Postal Codes

77861 ZIP Code

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ZIP code 77861 covers Iola, Texas, with a population of about 2,785 and a median household income of $67,857.

Population
2,78524 per square mile
Median age
46.88.1 points above the US average
Median household income
$67,85711% below the Texas median
Poverty rate
11.1%1.3 points below the US average
Typical home value
$505,225up 22.5% in five years
Median rent
$1,14614% below the Texas median
Degree or higher
27.7%7.3 points below the US average
Homeownership
84.8%19.8 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
36

Where 77861 is

Iola, Texas — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population2,785
Median age46.8
Family households67.2%
Born outside the US1.1%
Speaks a language other than English at home6.9%
White (non-Hispanic)74.4%
Black (non-Hispanic)0.5%
Asian (non-Hispanic)0%
Hispanic or Latino18.3%
Veterans5.6%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$67,857
Income per person$46,029
Poverty rate11.1%
Households on SNAP or cash assistance4.6%

Household income distribution

Under $10k8.5%
$10–15k2.3%
$15–20k3.6%
$20–25k2.1%
$25–30k3.6%
$30–35k2.3%
$35–40k5.1%
$40–45k0.7%
$45–50k1.7%
$50–60k6.4%
$60–75k17.8%
$75–100k17.9%
$100–125k3.8%
$125–150k3.1%
$150–200k14.0%
$200k or more7.1%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed1,500
Mean adjusted gross income$96,230
Returns declaring $200,000 or more10%
Returns, under $25k24.0%
Returns, $25k–$50k17.3%
Returns, $50k–$75k12.7%
Returns, $75k–$100k10.0%
Returns, $100k–$200k26.0%
Returns, $200k or more10.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$260,400
Median gross rent$1,146
Rent as a share of household income23.3%
Owner-occupied84.8%
Vacant homes11.2%
Median year built1997

What the homes are

Detached house71.2%
Attached house0.1%
2 to 4 units0.7%
Mobile home25.2%
Boat, RV or van2.7%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$505,225as of 2026-07
Typical home value, 1 yeardown 1.1%
Typical home value, 5 yearsup 22.5%
Typical home value, 10 yearsup 99.6%
Typical home value since 2000
201220192026$510,698$190,430

$190,430 in 2012 to $505,225 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5%
Bachelor's degree or higher27.7%
High school diploma or higher89.9%
Works from home6.2%
Drives to work alone88.7%
Takes public transport0%
Commutes 45 minutes or more34%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity33.6% same as the national average of 33.4%
Diagnosed diabetes12.9% 0.9 pts above the national average of 12%
Currently smokes13.4% same as the national average of 13.2%
High blood pressure38.3% 4.2 pts above the national average of 34.1%
Fair or poor general health19.6% 0.7 pts below the national average of 20.3%
No health insurance (18–64)11% same as the national average of 11.3%
Depression23.7% 1.8 pts above the national average of 21.9%
No leisure-time physical activity24.6% 0.8 pts below the national average of 25.4%
Arthritis29.8% 4.7 pts above the national average of 25.1%
Binge drinking16.5% 0.5 pts above the national average of 16%
Taking blood pressure medication79.7% 5 pts above the national average of 74.7%
Cancer (non-skin)9.9% 2.2 pts above the national average of 7.7%
Current asthma10.2% same as the national average of 10.4%
Coronary heart disease7.3% 1.1 pts above the national average of 6.2%
Routine check-up in past year77.2% 0.5 pts above the national average of 76.7%
Cholesterol screening88.8% 2.9 pts above the national average of 85.9%
Cognitive disability13.5% 1.3 pts below the national average of 14.8%
Colorectal screening66.1% 1.8 pts above the national average of 64.3%
COPD7.7% 1.1 pts above the national average of 6.6%
Visited a dentist59.7% 1.6 pts below the national average of 61.3%
Any disability31.4% 0.7 pts above the national average of 30.7%
Hearing disability8% 1.3 pts above the national average of 6.7%
High cholesterol40.4% 4.2 pts above the national average of 36.2%
Independent living disability7.8% 0.6 pts below the national average of 8.4%
Mammography use75% 0.9 pts below the national average of 75.9%
Poor mental health (14+ days)16.3% 0.5 pts below the national average of 16.8%
Mobility disability15.3% 1.3 pts above the national average of 14%
Poor physical health (14+ days)14.1% 0.6 pts above the national average of 13.5%
Self-care disability3.8% same as the national average of 4%
Sleeps under 7 hours35.9% 0.5 pts below the national average of 36.4%
Stroke3.8% same as the national average of 3.4%
All natural teeth lost12.7% same as the national average of 13%
Vision disability4.7% 0.9 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments36
People employed283
Annual payroll$14,718,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 47.3% of US census tracts
FEMA ratingRelatively Low
Expected annual loss43.6 out of 100
Community resilience22 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Lightning91.6Relatively High at its worst in this ZIP code
Cold wave90.4Relatively High at its worst in this ZIP code
Hurricane86.6Relatively Moderate at its worst in this ZIP code
Wildfire83.6Relatively Low at its worst in this ZIP code
Tornado80.3Relatively High at its worst in this ZIP code
Strong wind69.7Relatively Moderate at its worst in this ZIP code
Ice storm66.7Relatively Low at its worst in this ZIP code
Landslide59.7Very Low at its worst in this ZIP code
Hail58.7Relatively Low at its worst in this ZIP code
Heat wave52.9Relatively Low at its worst in this ZIP code
Winter weather30Relatively Low at its worst in this ZIP code
River flooding15.4Relatively Low at its worst in this ZIP code
Earthquake11.6Very Low at its worst in this ZIP code
Compared with Texas and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPTexasUnited States
Median household income$67,857$76,292$78,538
Income per person$46,029$39,446$43,289
Poverty rate11.1%13.8%12.4%
Median home value$260,400$260,400$303,400
Median gross rent$1,146$1,339$1,348
Homeownership84.8%62.6%65%
Bachelor's degree or higher27.7%33.1%35%
Unemployment rate5%5.1%5.2%
Works from home6.2%12.8%13.5%
Born outside the US1.1%17.2%13.9%
Median age46.835.538.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationMADISONVILLE, TX US28.2 km away
Rain in a year47 in
Snow in a year0 in

Average high and low by month

January61.8°F / 36.6°F4.36 in rain
February65.7°F / 40.7°F3.35 in rain, 0.3 in snow
March72.4°F / 47°F3.38 in rain
April79.1°F / 53.9°F3.4 in rain
May85.4°F / 62.6°F4.86 in rain
June91.5°F / 69.2°F3.76 in rain
July94.7°F / 71.6°F2.91 in rain
August96.1°F / 71.2°F3.42 in rain
September91°F / 65.4°F3.87 in rain
October82.1°F / 54.9°F4.72 in rain
November71.1°F / 44.7°F4.34 in rain
December63.6°F / 37.9°F4.4 in rain, 0.2 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Iola Independent School District95.7% of this ZIP code's land area
Madisonville Consolidated Independent School District4.3% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability39more vulnerable than 39% of US census tracts
Socioeconomic status34more vulnerable than 34% of US census tracts
Household characteristics74more vulnerable than 74% of US census tracts
Racial and ethnic minority status33more vulnerable than 33% of US census tracts
Housing type and transport30more vulnerable than 30% of US census tracts
Walkability4 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

77831 Bedias, TX13.4 km away
77862 Kurten, TX17.6 km away
77875 Roans Prairie, TX18.9 km away
77872 North Zulch, TX21.8 km away
77830 Anderson, TX22.6 km away
77808 Bryan, TX22.7 km away
77876 Shiro, TX23.5 km away
77802 Bryan, TX24.8 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Grimes County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area115.25 sq mi
Water area3.88 sq mi
Population density24 people per sq mi
Latitude, longitude30.7326, -96.0911

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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