77338 ZIP Code, Humble, TX

77338 is a ZIP code in Humble, Texas in Harris County. It covers 26 square miles of land, centered about 18 miles north of downtown Houston. The closest ZIP codes are 77032, 77339 and 77396. 48,031 people live here in 16,791 households, more than in 9 of every 10 Texas ZIP codes. At about 1,844 people per square mile it has suburban density, and owners and renters are mixed (48% own). Median household income is $64,755, below the Texas median of $78,476; 42% of households have children under 18.

Quick facts

Key figures

MeasureValue
Residents48,031
Households16,791
Median household income$64,755
Income per person$30,188
Median age31.9
Homeowners47.5%
Median home value$233,300
Median rent$1,415
Bachelor's degree or higher21.2%
Average commute (minutes)29.8
Households with kids under 1841.8%
Moved in the past year15.9%
Below the poverty line19.6%
Broadband internet93.1%
Speak a non-English language at home36.6%

Household income

% of householdsValue
<$10K4.2%
$10–15K4.4%
$15–25K8.6%
$25–35K7.4%
$35–50K13.8%
$50–75K17.6%
$75–100K12.4%
$100–150K18.7%
$150–200K6.8%
$200K+6.1%

Age

% of all residentsValue
<1016.2%
10–1915.2%
20–246.6%
25–3416.5%
35–4415.2%
45–5411.6%
55–648.7%
65–746.8%
75+3.1%

Tenure

% of housing unitsValue
Owned, with mortgage29.8%
Owned outright14.8%
Rented49.1%
Vacant6.4%

Type of building

% of housing unitsValue
Detached house58.5%
Townhome2.1%
2–4 units5.0%
5–19 units23.3%
20+ units9.8%
Mobile / other1.3%

Businesses in 77338

1,296 business establishments with 22,996 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

77338 has 24 USPS carrier routes with 17,569 residential and 2,010 business mailboxes. Open the EDDM route map.

Carrier routes in 77338

77338 has 24 USPS carrier routes (9 city (C), 15 rural (R)) with 17,569 residential and 2,010 business mailboxes. Routes range from 165 homes (C012) to 1,073 homes (R032); the median route has 732 homes. The Census counted 16,791 households in 77338 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per routeRoutes
1–2491
250–4992
500–74910
750–9997
1,000–1,4994
1,500+0

Best routes in 77338 for…

Highest income

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

  1. Route C007 — Est. median household income $117,745, 445 homes
  2. Route R103 — Est. median household income $101,878, 714 homes
  3. Route R003 — Est. median household income $85,455, 1,029 homes
  4. Route R055 — Est. median household income $84,382, 657 homes
  5. Route R101 — Est. median household income $79,921, 793 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 R100 — Est. families with children under 18 57.6%, 800 homes
  2. Route R026 — Est. families with children under 18 52.3%, 583 homes
  3. Route R110 — Est. families with children under 18 51.6%, 989 homes
  4. Route R098 — Est. families with children under 18 48.4%, 1,051 homes
  5. Route R055 — Est. families with children under 18 44.1%, 657 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 C007 — Est. owner-occupied homes 100.0%, 445 homes
  2. Route R055 — Est. owner-occupied homes 78.7%, 657 homes
  3. Route R103 — Est. owner-occupied homes 77.1%, 714 homes
  4. Route R036 — Est. owner-occupied homes 71.8%, 718 homes
  5. Route R101 — Est. owner-occupied homes 71.3%, 793 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 C001 — Est. residents who moved in the past year 28.5%, 783 homes
  2. Route C008 — Est. residents who moved in the past year 26.1%, 584 homes
  3. Route C009 — Est. residents who moved in the past year 25.8%, 953 homes
  4. Route R098 — Est. residents who moved in the past year 24.1%, 1,051 homes
  5. Route C011 — Est. residents who moved in the past year 23.4%, 330 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 R103 — Est. homes built 2010 or later 46.3%, 714 homes
  2. Route R092 — Est. homes built 2010 or later 46.0%, 877 homes
  3. Route R110 — Est. homes built 2010 or later 35.0%, 989 homes
  4. Route R098 — Est. homes built 2010 or later 34.1%, 1,051 homes
  5. Route R036 — Est. homes built 2010 or later 32.9%, 718 homes

Select these 5 routes on the route map

Most businesses

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

  1. Route C012 — USPS business mailboxes 380, 165 homes
  2. Route C014 — USPS business mailboxes 212, 588 homes
  3. Route C001 — USPS business mailboxes 211, 783 homes
  4. Route C009 — USPS business mailboxes 209, 953 homes
  5. Route C011 — USPS business mailboxes 194, 330 homes

Select these 5 routes on the route map

Every carrier route in 77338

RouteTypeHomesBusinessesEst. median incomeEst. ownersEst. families with kidsEst. moved in past year
C001City783211$50,71632.5%43.9%28.5%
C004City623140$59,48313.3%19.4%21.6%
C007City44517$117,745100.0%15.4%7.3%
C008City58432$49,39023.1%33.0%26.1%
C009City953209$48,91318.3%34.9%25.8%
C011City330194$45,5605.6%43.0%23.4%
C012City165380$59,78041.4%28.0%14.1%
C014City588212$44,7238.7%41.1%22.9%
C016City587150$60,54324.3%41.3%20.6%
R003Rural1,0292$85,45561.5%41.9%16.2%
R017Rural507110$43,81962.8%40.6%7.0%
R026Rural583186$59,54657.3%52.3%19.3%
R032Rural1,0735$62,13661.9%32.8%12.5%
R036Rural7180$77,47771.8%40.6%10.7%
R052Rural9242$74,43146.0%44.0%17.2%
R055Rural6570$84,38278.7%44.1%5.2%
R092Rural8772$76,44250.8%33.6%20.9%
R098Rural1,05120$57,96254.9%48.4%24.1%
R100Rural8001$64,72664.6%57.6%4.8%
R101Rural7930$79,92171.3%40.7%7.5%
R103Rural7140$101,87877.1%43.2%6.6%
R106Rural7460$67,38950.3%42.7%11.3%
R110Rural98967$64,40760.4%51.6%15.8%
R111Rural1,05070$58,09767.6%40.5%4.7%

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 77338 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 77338

Where it ranks

Mail every home in 77338

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.

Houston EDDM mailing

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 77338, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 77338 in?
77338 is a Humble, TX mailing address. By land area, 28% lies inside Houston, 26% lies inside Humble and 8% lies inside Atascocita; the rest is outside any Census-defined city or community.
What county is 77338 in?
77338 is in Harris County.
What is the population of 77338?
About 48,031 people (±3,504), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 45,031.
What is the median household income in 77338?
$64,755 (±$7,500), 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 77338?
24 USPS carrier routes with 17,569 residential and 2,010 business mailboxes (19,581 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 77338?
The closest, measured center to center: 77032 (4.2 mi, Houston), 77339 (4.3 mi, Houston), 77396 (5.1 mi, Houston), 77346 (6.5 mi, Atascocita), 77365 (6.9 mi, Porter Heights) and 77373 (6.9 mi, Spring).

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