US ZIP Code Map
Loading ZIP borders…

Layers

ZIP code

50638

Grundy Center, IA

STANDARD

50638 covers Grundy Center in Grundy County, with 3,474 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

3,474

Median household income

$79,500

Median home value

$181,000

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 50638. Methodology

ZIP code map of 50638

Census ZCTA boundary for ZIP 50638 in Grundy Center, Iowa
Census ZCTA boundary for ZIP 50638 in Grundy Center, Iowa. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
Download PNG

About ZIP code 50638

Type

STANDARD

Timezone

America/Chicago

Area codes

319, 641

Land area

94.0 sq mi

Water area

0.00 sq mi

Households

1,535

Median gross rent

$681

More enterprise fields

Timezone
America/Chicago
Area Codes
319, 641
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 50638. Not ACS. Methodology

People in 50638

Race

  • White3,268
  • Black or African American19
  • American Indian or Alaska Native5
  • Asian11
  • Other race13
  • Two or more races95

Hispanic or Latino (any race): 47

Age

  • Under 10417
  • 10 to 19438
  • 20 to 29320
  • 30 to 39419
  • 40 to 49372
  • 50 to 59400
  • 60 to 69461
  • 70 to 79322
  • 80 and older262

Income and housing in 50638

Poverty rate

9.0%

Median earnings

$47,214

Median household income

$79,500

Median home value

$181,000

Median gross rent

$681

Education

  • High school graduate96.8%
  • Bachelor's degree25.2%
  • Graduate degree5.4%

Places covering 50638

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

18.0% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 50638

IRS populationACS population
3,7521,876020052023

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
20053,083
20063,093
20073,300
20083,097
20093,081
20103,108
20113,1353,092
20123,1793,010
20133,2603,050
20143,2823,000
20153,3202,980
20163,2363,010
20173,4222,980
20183,2972,960
20193,3043,080
20203,3073,110
20213,4443,060
20223,3303,080
20233,474

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

ZIP codes near 50638

12 nearest ZIP centroids (any distance)

  1. 50642Holland5.8 miPop 554 · Income $108,750
  2. 50657Morrison6.2 miPop 125 · Income $88,750
  3. 50652Lincoln8.2 miPop 88 · Income $56,875
  4. 50680Wellsburg8.7 miPop 1,077 · Income $72,684
  5. 50609Beaman8.9 miPop 370 · Income $89,479
  6. 50669Reinbeck9.3 miPop 2,447 · Income $83,636
  7. 50621Conrad9.9 miPop 1,591 · Income $86,146
  8. 50624Dike10.4 miPop 1,664 · Income $93,333
  9. 50635Gladbrook11.8 miPop 1,470 · Income $72,981
  10. 50673Stout12.4 miPop 236 · Income $87,500
  11. 50269Whitten12.7 miPop 125 · Income $68,750
  12. 50672Steamboat Rock14.9 miPop 438 · Income $64,063

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 50638, 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.

50638 Grundy Center, IA

Looking up ZIP codes within 2 miles of 50638 Grundy Center, 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 50638 FAQ

What city is ZIP code 50638 in?
50638 is in Grundy Center, IA.
What county is 50638 in?
50638 is in Grundy County.
What is the median household income in 50638?
The median household income in 50638 is $79,500.
Which ZIP codes are near 50638?
Use the radius tool on this page to list ZIP codes within a chosen distance of 50638.