77531 ZIP Code, Clute, TX

77531 is a ZIP code in Clute, Texas in Brazoria County. It covers 12 square miles of land, centered about 50 miles south of downtown Houston. The closest ZIP codes are 77566, 77541 and 77515. 16,406 people live here in 6,577 households. At about 1,395 people per square mile it has suburban density, and owners and renters are mixed (52% own). Median household income is $73,240, close to the Texas median of $78,476.

Quick facts

Key figures

MeasureValue
Residents16,406
Households6,577
Median household income$73,240
Income per person$36,928
Median age32.2
Homeowners52.3%
Median home value$260,800
Median rent$1,178
Bachelor's degree or higher17.3%
Average commute (minutes)20.8
Households with kids under 1833.4%
Moved in the past year16.0%
Below the poverty line8.4%
Broadband internet92.6%
Speak a non-English language at home31.3%

Household income

% of householdsValue
<$10K4.0%
$10–15K1.3%
$15–25K6.3%
$25–35K9.4%
$35–50K12.2%
$50–75K17.6%
$75–100K16.5%
$100–150K12.6%
$150–200K8.1%
$200K+12.0%

Age

% of all residentsValue
<1011.7%
10–1914.7%
20–249.6%
25–3418.6%
35–4413.7%
45–548.0%
55–6412.3%
65–747.4%
75+3.9%

Tenure

% of housing unitsValue
Owned, with mortgage26.0%
Owned outright19.3%
Rented41.3%
Vacant13.4%

Type of building

% of housing unitsValue
Detached house54.1%
Townhome1.0%
2–4 units4.9%
5–19 units22.8%
20+ units13.2%
Mobile / other4.0%

Businesses in 77531

323 business establishments with 6,130 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

77531 has 9 USPS carrier routes with 7,410 residential and 600 business mailboxes. Open the EDDM route map.

Carrier routes in 77531

77531 has 9 USPS carrier routes (9 city (C)) with 7,410 residential and 600 business mailboxes. Routes range from 358 homes (C006) to 1,289 homes (C005); the median route has 858 homes. The Census counted 6,577 households in 77531 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per routeRoutes
1–2490
250–4992
500–7492
750–9991
1,000–1,4994
1,500+0

Best routes in 77531 for…

Highest income

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

  1. Route C009 — Est. median household income $128,947, 1,090 homes
  2. Route C002 — Est. median household income $95,437, 858 homes
  3. Route C010 — Est. median household income $92,902, 1,008 homes
  4. Route C008 — Est. median household income $85,341, 609 homes
  5. Route C001 — Est. median household income $82,561, 1,129 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 C005 — Est. families with children under 18 37.6%, 1,289 homes
  2. Route C002 — Est. families with children under 18 37.0%, 858 homes
  3. Route C006 — Est. families with children under 18 36.9%, 358 homes
  4. Route C011 — Est. families with children under 18 36.5%, 609 homes
  5. Route C001 — Est. families with children under 18 35.4%, 1,129 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 C009 — Est. owner-occupied homes 75.3%, 1,090 homes
  2. Route C002 — Est. owner-occupied homes 74.0%, 858 homes
  3. Route C010 — Est. owner-occupied homes 70.0%, 1,008 homes
  4. Route C006 — Est. owner-occupied homes 60.9%, 358 homes
  5. Route C001 — Est. owner-occupied homes 60.7%, 1,129 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 C009 — Est. residents who moved in the past year 15.7%, 1,090 homes
  2. Route C006 — Est. residents who moved in the past year 15.6%, 358 homes
  3. Route C004 — Est. residents who moved in the past year 15.4%, 460 homes
  4. Route C008 — Est. residents who moved in the past year 14.7%, 609 homes
  5. Route C011 — Est. residents who moved in the past year 13.3%, 609 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 C009 — Est. homes built 2010 or later 30.3%, 1,090 homes
  2. Route C010 — Est. homes built 2010 or later 27.2%, 1,008 homes
  3. Route C011 — Est. homes built 2010 or later 23.6%, 609 homes
  4. Route C001 — Est. homes built 2010 or later 22.4%, 1,129 homes
  5. Route C002 — Est. homes built 2010 or later 19.1%, 858 homes

Select these 5 routes on the route map

Most businesses

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

  1. Route C004 — USPS business mailboxes 252, 460 homes
  2. Route C006 — USPS business mailboxes 95, 358 homes
  3. Route C010 — USPS business mailboxes 88, 1,008 homes
  4. Route C008 — USPS business mailboxes 54, 609 homes
  5. Route C002 — USPS business mailboxes 38, 858 homes

Select these 5 routes on the route map

Every carrier route in 77531

RouteTypeHomesBusinessesEst. median incomeEst. ownersEst. families with kidsEst. moved in past year
C001City1,12917$82,56160.7%35.4%9.4%
C002City85838$95,43774.0%37.0%13.2%
C004City460252$58,40637.0%28.5%15.4%
C005City1,28912$52,38655.8%37.6%11.8%
C006City35895$49,04560.9%36.9%15.6%
C008City60954$85,34152.9%30.7%14.7%
C009City1,09029$128,94775.3%24.8%15.7%
C010City1,00888$92,90270.0%28.5%7.4%
C011City60915$55,74653.5%36.5%13.3%

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 77531 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 77531

Where it ranks

Mail every home in 77531

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) 77531, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 77531 in?
77531 is a Clute, TX mailing address. By land area, 40% lies inside Clute, 23% lies inside Richwood and 1% lies inside Lake Jackson; the rest is outside any Census-defined city or community.
What county is 77531 in?
77531 is in Brazoria County.
What is the population of 77531?
About 16,406 people (±566), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 15,666.
What is the median household income in 77531?
$73,240 (±$13,706), 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 77531?
9 USPS carrier routes with 7,410 residential and 600 business mailboxes (8,010 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 77531?
The closest, measured center to center: 77566 (4.5 mi, Lake Jackson), 77541 (4.9 mi, Freeport), 77515 (9.8 mi, Angleton), 77422 (11.9 mi, Wild Peach Village), 77534 (13.4 mi, Danbury) and 77577 (17.4 mi, Liverpool).

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