77003 ZIP Code, Houston, TX
77003 is a ZIP code in Houston, Texas in Harris County. It covers 2.7 square miles of land, around downtown Houston. The closest ZIP codes are 77010, 77002 and 77004. 10,164 people live here in 5,674 households. At about 3,718 people per square mile it has suburban density, and owners and renters are mixed (41% own). Median household income is $83,980, close to the Texas median of $78,476; 24% of residents moved in during the past year.
Quick facts
- Mailing city: Houston, TX
- County: Harris County
- Metro area: Houston
- Land area: 2.7 sq mi
- Population: 10,164
- Median household income: $83,980
- Carrier routes: 8 (7,792 homes)
Key figures
| Measure | Value |
|---|---|
| Residents | 10,164 |
| Households | 5,674 |
| Median household income | $83,980 |
| Income per person | $64,562 |
| Median age | 36.1 |
| Homeowners | 41.0% |
| Median home value | $384,400 |
| Median rent | $1,486 |
| Bachelor's degree or higher | 45.5% |
| Average commute (minutes) | 25.8 |
| Households with kids under 18 | 10.5% |
| Moved in the past year | 23.6% |
| Below the poverty line | 19.3% |
| Broadband internet | 88.3% |
| Speak a non-English language at home | 33.8% |
Household income
| % of households | Value |
|---|---|
| <$10K | 11.5% |
| $10–15K | 5.5% |
| $15–25K | 7.2% |
| $25–35K | 4.0% |
| $35–50K | 5.0% |
| $50–75K | 13.0% |
| $75–100K | 13.2% |
| $100–150K | 16.2% |
| $150–200K | 8.6% |
| $200K+ | 15.8% |
Age
| % of all residents | Value |
|---|---|
| <10 | 5.4% |
| 10–19 | 5.5% |
| 20–24 | 4.9% |
| 25–34 | 30.6% |
| 35–44 | 24.5% |
| 45–54 | 10.6% |
| 55–64 | 11.2% |
| 65–74 | 5.5% |
| 75+ | 1.9% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 23.9% |
| Owned outright | 11.4% |
| Rented | 50.9% |
| Vacant | 13.8% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 33.5% |
| Townhome | 18.1% |
| 2–4 units | 10.6% |
| 5–19 units | 4.5% |
| 20+ units | 33.4% |
| Mobile / other | 0.0% |
Businesses in 77003
433 business establishments with 6,543 employees (ZIP Codes Business Patterns 2023).
- Accommodation and Food Services: 68
- Retail Trade: 49
- Wholesale Trade: 48
- Other Services (except Public Administration): 45
- Health Care and Social Assistance: 44
- Professional, Scientific, and Technical Services: 40
- Manufacturing: 38
- Real Estate and Rental and Leasing: 20
EDDM carrier routes
77003 has 8 USPS carrier routes with 7,792 residential and 808 business mailboxes. Open the EDDM route map.
Carrier routes in 77003
77003 has 8 USPS carrier routes (8 city (C)) with 7,792 residential and 808 business mailboxes. Routes range from 668 homes (C016) to 1,516 homes (C020); the median route has 860 homes. The Census counted 5,674 households in 77003 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.
| Homes per route | Routes |
|---|---|
| 1–249 | 0 |
| 250–499 | 0 |
| 500–749 | 3 |
| 750–999 | 2 |
| 1,000–1,499 | 2 |
| 1,500+ | 1 |
Best routes in 77003 for…
Highest income
For bigger-ticket offers: remodeling, pools, financial planning, private schools.
- Route C008 — Est. median household income $146,817, 1,012 homes
- Route C014 — Est. median household income $121,737, 1,429 homes
- Route C021 — Est. median household income $99,752, 709 homes
- Route C001 — Est. median household income $93,756, 852 homes
- Route C020 — Est. median household income $83,622, 1,516 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.
- Route C009 — Est. families with children under 18 14.0%, 868 homes
- Route C016 — Est. families with children under 18 12.1%, 668 homes
- Route C014 — Est. families with children under 18 12.0%, 1,429 homes
- Route C002 — Est. families with children under 18 11.4%, 738 homes
- Route C008 — Est. families with children under 18 9.4%, 1,012 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.
- Route C008 — Est. owner-occupied homes 60.5%, 1,012 homes
- Route C014 — Est. owner-occupied homes 52.7%, 1,429 homes
- Route C001 — Est. owner-occupied homes 45.3%, 852 homes
- Route C021 — Est. owner-occupied homes 42.4%, 709 homes
- Route C002 — Est. owner-occupied homes 40.4%, 738 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.
- Route C008 — Est. residents who moved in the past year 28.7%, 1,012 homes
- Route C021 — Est. residents who moved in the past year 28.7%, 709 homes
- Route C020 — Est. residents who moved in the past year 27.2%, 1,516 homes
- Route C014 — Est. residents who moved in the past year 26.9%, 1,429 homes
- Route C002 — Est. residents who moved in the past year 23.9%, 738 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.
- Route C008 — Est. homes built 2010 or later 53.9%, 1,012 homes
- Route C001 — Est. homes built 2010 or later 52.1%, 852 homes
- Route C016 — Est. homes built 2010 or later 50.8%, 668 homes
- Route C021 — Est. homes built 2010 or later 50.3%, 709 homes
- Route C020 — Est. homes built 2010 or later 46.3%, 1,516 homes
Select these 5 routes on the route map
Most businesses
For B2B offers: office supplies, cleaning, IT, catering and commercial services.
- Route C014 — USPS business mailboxes 180, 1,429 homes
- Route C008 — USPS business mailboxes 156, 1,012 homes
- Route C016 — USPS business mailboxes 145, 668 homes
- Route C001 — USPS business mailboxes 139, 852 homes
- Route C009 — USPS business mailboxes 84, 868 homes
Select these 5 routes on the route map
Every carrier route in 77003
| Route | Type | Homes | Businesses | Est. median income | Est. owners | Est. families with kids | Est. moved in past year |
|---|---|---|---|---|---|---|---|
| C001 | City | 852 | 139 | $93,756 | 45.3% | 8.3% | 21.4% |
| C002 | City | 738 | 54 | $59,964 | 40.4% | 11.4% | 23.9% |
| C008 | City | 1,012 | 156 | $146,817 | 60.5% | 9.4% | 28.7% |
| C009 | City | 868 | 84 | $43,249 | 37.7% | 14.0% | 14.6% |
| C014 | City | 1,429 | 180 | $121,737 | 52.7% | 12.0% | 26.9% |
| C016 | City | 668 | 145 | $73,118 | 38.9% | 12.1% | 15.8% |
| C020 | City | 1,516 | 37 | $83,622 | 33.2% | 7.8% | 27.2% |
| C021 | City | 709 | 13 | $99,752 | 42.4% | 8.0% | 28.7% |
Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 77003 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
- 77010 — Houston city, TX (0.9 mi)
- 77002 — Houston city, TX (1.3 mi)
- 77004 — Houston city, TX (2.1 mi)
- 77204 — Houston city, TX (2.1 mi)
- 77011 — Houston city, TX (2.4 mi)
- 77020 — Houston city, TX (2.5 mi)
- 77023 — Houston city, TX (2.6 mi)
- 77006 — Houston city, TX (2.8 mi)
Areas that include 77003
- Houston, TX ZIP codes — 111 ZIP codes
- Harris County ZIP codes — 136 ZIP codes
- Houston ZIP code map — 238 ZIP codes
- Texas ZIP code data
Where it ranks
- No. 19 of 215: highest share of residents who moved in during the past year in the Houston area
- No. 16 of 134: highest share of residents who moved in during the past year in Harris County
- No. 23 of 109: highest median home value in Houston, TX
- No. 16 of 110: highest share of residents who moved in during the past year in Houston, TX
Mail every home in 77003
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) 77003, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 77003 in?
- 77003 is a Houston, TX mailing address. By land area, 100% lies inside Houston.
- What county is 77003 in?
- 77003 is in Harris County.
- What is the population of 77003?
- About 10,164 people (±1,156), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 11,874.
- What is the median household income in 77003?
- $83,980 (±$12,657), 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 77003?
- 8 USPS carrier routes with 7,792 residential and 808 business mailboxes (8,599 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
- What ZIP codes are near 77003?
- The closest, measured center to center: 77010 (0.9 mi, Houston), 77002 (1.3 mi, Houston), 77004 (2.1 mi, Houston), 77204 (2.1 mi, Houston), 77011 (2.4 mi, Houston) and 77020 (2.5 mi, Houston).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.