78669 ZIP Code, Spicewood, TX

78669 is a ZIP code in Spicewood, Texas — mostly in Travis County (44% of its land), with smaller parts in Burnet and Blanco counties. It covers 122 square miles of land, centered about 26 miles northwest of downtown Austin. The closest ZIP codes are 78645, 78654 and 78734. 12,592 people live here in 5,056 households. With about 104 people per square mile it is lightly settled, and most homes are owner-occupied (92%). Median household income is $128,000, well above the Texas median of $78,476; the median age is 47.0, older than most ZIP codes.

Quick facts

Key figures

MeasureValue
Residents12,592
Households5,056
Median household income$128,000
Income per person$73,015
Median age47
Homeowners92.1%
Median home value$671,000
Median rent$2,306
Bachelor's degree or higher57.7%
Average commute (minutes)33.9
Households with kids under 1826.2%
Moved in the past year7.4%
Below the poverty line5.8%
Broadband internet96.7%
Speak a non-English language at home11.3%

Household income

% of householdsValue
<$10K1.8%
$10–15K0.6%
$15–25K3.8%
$25–35K1.9%
$35–50K6.0%
$50–75K14.8%
$75–100K9.7%
$100–150K21.1%
$150–200K10.4%
$200K+30.0%

Age

% of all residentsValue
<1012.3%
10–1911.3%
20–242.0%
25–349.2%
35–4411.8%
45–5413.5%
55–6415.2%
65–7416.5%
75+8.3%

Tenure

% of housing unitsValue
Owned, with mortgage45.5%
Owned outright30.1%
Rented6.4%
Vacant18.0%

Type of building

% of housing unitsValue
Detached house85.8%
Townhome1.6%
2–4 units0.3%
5–19 units0.4%
20+ units0.1%
Mobile / other11.7%

Businesses in 78669

465 business establishments with 2,916 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

78669 has 13 USPS carrier routes with 6,268 residential and 213 business mailboxes. Open the EDDM route map.

Carrier routes in 78669

78669 has 13 USPS carrier routes (13 highway contract (H)) with 6,268 residential and 213 business mailboxes. Routes range from 315 homes (H013) to 713 homes (H009); the median route has 481 homes. The Census counted 5,056 households in 78669 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per routeRoutes
1–2490
250–49910
500–7493
750–9990
1,000–1,4990
1,500+0

Best routes in 78669 for…

Highest income

For bigger-ticket offers: remodeling, pools, financial planning, private schools.

  1. Route H010 — Est. median household income $200,000+, 490 homes
  2. Route H003 — Est. median household income $170,119, 481 homes
  3. Route H008 — Est. median household income $166,800, 394 homes
  4. Route H013 — Est. median household income $148,153, 315 homes
  5. Route H005 — Est. median household income $147,033, 462 homes

Select these 5 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.

  1. Route H010 — Est. families with children under 18 51.5%, 490 homes
  2. Route H005 — Est. families with children under 18 40.3%, 462 homes
  3. Route H001 — Est. families with children under 18 35.5%, 491 homes
  4. Route H013 — Est. families with children under 18 34.9%, 315 homes
  5. Route H012 — Est. families with children under 18 34.1%, 423 homes

Select these 5 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.

  1. Route H007 — Est. owner-occupied homes 97.7%, 578 homes
  2. Route H003 — Est. owner-occupied homes 96.6%, 481 homes
  3. Route H008 — Est. owner-occupied homes 96.3%, 394 homes
  4. Route H005 — Est. owner-occupied homes 92.4%, 462 homes
  5. Route H002 — Est. owner-occupied homes 91.8%, 499 homes

Select these 5 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.

  1. Route H007 — Est. residents who moved in the past year 15.1%, 578 homes
  2. Route H009 — Est. residents who moved in the past year 12.8%, 713 homes
  3. Route H002 — Est. residents who moved in the past year 12.8%, 499 homes
  4. Route H003 — Est. residents who moved in the past year 10.9%, 481 homes
  5. Route H001 — Est. residents who moved in the past year 8.9%, 491 homes

Select these 5 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.

  1. Route H003 — Est. homes built 2010 or later 53.9%, 481 homes
  2. Route H008 — Est. homes built 2010 or later 51.9%, 394 homes
  3. Route H010 — Est. homes built 2010 or later 51.0%, 490 homes
  4. Route H005 — Est. homes built 2010 or later 48.8%, 462 homes
  5. Route H007 — Est. homes built 2010 or later 48.2%, 578 homes

Select these 5 routes on the route map

Most businesses

For B2B offers: office supplies, cleaning, IT, catering and commercial services.

  1. Route H003 — USPS business mailboxes 79, 481 homes
  2. Route H011 — USPS business mailboxes 26, 438 homes
  3. Route H008 — USPS business mailboxes 24, 394 homes
  4. Route H004 — USPS business mailboxes 21, 437 homes
  5. Route H005 — USPS business mailboxes 18, 462 homes

Select these 5 routes on the route map

Every carrier route in 78669

RouteTypeHomesBusinessesEst. median incomeEst. ownersEst. families with kidsEst. moved in past year
H001Highway contract4911$138,71488.2%35.5%8.9%
H002Highway contract4997$118,82691.8%4.1%12.8%
H003Highway contract48179$170,11996.6%32.7%10.9%
H004Highway contract43721$93,68689.9%21.5%8.3%
H005Highway contract46218$147,03392.4%40.3%7.2%
H006Highway contract5474$82,52589.9%15.7%—
H007Highway contract57810$119,60697.7%25.8%15.1%
H008Highway contract39424$166,80096.3%32.8%6.1%
H009Highway contract71313$97,18689.2%10.3%12.8%
H010Highway contract4901$200,000+89.1%51.5%1.0%
H011Highway contract43826$91,10683.8%23.9%5.3%
H012Highway contract4236$136,96288.1%34.1%8.4%
H013Highway contract3153$148,15389.1%34.9%3.7%

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 78669 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

Areas that include 78669

Where it ranks

Mail every home in 78669

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) 78669, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 78669 in?
78669 is a Spicewood, TX mailing address. By land area, 1% lies inside Briarcliff; the rest is outside any Census-defined city or community.
What county is 78669 in?
78669 is mostly in Travis County (44% of its land), with smaller parts in Burnet and Blanco counties.
What is the population of 78669?
About 12,592 people (±1,174), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 12,415.
What is the median household income in 78669?
$128,000 (±$22,105), 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 78669?
13 USPS carrier routes with 6,268 residential and 213 business mailboxes (6,482 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 78669?
The closest, measured center to center: 78645 (9 mi, Lago Vista), 78654 (10.3 mi, Marble Falls), 78734 (11.3 mi, Lakeway), 78663 (11.4 mi, Round Mountain), 78738 (12.3 mi, Bee Cave) and 78732 (14.5 mi, Steiner Ranch).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.