U.S. ZIP Code tools

51521 · Population & demographics · Avoca IA

ZIP Code
51521

Avoca, IA

City / locality
Avoca
State
Iowa
ZIP Code type
Type not provided
Latitude
41.4768
Longitude
-95.3509
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

1,953People · Margin of error ±193

Median age

45.2Years · Margin of error ±4.8

Median household income

73,769USD · Margin of error ±4,867

Median home value

202,800USD · Margin of error ±27,038

Total households

878Households · Margin of error ±99

Housing units

965Count · Margin of error ±101

Owner-occupied housing units

644Count · Margin of error ±79

Renter-occupied housing units

234Count · Margin of error ±71

Median monthly gross rent

860USD · Margin of error ±67

Household income distribution

USD · Households

$0–$9,99919±12
$10,000–$14,99934±25
$15,000–$19,99928±28
$20,000–$24,99938±35
$25,000–$29,99923±19
$30,000–$34,99919±15
$35,000–$39,99938±19
$40,000–$44,99942±23
$45,000–$49,99917±14
$50,000–$59,99960±29
$60,000–$74,999154±59
$75,000–$99,999114±42
$100,000–$124,99987±29
$125,000–$149,99959±26
$150,000–$199,99980±41
≥ $200,00066±20

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