U.S. ZIP Code tools

51301 · Population & demographics · Spencer IA

ZIP Code
51301

Spencer, IA

City / locality
Spencer
State
Iowa
ZIP Code type
Type not provided
Latitude
43.1451
Longitude
-95.1457
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

12,638People · Margin of error ±274

Median age

41.8Years · Margin of error ±1.2

Median household income

63,402USD · Margin of error ±6,029

Median home value

188,300USD · Margin of error ±11,031

Total households

5,680Households · Margin of error ±214

Housing units

6,185Count · Margin of error ±173

Owner-occupied housing units

3,994Count · Margin of error ±281

Renter-occupied housing units

1,686Count · Margin of error ±277

Median monthly gross rent

807USD · Margin of error ±93

Household income distribution

USD · Households

$0–$9,999142±71
$10,000–$14,999247±122
$15,000–$19,999202±113
$20,000–$24,999280±157
$25,000–$29,999327±179
$30,000–$34,999168±79
$35,000–$39,999328±140
$40,000–$44,999309±137
$45,000–$49,999331±152
$50,000–$59,999386±128
$60,000–$74,999587±136
$75,000–$99,999758±165
$100,000–$124,999568±168
$125,000–$149,999368±111
$150,000–$199,999390±126
≥ $200,000289±102

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