U.S. ZIP Code tools

51576 · Population & demographics · Underwood IA

ZIP Code
51576

Underwood, IA

City / locality
Underwood
State
Iowa
ZIP Code type
Type not provided
Latitude
41.3603
Longitude
-95.627
Coordinate source
GeoNames Postal
Source
GeoNames Postal
Source year
Inherited source snapshot

Some U.S. place names and coordinates come from GeoNames as geographic references. They are not confirmation of the USPS preferred mailing city.

ZCTAs are Census statistical areas. Their boundaries do not represent every USPS ZIP Code or an exact postal delivery boundary.

Population & demographics

acs/acs5 · 2024

ACS figures are five-year statistical estimates for a ZCTA. They do not describe individual addresses; consider the margin of error when comparing values.

Estimated population

1,769People · Margin of error ±324

Median age

40.1Years · Margin of error ±5.5

Median household income

110,476USD · Margin of error ±18,252

Median home value

305,400USD · Margin of error ±32,526

Total households

650Households · Margin of error ±101

Housing units

706Count · Margin of error ±122

Owner-occupied housing units

580Count · Margin of error ±100

Renter-occupied housing units

70Count · Margin of error ±29

Median monthly gross rent

1,172USD · Margin of error ±218

Household income distribution

USD · Households

$0–$9,9997±6
$10,000–$14,9999±12
$15,000–$19,9990±10
$20,000–$24,99935±21
$25,000–$29,99915±19
$30,000–$34,9998±8
$35,000–$39,9992±3
$40,000–$44,9998±9
$45,000–$49,99912±12
$50,000–$59,99953±40
$60,000–$74,99937±19
$75,000–$99,999111±63
$100,000–$124,99965±26
$125,000–$149,99962±33
$150,000–$199,999101±33
≥ $200,000125±65

ACS figures are five-year statistical estimates for a ZCTA. They do not describe individual addresses; consider the margin of error when comparing values.

Source

GeoNames Postal

Source year: Source vintage not supplied

GeoNames Postal

U.S. Census Bureau Gazetteer

Source year: 2026 Gazetteer

U.S. Census Bureau Gazetteer

U.S. Census Bureau ZCTA cartographic boundaries

Source year: 2020 Census ZCTA cartographic

U.S. Census Bureau ZCTA cartographic boundaries

U.S. Census Bureau ACS 5-year

Source year: 2024 ACS 5-year

U.S. Census Bureau ACS 5-year