Iola ZIP Code List — Grimes County, TX

There is one unique ZIP code in Iola, Texas and it is 77861. Area code: 936.

ZIP codes

115.25

sq mi land

3.88

sq mi water

936

area code

Iola, TX ZIP code map

About Iola, TX

Iola, Texas, is a charming small town located in Grimes County, known for its rural atmosphere and warm community spirit. This quaint town is characterized by its picturesque landscapes and friendly residents. Iola serves as a quiet retreat from the hustle and bustle of larger cities while offering its own unique charm and local culture.

Location & geography

Iola is located in the central part of Texas, nestled within Grimes County, providing convenient access to various neighboring towns. Approximately 20 miles to the southeast lies the city of Huntsville, while Navasota is about 12 miles to the southwest. The town covers a land area of 115.25 square miles, with an additional 3.88 square miles designated as water area, creating a diverse terrain that includes open fields and waterways.

Community & economy

The community of Iola is characterized by its close-knit environment and welcoming atmosphere, where residents often come together for local events and gatherings. The town's economy mainly revolves around agriculture and small businesses, fostering a sense of pride among its residents. Daily life in Iola tends to be relaxed, with a strong emphasis on family values and community involvement.

Transportation

Iola is accessible via major highways, with Highway 90 running through the area providing connections to nearby towns. For air travel, the nearest significant airport is Huntsville Municipal Airport, located approximately 20 miles away. Local transit options are limited, reflecting the town's small size and rural ambiance.

History

Iola was founded in the 19th century, initially serving as a way station for travelers and local farmers. Agriculture has historically been a key industry in the area, shaping the town's development and growth over the years. Notable events in the town's history include the establishment of community gatherings and local festivals, which continue to foster community spirit.

Did you know?

A little-known fact about Iola is that it boasts a rich agricultural heritage that has influenced local culture and economy. Additionally, the town's tranquil environment and friendly residents make it a hidden gem for those seeking a peaceful retreat in Texas.

ZIP codes for Iola, TX (1)

ZIP code	City	County	Map
77861	Iola	Grimes	View map

Demographics & statistics

2,921

Population

43.1

Median age

$67,113

Median household income

$41,849

Per capita income

$244,800

Median home value

$882

Median monthly rent

85.8%

Home ownership

10.0%

Poverty rate

4.5%

Unemployment

1,145

Housing units

23.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

120

5–9

108

167

10–14

150

118

15–19

106

20–24

103

25–34

152

35–44

136

214

45–54

191

110

55–59

142

60–64

128

216

65–74

194

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	734	25.1%
18 and over	2,187	74.9%
65 and over	540	18.5%
Median age	43.1 years

Race & ethnicity

White 83.2%

Hispanic or Latino 6.3%

Two or more races 6.3%

Other race 2.9%

Black or African American 1.1%

American Indian / Alaska Native 0.2%

Group	Count	%
White	2,593	83.2%
Hispanic or Latino	196	6.3%
Two or more races	195	6.3%
Other race	91	2.9%
Black or African American	35	1.1%
American Indian / Alaska Native	7	0.2%

Household income

Under $10k 8.3%

$10k–$15k 1.4%

$15k–$25k 8.3%

$25k–$35k 6.9%

$35k–$50k 10.2%

$50k–$75k 18.7%

$75k–$100k 11.4%

$100k–$150k 13.0%

$150k–$200k 13.1%

$200k+ 8.7%

Range	% of households
Under $10k	8.3%
$10k–$15k	1.4%
$15k–$25k	8.3%
$25k–$35k	6.9%
$35k–$50k	10.2%
$50k–$75k	18.7%
$75k–$100k	11.4%
$100k–$150k	13.0%
$150k–$200k	13.1%
$200k+	8.7%
Median income	$67,113

Housing

Home values

Under $50k 8.5%

$50k–$100k 6.1%

$100k–$150k 11.8%

$150k–$200k 13.0%

$200k–$300k 21.5%

$300k–$500k 16.4%

$500k–$1M 18.2%

$1M+ 4.5%

Housing overview

Metric	Value
Median home value	$244,800
Median rent / month	$882
Owner occupied	85.8%
Renter occupied	14.2%
Vacant	16.5%
Single-family detached	73.3%
Large apartment buildings	0.0%
Mobile homes	23.6%
Median rooms	5.9
Avg household size (owned)	2.75

Year built

Era	%
2020 or later	2.5%
2010–2019	26.5%
2000–2009	13.6%
1990–1999	16.6%
1980–1989	16.0%
1970–1979	8.6%
1960–1969	8.2%
1950–1959	3.7%
1940–1949	1.5%
1939 or earlier	2.7%

Bedrooms

Size	% of units
No bedroom (studio)	1.2%
1 bedroom	5.5%
2 bedrooms	26.6%
3 bedrooms	41.3%
4 bedrooms	20.2%
5+ bedrooms	5.1%

Vehicles per household

Vehicles	% of households
No vehicle	1.2%
1 vehicle	25.7%
2 vehicles	47.4%
3 or more	25.7%

Heating fuel

Fuel type	%
Utility gas	2.4%
Electricity	68.8%
Propane / LP gas	23.4%
Wood	4.2%
Solar	1.2%

Households & families

Household type	Count	%
Married-couple family	646	59.5%
Cohabiting couple	17	1.6%
Male householder, no spouse	123	11.3%
Female householder, no spouse	299	27.6%
Households with children under 18	347	32.0%
Households with seniors (65+)	406	37.4%
Average household size	2.69

Marital status

Status	Male	Female
Never married	27.9%	15.5%
Married	61.1%	58.0%
Separated	0.6%	0.2%
Widowed	2.2%	10.7%
Divorced	8.1%	15.6%

Education

Less than 9th grade 0.5%

Some HS, no diploma 11.0%

HS graduate 33.4%

Some college, no degree 20.9%

Associate's degree 10.9%

Bachelor's degree 14.9%

Graduate / professional 8.4%

Metric	%
HS diploma or higher	88.5%
Bachelor's or higher	23.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	15	1.8%
Kindergarten	28	3.4%
Elementary school	499	60.7%
High school	184	22.4%
College / grad school	96	11.7%

Employment

Industry of employment

Education & healthcare 21.9%

Construction 18.1%

Agriculture & mining 9.6%

Professional & management 9.4%

Finance & real estate 7.4%

Manufacturing 7.3%

Transportation & utilities 7.3%

Arts, food & hospitality 7.2%

Retail trade 4.7%

Wholesale trade 2.6%

Public administration 2.0%

Other services 1.5%

Information 1.0%

Occupation

Category	%
Management, business & arts	35.0%
Service	7.8%
Sales & office	22.4%
Natural resources & construction	19.5%
Production & transportation	15.2%

Employment type

Type	%
Private sector	76.5%
Government	12.5%
Self-employed	10.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	88.1%
Carpool	3.5%
Public transit	0.0%
Walk	0.8%
Other means	3.6%
Avg commute (minutes)	33.7

Poverty

All people 10.0%

Under 18 years 10.6%

18 and over 9.8%

Married-couple families 2.9%

Female-led households 25.2%

Income support

Source	% of households
Social Security	39.4%
Retirement income	30.2%
Supplemental Security	9.8%
Cash public assistance	3.3%
Food stamps / SNAP	5.0%

Health indicators

Condition	%
High blood pressure	35.9%
High cholesterol	37.5%
Heart disease	7.1%
Stroke	3.1%
Asthma	9.1%
Arthritis	25.4%
Kidney disease	3.0%
Pulmonary disease	7.6%
Cancer	6.9%

Behavior / access	%
Binge drinking	18.8%
No physical activity	23.8%
Less than 7 hrs sleep	33.4%
Fair or poor health	16.1%
Poor mental health	15.4%
Poor physical health	11.6%
No health insurance	21.7%
Visited doctor (checkup)	71.7%
Visited dentist	56.6%
Cholesterol screening	89.7%
Teeth loss	14.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	162	7.4%

Disability	%
Any disability	17.3%
Under 18	3.3%
18–64 years	17.7%
65 and over	35.2%

Health insurance coverage

Type	%
Private insurance	76.2%
Public insurance	30.4%
Uninsured under 19	6.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,834	97.0%
Spanish	28	1.0%
Other Indo-European	28	1.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,875	98.4%
Born in same state	2,875	98.4%
Born in different state	2,250	77.0%
Foreign born	0	0.0%
Naturalized citizen	46	1.6%
Not a US citizen	35	76.1%

Ancestry

Ancestry	Count	%
Italian	299	10.2%
Arab	194	6.6%
French	168	5.8%
English	74	2.5%

Ancestry	Count	%
Polish	42	1.4%
German	25	0.9%
Dutch	1	0%

Technology access

Metric	% of households
Computer access	37.1%
Internet access	93.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for Iola, TX?

Iola, TX has one ZIP code: 77861.

What is the main ZIP code for Iola, TX?

The primary ZIP code for Iola, TX is 77861. The city uses area code 936 for phone service.

What county is Iola, TX in?

Iola is located in Grimes County, Texas.

How many ZIP codes are in Iola, TX?

Iola, TX has 1 ZIP code.

What ZIP code should I use for mailing something to downtown Iola in Grimes County?

Downtown Iola is located in ZIP code 77861, which is the primary ZIP code serving the city of Iola, Texas.

If I'm sending a package to a business in Iola, Texas, what is the correct ZIP code to use?

All businesses and addresses in Iola, Texas use ZIP code 77861, as it is the only ZIP code assigned to this Grimes County city.