Rock Island, TX · standard
ZIP Code 77470
Colorado County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 338
- 5/sq mi Low-density area
- $43,149
- Median income Below-median income area
- $122,800
- Median home value Below-median home value
- 10.4%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Rock Island pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 8th pct
- household income, US ZIPs
- 18th pct
- home value, US ZIPs
- 5
- people per sq mi
- 95%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 77470 against every reporting US ZIP.
ZIP code 77470 is a sparsely populated ZIP (a standard USPS delivery area) in Rock Island, Colorado County, Texas, home to just 338 residents across 73.5 square miles, a density of 5 people per square mile, in the Chicago time zone.
ZIP 77470 reports a modest median household income of $43,149 (43% below the average Texas ZIP), while per-capita income is $18,657. The poverty rate is 8.9%, with unemployment at 9.3%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $122,800 (50% below the average Texas ZIP); owner occupancy is 94.7%.
Formal educational attainment runs low here: just 10.4% of adults hold a bachelor's degree or higher, the median age is 49.2, and the average commute is -. The page also surfaces 3 ZIP codes within roughly 10 miles and 6 more in Colorado County, so 77470 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 77470, Rock Island, TX · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
338
Population
73.5
Area (sq mi)
5
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 77470?
49.2
Median Age
65.0%
Male
35.0%
Female
0.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$43,149
Median Household Income
-43% vs state ZIP avg
$18,657
Per Capita Income
8.9%
Poverty Rate
9.3%
Unemployment Rate
How ZIP 77470 ranks among Texas ZIPs
Rock Island, TX household income vs. every Texas ZIP code
Median household income among 1,737 reporting Texas ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$43,149 7th percentile higher than 7% of 1,737 Texas ZIPs
Each bar is a $20K-wide band; taller bars hold more Texas ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
267housing units
267
Total Housing Units
187
Occupied Units
80
Vacant Units
2.21
Avg Household Size
Occupancy Type
$122,800
Median Home Value
-50% vs state ZIP avg
1980
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Nearby ZIP Codes
Want a side-by-side? Compare 77470 vs 77412 →
ZIP 77470 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 77442
Garwood (77442)
1,137 residents
- 77475
Sheridan (77475)
773 residents
- 77470 338
Rock Island (77470)
338 residents
- 77412 106
Altair (77412)
106 residents
What this shows Among its immediate neighbors, ZIP 77470 ranks #3 by population - useful context the national average alone can't give.
ZIP 77470 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 77442
Garwood (77442)
$70,859 median income
- 77475
Sheridan (77475)
$63,308 median income
- 77470
Rock Island (77470)
$43,149 median income
What this shows By household income, ZIP 77470 ranks #3 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 77470, both outside TX so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Colorado County
Related Areas
Frequently Asked Questions
What county is ZIP code 77470 in?
ZIP code 77470 (Rock Island) is located in Colorado County, Texas. Colorado County contains multiple ZIP codes, see the full list at /counties/colorado-tx.
What is the population of ZIP code 77470?
ZIP code 77470 in Rock Island, TX has a population of 338 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 77470?
The median household income in ZIP 77470 is $43,149, which is 43% below the national average of $76,288.
What is the average home value in ZIP 77470?
The median home value in ZIP 77470 is $122,800, which is 56% below the national average of $278,155.
What is the demographic makeup of ZIP 77470?
The largest racial group in ZIP 77470 is White at 98.3%. Hispanic or Latino residents make up 1.2% of the population.
What is the education level in ZIP code 77470?
In ZIP code 77470, 55.3% of residents aged 25+ have a high school diploma or higher, and 10.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 77470?
In ZIP code 77470, approximately 94.7% of occupied housing units are owner-occupied and 5.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 77470?
The poverty rate in ZIP code 77470 is 8.9% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 77470's numbers, next.
- See how ZIP 77470 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Rock Island, TX ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.