center: 78622 (4.4 mi), 78638 (4.6 mi, Kingsbury), 78670 (6.1 mi, Staples), 78648 (7.5 mi, Luling), 78655 (7.9 mi, Martindale) and 78644 (11.6 mi, Lockhart).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.