78662 ZIP Code, Red Rock, TX
78662 is a ZIP code in Red Rock, Texas — mostly in Bastrop County (81% of its land), with smaller parts in Caldwell County. It covers 67 square miles of land, centered about 29 miles southeast of downtown Austin. The closest ZIP codes are 78616, 78953 and 78612. 3,015 people live here in 1,381 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (85%). Median household income is $94,005, above the Texas median of $78,476; the median age is 46.5, older than most ZIP codes.
Quick facts
- Mailing city: Red Rock, TX
- County: Bastrop County
- Metro area: Austin
- Land area: 67 sq mi
- Population: 3,015
- Median household income: $94,005
- Carrier routes: 2 (1,060 homes)
Key figures
| Measure | Value |
|---|---|
| Residents | 3,015 |
| Households | 1,381 |
| Median household income | $94,005 |
| Income per person | $45,566 |
| Median age | 46.5 |
| Homeowners | 84.5% |
| Median home value | $248,600 |
| Median rent | not published |
| Bachelor's degree or higher | 15.6% |
| Average commute (minutes) | 45.2 |
| Households with kids under 18 | 28.3% |
| Moved in the past year | 4.0% |
| Below the poverty line | 3.1% |
| Broadband internet | 77.6% |
| Speak a non-English language at home | 4.7% |
Household income
| % of households | Value |
|---|---|
| <$10K | 2.5% |
| $10–15K | 2.0% |
| $15–25K | 5.6% |
| $25–35K | 0.0% |
| $35–50K | 18.8% |
| $50–75K | 13.1% |
| $75–100K | 11.7% |
| $100–150K | 29.2% |
| $150–200K | 4.1% |
| $200K+ | 12.9% |
Age
| % of all residents | Value |
|---|---|
| <10 | 7.4% |
| 10–19 | 8.0% |
| 20–24 | 4.9% |
| 25–34 | 10.6% |
| 35–44 | 13.3% |
| 45–54 | 13.3% |
| 55–64 | 15.1% |
| 65–74 | 17.1% |
| 75+ | 10.2% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 30.2% |
| Owned outright | 50.1% |
| Rented | 14.7% |
| Vacant | 5.0% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 60.9% |
| Townhome | 0.0% |
| 2–4 units | 0.0% |
| 5–19 units | 0.0% |
| 20+ units | 0.0% |
| Mobile / other | 39.1% |
Businesses in 78662
35 business establishments with 276 employees (ZIP Codes Business Patterns 2023).
- Construction: 11
- Manufacturing: 3
- Retail Trade: 3
- Professional, Scientific, and Technical Services: 3
- Health Care and Social Assistance: 3
EDDM carrier routes
78662 has 2 USPS carrier routes with 1,060 residential and 20 business mailboxes. Open the EDDM route map.
Carrier routes in 78662
78662 has 2 USPS carrier routes (2 rural (R)) with 1,060 residential and 20 business mailboxes. Routes range from 486 homes (R402) to 574 homes (R401); the median route has 530 homes. The Census counted 1,381 households in 78662 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.
| Homes per route | Routes |
|---|---|
| 1–249 | 0 |
| 250–499 | 1 |
| 500–749 | 1 |
| 750–999 | 0 |
| 1,000–1,499 | 0 |
| 1,500+ | 0 |
Best routes in 78662 for…
Highest income
For bigger-ticket offers: remodeling, pools, financial planning, private schools.
- Route R401 — Est. median household income $76,585, 574 homes
- Route R402 — Est. median household income $67,855, 486 homes
Select these 2 routes on the route map
Often mailed by: Home services EDDM, Real estate EDDM postcards, Landscaping and lawn care mailers
Most families with kids
For tutoring, youth sports, pediatric dental, child care and family dining.
- Route R401 — Est. families with children under 18 31.1%, 574 homes
- Route R402 — Est. families with children under 18 25.9%, 486 homes
Select these 2 routes on the route map
Often mailed by: Dental practice EDDM, Healthcare and clinic mailers
Most homeowners
Owners decide on roofs, HVAC, lawns, solar and insurance; renters usually can't.
- Route R402 — Est. owner-occupied homes 93.8%, 486 homes
- Route R401 — Est. owner-occupied homes 90.2%, 574 homes
Select these 2 routes on the route map
Often mailed by: Roofing direct mail, HVAC postcards
Most new movers
New residents are still choosing a dentist, a gym and a lawn service.
- Route R402 — Est. residents who moved in the past year 8.7%, 486 homes
- Route R401 — Est. residents who moved in the past year 4.4%, 574 homes
Select these 2 routes on the route map
Often mailed by: Restaurant EDDM menus and offers, Gym and fitness mailers
Newest homes
Newer subdivisions: landscaping, window treatments, fencing, security, home warranties.
- Route R401 — Est. homes built 2010 or later 21.1%, 574 homes
- Route R402 — Est. homes built 2010 or later 19.5%, 486 homes
Select these 2 routes on the route map
Most businesses
For B2B offers: office supplies, cleaning, IT, catering and commercial services.
- Route R402 — USPS business mailboxes 12, 486 homes
- Route R401 — USPS business mailboxes 8, 574 homes
Select these 2 routes on the route map
Every carrier route in 78662
| Route | Type | Homes | Businesses | Est. median income | Est. owners | Est. families with kids | Est. moved in past year |
|---|---|---|---|---|---|---|---|
| R401 | Rural | 574 | 8 | $76,585 | 90.2% | 31.1% | 4.4% |
| R402 | Rural | 486 | 12 | $67,855 | 93.8% | 25.9% | 8.7% |
Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 78662 on the EDDM route map.
How route demographics are estimated
Mailbox counts come from USPS; demographics are estimates
The number of homes and businesses on each carrier route is the current USPS EDDM count. The Census Bureau does not publish figures for carrier routes, so income, homeownership, ages, families, movers and housing age on a route are EDDM2GO estimates built from Census block groups (neighborhood areas of roughly 600 to 3,000 people).
How a route gets its figures: the block-group length-share method
We trace each route's streets every 25 meters and record which block group each stretch falls in. The route's homes are spread along its streets in proportion to length, so a route with 60% of its street length in one block group is assumed to have 60% of its homes there. Each block group then contributes its Census counts in proportion to the share of its housing units that sit on the route (capped at the whole block group). Medians are recalculated from the combined income, home-value and age brackets, the way the Census Bureau computes them, not averaged.
Margins of error
Census survey figures carry a margin of error at 90% confidence; we carry it through the calculation and show it as ±. Our margins treat the route-to-block-group split as exact, so the real uncertainty is larger. Routes with fewer than 100 estimated households, large margins, or streets we could not place are flagged.
Different years
USPS mailbox counts are current. Census figures are 5-year averages for 2020–2024, so a new subdivision may have more homes on the route today than the Census counted. Use the route figures to compare routes with each other, not as an exact head count.
Why some routes show identical figures
Two routes that run through the same block group get the same percentages and medians, because the Census publishes one set of figures for the whole block group. Their mailbox counts still differ, and those are exact.
Route and mailbox counts: USPS EDDM route data. Route demographics: EDDM2GO estimates from U.S. Census Bureau American Community Survey 5-year block-group data (2020–2024) and 2024 cartographic block-group boundaries. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Nearby ZIP codes
- 78616 — Mustang Ridge city, TX (6.7 mi)
- 78953 — Rosanky CDP, TX (8.6 mi)
- 78612 — Cedar Creek CDP, TX (10.8 mi)
- 78602 — Camp Swift CDP, TX (14.7 mi)
- 78644 — Lockhart city, TX (14.7 mi)
- 78957 — Rosanky CDP, TX (16.4 mi)
- 78617 — Austin city, TX (17 mi)
- 78632 — Harwood town, TX (18 mi)
Areas that include 78662
- Red Rock, TX ZIP codes — 1 ZIP code
- Bastrop County ZIP codes — 10 ZIP codes
- Caldwell County ZIP codes — 11 ZIP codes
- Austin ZIP code map — 89 ZIP codes
- Texas ZIP code data
Where it ranks
- No. 15 of 83: highest share of owner-occupied homes in the Austin area
- No. 9 of 83: highest median age in the Austin area
- No. 13 of 81: fastest population growth in the Austin area
- No. 3 of 10: highest median household income in Bastrop County
- No. 4 of 10: highest share of owner-occupied homes in Bastrop County
- No. 4 of 10: highest median age in Bastrop County
- No. 3 of 9: fastest population growth in Bastrop County
Mail every home in 78662
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) 78662, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 78662 in?
- 78662 is a Red Rock, TX mailing address. By land area, 7% lies inside Red Rock; the rest is outside any Census-defined city or community.
- What county is 78662 in?
- 78662 is mostly in Bastrop County (81% of its land), with smaller parts in Caldwell County.
- What is the population of 78662?
- About 3,015 people (±760), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 2,890.
- What is the median household income in 78662?
- $94,005 (±$30,263), 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 78662?
- 2 USPS carrier routes with 1,060 residential and 20 business mailboxes (1,080 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
- What ZIP codes are near 78662?
- The closest, measured center to center: 78616 (6.7 mi, Mustang Ridge), 78953 (8.6 mi, Rosanky), 78612 (10.8 mi, Cedar Creek), 78602 (14.7 mi, Camp Swift), 78644 (14.7 mi, Lockhart) and 78957 (16.4 mi, Rosanky).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.