Irondale ZIP Code List — Washington County, MO

There is one unique ZIP code in Irondale, Missouri and it is 63648. Area code: 573.

ZIP codes

31.33

sq mi land

0.02

sq mi water

573

area code

Irondale, MO ZIP code map

About Irondale, MO

Irondale is a small city located in Washington County, Missouri. Known for its scenic beauty and close-knit community feel, Irondale offers a tranquil lifestyle away from the hustle and bustle of larger urban areas. The city presents a unique blend of rural charm and accessibility to nearby amenities.

Location & geography

Irondale is situated in the southeastern part of Missouri, nestled within the picturesque landscapes of Washington County. It lies approximately 15 miles north of the city of Potosi and about 25 miles south of Festus, making it easily accessible for nearby residents. The city encompasses a total land area of 31.33 square miles, with a minimal water area of 0.02 square miles.

Community & economy

The community in Irondale is characterized by friendly residents and a strong sense of belonging. While the economy is primarily driven by local businesses and agriculture, residents enjoy a lifestyle that emphasizes outdoor activities and community events. Daily life in Irondale often revolves around family gatherings, local festivals, and a connection to the natural surroundings.

Transportation

Transportation in Irondale is facilitated by a network of local roads, with Missouri Route 21 serving as a primary highway connecting the city to larger metropolitan areas. The nearest major airport is located in Festus, which is about 25 miles away, providing access to regional flights. Public transportation options are limited, and most residents rely on personal vehicles for their commuting needs.

History

Irondale was established in the mid-19th century and has a rich history linked to iron ore mining, which played a significant role in its early economy. The city's development was driven by the availability of natural resources in the area, attracting workers and their families. Over the years, Irondale has maintained its small-town charm while adapting to the changes in local industry and community needs.

Did you know?

One surprising fact about Irondale is its origin tied to the iron industry, which influenced its naming and early growth. Despite its small size, the city possesses a unique cultural heritage that reflects the history of the region.

ZIP codes for Irondale, MO (1)

ZIP code	City	County	Map
63648	Irondale	Washington	View map

Demographics & statistics

1,282

Population

39.2

Median age

$34,658

Median household income

$20,529

Per capita income

$99,000

Median home value

$828

Median monthly rent

78.4%

Home ownership

23.6%

Poverty rate

10.4%

Unemployment

476

Housing units

14.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

114

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	316	24.6%
18 and over	966	75.4%
65 and over	229	17.9%
Median age	39.2 years

Race & ethnicity

White 90.5%

Two or more races 4.5%

Hispanic or Latino 4.2%

Asian 0.8%

Group	Count	%
White	1,211	90.5%
Two or more races	60	4.5%
Hispanic or Latino	56	4.2%
Asian	11	0.8%

Household income

Under $10k 3.0%

$10k–$15k 5.9%

$15k–$25k 28.4%

$25k–$35k 14.6%

$35k–$50k 18.6%

$50k–$75k 7.6%

$75k–$100k 12.4%

$100k–$150k 7.7%

$150k–$200k 0.4%

$200k+ 1.5%

Range	% of households
Under $10k	3.0%
$10k–$15k	5.9%
$15k–$25k	28.4%
$25k–$35k	14.6%
$35k–$50k	18.6%
$50k–$75k	7.6%
$75k–$100k	12.4%
$100k–$150k	7.7%
$150k–$200k	0.4%
$200k+	1.5%
Median income	$34,658

Housing

Home values

Under $50k 39.3%

$50k–$100k 11.3%

$100k–$150k 13.2%

$150k–$200k 11.3%

$200k–$300k 9.9%

$300k–$500k 15.1%

Housing overview

Metric	Value
Median home value	$99,000
Median rent / month	$828
Owner occupied	78.4%
Renter occupied	21.6%
Vacant	8.6%
Single-family detached	69.0%
Large apartment buildings	0.5%
Mobile homes	30.0%
Median rooms	5.4
Avg household size (owned)	2.44

Year built

Era	%
2020 or later	0.0%
2010–2019	1.0%
2000–2009	7.3%
1990–1999	16.0%
1980–1989	39.0%
1970–1979	11.3%
1960–1969	11.6%
1950–1959	3.4%
1940–1949	2.0%
1939 or earlier	8.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.5%
2 bedrooms	32.4%
3 bedrooms	49.7%
4 bedrooms	7.3%
5+ bedrooms	7.1%

Vehicles per household

Vehicles	% of households
No vehicle	7.7%
1 vehicle	22.1%
2 vehicles	40.6%
3 or more	29.5%

Heating fuel

Fuel type	%
Utility gas	1.1%
Electricity	72.9%
Propane / LP gas	13.3%
Wood	11.3%
Solar	1.5%

Households & families

Household type	Count	%
Married-couple family	236	43.5%
Cohabiting couple	35	6.5%
Male householder, no spouse	80	14.8%
Female householder, no spouse	191	35.2%
Households with children under 18	229	42.3%
Households with seniors (65+)	184	33.9%
Average household size	2.37

Marital status

Status	Male	Female
Never married	32.1%	24.5%
Married	48.6%	44.7%
Separated	0.8%	5.5%
Widowed	3.6%	9.0%
Divorced	14.9%	16.3%

Education

Less than 9th grade 0.5%

Some HS, no diploma 12.0%

HS graduate 37.7%

Some college, no degree 24.7%

Associate's degree 11.0%

Bachelor's degree 9.0%

Graduate / professional 5.1%

Metric	%
HS diploma or higher	87.5%
Bachelor's or higher	14.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	13	4.4%
Kindergarten	17	5.7%
Elementary school	140	47.1%
High school	58	19.5%
College / grad school	69	23.2%

Employment

Industry of employment

Education & healthcare 24.6%

Retail trade 22.2%

Manufacturing 18.2%

Other services 8.7%

Arts, food & hospitality 5.7%

Agriculture & mining 4.7%

Public administration 4.7%

Transportation & utilities 3.6%

Finance & real estate 3.6%

Construction 1.9%

Information 1.3%

Wholesale trade 0.6%

Professional & management 0.2%

Occupation

Category	%
Management, business & arts	32.6%
Service	13.3%
Sales & office	29.2%
Natural resources & construction	4.5%
Production & transportation	20.5%

Employment type

Type	%
Private sector	75.9%
Government	16.7%
Self-employed	7.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	86.9%
Carpool	1.9%
Public transit	0.0%
Walk	4.6%
Other means	1.5%
Avg commute (minutes)	33.9

Poverty

All people 23.6%

Under 18 years 33.2%

18 and over 20.4%

Married-couple families 20.3%

Female-led households 34.1%

Income support

Source	% of households
Social Security	33.6%
Retirement income	52.4%
Supplemental Security	4.2%
Cash public assistance	3.0%
Food stamps / SNAP	18.6%

Health indicators

Condition	%
High blood pressure	35.4%
High cholesterol	35.0%
Heart disease	8.2%
Stroke	3.9%
Asthma	10.6%
Arthritis	30.1%
Kidney disease	3.3%
Pulmonary disease	11.0%
Cancer	6.6%

Behavior / access	%
Binge drinking	16.8%
No physical activity	30.2%
Less than 7 hrs sleep	35.0%
Fair or poor health	20.9%
Poor mental health	17.8%
Poor physical health	14.5%
No health insurance	18.6%
Visited doctor (checkup)	72.6%
Visited dentist	51.7%
Cholesterol screening	85.7%
Teeth loss	24.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	51	5.3%

Disability	%
Any disability	19.4%
Under 18	3.8%
18–64 years	16.1%
65 and over	51.5%

Health insurance coverage

Type	%
Private insurance	49.2%
Public insurance	44.7%
Uninsured under 19	19.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,193	93.1%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,269	99.0%
Born in same state	1,269	99.0%
Born in different state	1,109	86.5%
Foreign born	0	0.0%
Naturalized citizen	13	1.0%
Not a US citizen	13	100.0%

Ancestry

Ancestry	Count	%
Italian	145	11.3%
Arab	142	11.1%

Ancestry	Count	%
French	77	6%

Technology access

Metric	% of households
Computer access	42.3%
Internet access	90.4%

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

Frequently asked questions

What is the ZIP code for Irondale, MO?

Irondale, MO has one ZIP code: 63648.

What is the main ZIP code for Irondale, MO?

The primary ZIP code for Irondale, MO is 63648. The city uses area code 573 for phone service.

What county is Irondale, MO in?

Irondale is located in Washington County, Missouri.

How many ZIP codes are in Irondale, MO?

Irondale, MO has 1 ZIP code.

What ZIP code should I use for businesses located in downtown Irondale, MO?

Downtown Irondale businesses use ZIP code 63648, which serves as the primary postal code for the city in Washington County.

If I'm shipping a package to a residence in Irondale, Missouri, what ZIP code do I need?

All residential addresses in Irondale, Missouri use ZIP code 63648, the sole ZIP code for this Washington County community.