US ZIP Code Map
Loading ZIP borders…

Layers

ZIP code

51578

Westphalia, IA

PO BOX

51578 covers Westphalia in Shelby County, with 150 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

150

Median household income

$108,646

Median home value

$94,500

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 51578. Methodology

About ZIP code 51578

Type

PO BOX

Timezone

America/Chicago

Area codes

712

Land area

0.1 sq mi

Water area

0.00 sq mi

Households

73

More enterprise fields

Timezone
America/Chicago
Area Codes
712
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 51578. Not ACS. Methodology

People in 51578

Race

  • White113
  • American Indian or Alaska Native1
  • Two or more races2

Hispanic or Latino (any race): 1

Age

  • Under 1018
  • 10 to 1914
  • 20 to 297
  • 30 to 3910
  • 40 to 4914
  • 50 to 5928
  • 60 to 6912
  • 70 to 799
  • 80 and older4

Income and housing in 51578

Poverty rate

4.7%

Median earnings

$43,125

Median household income

$108,646

Median home value

$94,500

Education

  • High school graduate95.9%
  • Bachelor's degree8.9%
  • Graduate degree0.0%

Places covering 51578

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Population history for 51578

IRS populationACS population
17688020052023

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
YearACS populationIRS population
2005129
2006131
2007107
201153
201279
201387
201497
201593
2016101
201758
201852
201967
202086
2021163
2022142
2023150

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 51578

12 nearest ZIP centroids (any distance)

  1. 51530Earling5.0 miPop 710 · Income $53,750
  2. 51562Panama5.1 miPop 590 · Income $61,250
  3. 51537Harlan7.0 miPop 6,480 · Income $62,353
  4. 51565Portsmouth8.5 miPop 482 · Income $96,667
  5. 51527Defiance8.6 miPop 346 · Income $63,155
  6. 51447Kirkman10.5 miPop 132 · Income $114,643
  7. 51446Irwin11.1 miPop 437 · Income $61,750
  8. 51570Shelby13.8 miPop 1,131 · Income $69,286
  9. 51528Dow City14.1 miPop 604 · Income $69,000
  10. 51563Persia14.3 miPop 708 · Income $68,333
  11. 51454Manilla15.5 miPop 1,399 · Income $99,044
  12. 51529Dunlap16.1 miPop 2,026 · Income $66,042

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 51578, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.

51578 Westphalia, IA

Looking up ZIP codes within 2 miles of 51578 Westphalia, IA, measured by centroid distance.

Selected —

ACS population

—

Households

—

Avg median income

—

Avg median home

—

Selected ZIP codes

One ZIP code per line. Leading zeros preserved.

ZIP code 51578 FAQ

What city is ZIP code 51578 in?
51578 is in Westphalia, IA.
What county is 51578 in?
51578 is in Shelby County.
What is the median household income in 51578?
The median household income in 51578 is $108,646.
Which ZIP codes are near 51578?
Use the radius tool on this page to list ZIP codes within a chosen distance of 51578.