78552 ZIP Code, Harlingen, TX

78552 is a ZIP code in Harlingen, Texas in Cameron County. It covers 48 square miles of land. The closest ZIP codes are 78535, 78559 and 78550. 42,332 people live here in 13,567 households. With about 881 people per square mile it is lightly settled, and most homes are owner-occupied (75%). Median household income is $69,811, below the Texas median of $78,476.

Quick facts

Key figures

MeasureValue
Residents42,332
Households13,567
Median household income$69,811
Income per person$29,015
Median age33.4
Homeowners75.3%
Median home value$169,300
Median rent$1,113
Bachelor's degree or higher24.0%
Average commute (minutes)19.5
Households with kids under 1839.3%
Moved in the past year8.1%
Below the poverty line21.6%
Broadband internet89.5%
Speak a non-English language at home51.9%

Household income

% of householdsValue
<$10K5.9%
$10–15K2.6%
$15–25K9.3%
$25–35K7.3%
$35–50K12.5%
$50–75K16.5%
$75–100K14.5%
$100–150K17.2%
$150–200K7.6%
$200K+6.5%

Age

% of all residentsValue
<1018.7%
10–1914.7%
20–245.3%
25–3413.8%
35–4410.7%
45–5410.1%
55–6411.9%
65–748.7%
75+6.1%

Tenure

% of housing unitsValue
Owned, with mortgage31.7%
Owned outright32.8%
Rented21.2%
Vacant14.3%

Type of building

% of housing unitsValue
Detached house68.5%
Townhome3.4%
2–4 units2.9%
5–19 units2.2%
20+ units1.3%
Mobile / other21.7%

Businesses in 78552

431 business establishments with 8,210 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

78552 has 18 USPS carrier routes with 14,634 residential and 643 business mailboxes. Open the EDDM route map.

Carrier routes in 78552

78552 has 18 USPS carrier routes (3 city (C), 15 rural (R)) with 14,634 residential and 643 business mailboxes. Routes range from 560 homes (C078) to 1,177 homes (R012); the median route has 789 homes. The Census counted 13,567 households in 78552 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per routeRoutes
1–2490
250–4990
500–7497
750–9998
1,000–1,4993
1,500+0

Best routes in 78552 for…

Highest income

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

  1. Route R004 — Est. median household income $93,839, 778 homes
  2. Route R006 — Est. median household income $92,034, 697 homes
  3. Route R003 — Est. median household income $82,860, 730 homes
  4. Route R012 — Est. median household income $82,632, 1,177 homes
  5. Route R018 — Est. median household income $82,360, 708 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 C078 — Est. families with children under 18 54.5%, 560 homes
  2. Route R003 — Est. families with children under 18 48.2%, 730 homes
  3. Route R006 — Est. families with children under 18 45.2%, 697 homes
  4. Route R007 — Est. families with children under 18 43.3%, 800 homes
  5. Route C056 — Est. families with children under 18 42.9%, 706 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 R006 — Est. owner-occupied homes 90.2%, 697 homes
  2. Route R010 — Est. owner-occupied homes 88.8%, 964 homes
  3. Route R001 — Est. owner-occupied homes 88.5%, 901 homes
  4. Route R018 — Est. owner-occupied homes 86.9%, 708 homes
  5. Route R003 — Est. owner-occupied homes 84.6%, 730 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 C074 — Est. residents who moved in the past year 20.5%, 571 homes
  2. Route C078 — Est. residents who moved in the past year 13.8%, 560 homes
  3. Route C056 — Est. residents who moved in the past year 12.5%, 706 homes
  4. Route R011 — Est. residents who moved in the past year 11.9%, 1,104 homes
  5. Route R014 — Est. residents who moved in the past year 11.4%, 1,018 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 R014 — Est. homes built 2010 or later 30.7%, 1,018 homes
  2. Route R007 — Est. homes built 2010 or later 23.9%, 800 homes
  3. Route R016 — Est. homes built 2010 or later 23.0%, 766 homes
  4. Route R012 — Est. homes built 2010 or later 21.9%, 1,177 homes
  5. Route R009 — Est. homes built 2010 or later 21.9%, 804 homes

Select these 5 routes on the route map

Most businesses

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

  1. Route C074 — USPS business mailboxes 208, 571 homes
  2. Route R009 — USPS business mailboxes 75, 804 homes
  3. Route R017 — USPS business mailboxes 57, 848 homes
  4. Route C056 — USPS business mailboxes 52, 706 homes
  5. Route R016 — USPS business mailboxes 47, 766 homes

Select these 5 routes on the route map

Every carrier route in 78552

RouteTypeHomesBusinessesEst. median incomeEst. ownersEst. families with kidsEst. moved in past year
C056City70652$44,96564.9%42.9%12.5%
C074City571208$51,79752.2%37.2%20.5%
C078City56017$62,22361.9%54.5%13.8%
R001Rural90117$64,98488.5%41.6%1.8%
R003Rural7302$82,86084.6%48.2%3.7%
R004Rural7785$93,83981.0%37.0%7.1%
R005Rural89617$70,09372.2%37.2%7.6%
R006Rural6976$92,03490.2%45.2%3.9%
R007Rural8009$64,61479.9%43.3%4.0%
R008Rural6068$57,18676.7%20.8%5.0%
R009Rural80475$67,07876.6%35.4%7.4%
R010Rural96419$49,96088.8%32.1%4.3%
R011Rural1,10434$74,68575.8%23.9%11.9%
R012Rural1,17738$82,63271.3%41.4%8.5%
R014Rural1,0188$66,55279.3%36.9%11.4%
R016Rural76647$65,44477.0%38.1%8.2%
R017Rural84857$74,96184.4%37.2%6.9%
R018Rural70824$82,36086.9%35.0%8.4%

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 78552 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 78552

Where it ranks

Mail every home in 78552

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) 78552, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 78552 in?
78552 is a Harlingen, TX mailing address. By land area, 29% lies inside Harlingen, 6% lies inside Primera, 3% lies inside Combes and 1% lies inside Palm Valley; the rest is outside any Census-defined city or community.
What county is 78552 in?
78552 is in Cameron County.
What is the population of 78552?
About 42,332 people (±2,203), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 38,474.
What is the median household income in 78552?
$69,811 (±$6,495), 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 78552?
18 USPS carrier routes with 14,634 residential and 643 business mailboxes (15,277 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 78552?
The closest, measured center to center: 78535 (4 mi, Combes), 78559 (5.7 mi, La Feria), 78550 (6.9 mi, Harlingen), 78593 (7.2 mi, Yznaga), 78586 (8.7 mi, San Benito) and 78570 (10.1 mi, Mercedes).

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