PlainZIP

Irondale, MO · standard

ZIP Code 63648

Washington County, Missouri - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,628
21/sq mi
$51,765
Median income
$99,500
Median home value
14.5%
Bachelor's or higher

The verdict

Irondale pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.

16th pct
household income, US ZIPs
10th pct
home value, US ZIPs
21
people per sq mi
82%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 63648 against every reporting US ZIP.

ZIP code 63648 covers 76.4 square miles in Irondale, Washington County, Missouri (a standard USPS delivery area), with a modest 1,628 residents on file, a density of 21 people per square mile, in the Chicago time zone.

ZIP 63648 reports a modest median household income of $51,765 (23% below the Missouri average), while per-capita income is $22,630. 22.3% of residents live below the poverty line, and the unemployment rate reads 5.6%. The typical home here is valued at $99,500 (48% below the state average); renters pay a median of - monthly, and 82.4% of units are owner-occupied.

Formal educational attainment runs low here: just 14.5% of adults hold a bachelor's degree or higher, the median age is 40.9, and the average commute is -. Beyond these figures, 5 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Washington County, letting you compare 63648 to its immediate surroundings rather than a national baseline alone.

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 63648, Irondale, MO · 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

1,628

Population

76.4

Area (sq mi)

21

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 63648?

40.9

Median Age

44.3%

Male

55.7%

Female

0.4%

Foreign-Born

White 96.1%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 3.8%
Hispanic or Latino 0.2%

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?

$51,765

Median Household Income

-23% vs state

$22,630

Per Capita Income

22.3%

Poverty Rate

5.6%

Unemployment Rate

How ZIP 63648 ranks nationally

Irondale, MO household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$51,765 16th percentile higher than 16% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 66.8%
Bachelor's Degree or Higher 14.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

779

Total Housing Units

734

Occupied Units

45

Vacant Units

2.53

Avg Household Size

Occupancy Type

Owner 82.4%
Renter 17.6%

$99,500

Median Home Value

-48% vs state

1984

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 8 business establishments in ZIP 63648, employing approximately 15 people with a combined annual payroll of $481,000.

8

Businesses

15

Employees

$481K

Annual Payroll

0

Industry Sectors

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 63648 vs 63660 →

ZIP 63648 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 63648 ranks #4 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 63648 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 63648 ranks #3 of 6 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
63660 Mineral Point, MO 4,276 6.4 mi
63624 Bismarck, MO 3,757 5.6 mi
63653 Leadwood, MO 1,206 6.2 mi
63601 Park Hills, MO 16,656 8.1 mi
63631 Caledonia, MO 849 7.1 mi

More ZIP Codes in Washington County

63080 standard
Sullivan, MO
Pop: 13,987
63664 standard
Potosi, MO
Pop: 8,920
63660 standard
Mineral Point, MO
Pop: 4,276
63630 standard
Cadet, MO
Pop: 4,062
63071 standard
Richwoods, MO
Pop: 1,103
63626 standard
Blackwell, MO
Pop: 1,037

Related Areas

Washington County Irondale, MO Missouri

Frequently Asked Questions

What county is ZIP code 63648 in? ▼
ZIP code 63648 (Irondale) is located in Washington County, Missouri. Washington County contains multiple ZIP codes, see the full list at /counties/washington-mo.
What is the population of ZIP code 63648? ▼
ZIP code 63648 in Irondale, MO has a population of 1,628 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 63648? ▼
The median household income in ZIP 63648 is $51,765, which is 32% below the national average of $76,288.
What is the average home value in ZIP 63648? ▼
The median home value in ZIP 63648 is $99,500, which is 64% below the national average of $278,155.
What is the demographic makeup of ZIP 63648? ▼
The largest racial group in ZIP 63648 is White at 96.1%. Hispanic or Latino residents make up 0.2% of the population.
How many businesses are in ZIP code 63648? ▼
ZIP code 63648 has 8 business establishments employing approximately 15 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 63648? ▼
In ZIP code 63648, 66.8% of residents aged 25+ have a high school diploma or higher, and 14.5% 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 63648? ▼
In ZIP code 63648, approximately 82.4% of occupied housing units are owner-occupied and 17.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 63648? ▼
The poverty rate in ZIP code 63648 is 22.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.