ZIP Code Tabulation Area · Missouri

ZIP Code 63621: Iron County, MO

ZIP Code 63621 (Iron County, Missouri) has an estimated 1,632 residents in 607 households. The median household income is $87,825, the median home value is $175,300 and the median gross rent is —. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Some estimates have a large margin of error. One figure for this ZIP (owner-occupied) is marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

1,632

Margin of error ±411

Median household income

$87,825

Margin of error ±$29,483

Median home value

$175,300

Margin of error ±$40,906

Median gross rent

—

Margin of error not available

Median age

48.0 yrs

Margin of error ±5.8 yrs

Mean travel time to work

24.3 min

Margin of error ±11.4 min

How ZIP 63621 compares with Missouri and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 6362148.0 yrsMissouri39.0 yrsUnited States38.9 yrs

Median household income

ZIP 63621$87,825Missouri$70,702United States$80,734

Per capita income

ZIP 63621$34,804Missouri$39,695United States$44,673

Poverty rate

ZIP 6362118.3%Missouri12.6%United States12.5%

Unemployment rate

ZIP 636210.3%Missouri4.0%United States5.2%

Bachelor's degree or higher

ZIP 6362114.2%Missouri32.4%United States35.7%

Median home value

ZIP 63621$175,300Missouri$230,300United States$332,700

Median gross rent

ZIP 63621—Missouri$1,033/moUnited States$1,413/mo

Owner-occupied homes

ZIP 6362186.5%*Missouri68.1%United States65.2%

Mean travel time to work

ZIP 6362124.3 minMissouri23.5 minUnited States26.4 min

Worked from home

ZIP 6362112.0%Missouri13.0%United States15.1%

All figures for ZIP 63621

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 63621 — ACS 2020–2024 5-year estimates
Measure	ZIP 63621	Margin of error	Missouri	United States
Total population	1,632	±411	6,191,814	334,922,499
Median age	48.0 yrs	±5.8 yrs	39.0 yrs	38.9 yrs
Households	607	±142	2,508,227	129,227,496
Median household income	$87,825	±$29,483	$70,702	$80,734
Per capita income	$34,804	±$5,843	$39,695	$44,673
Poverty rate	18.3%	±5.8 pts	12.6%	12.5%
Unemployment rate	0.3%	±0.8 pts	4.0%	5.2%
Bachelor's degree or higher	14.2%	±5.5 pts	32.4%	35.7%
Median home value	$175,300	±$40,906	$230,300	$332,700
Median gross rent	—	—	$1,033/mo	$1,413/mo
Owner-occupied homes	86.5%*	±11.7 pts	68.1%	65.2%
Mean travel time to work	24.3 min	±11.4 min	23.5 min	26.4 min
Worked from home	12.0%	±6.6 pts	13.0%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 63621
Group	ZIP 63621	Missouri	United States
White alone, not Hispanic or Latino	95.5%	76.3%	57.4%
Black or African American alone, not Hispanic or Latino	0.1%	10.9%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.0%	0.2%	0.5%
Asian alone, not Hispanic or Latino	0.0%	2.1%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.1%	0.2%
Some other race alone, not Hispanic or Latino	0.0%	0.4%	0.6%
Two or more races, not Hispanic or Latino	1.7%	4.8%	4.3%
Hispanic or Latino (of any race)	2.7%	5.2%	19.3%

Where ZIP 63621 is

State: Missouri
Main county: Iron County— also overlaps Madison County
Largest overlapping place: Arcadia (1% of the ZIP's land area)
Land area: 76.72 sq mi· about 21 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Iron County

63620 Iron County, MO 63623 Iron County, MO 63636 Iron County, MO 63650 Iron County, MO 63656 Iron County, MO 63663 Pilot Knob, MO 63675 Iron County, MO 65439 Iron County, MO

See every ZIP code in Missouri, or compare ZIP 63621 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.