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ZIP code

50138

Knoxville, IA

STANDARD

50138 covers Knoxville in Marion County, with 11,374 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

11,374

Median household income

$76,887

Median home value

$169,900

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 50138. Methodology

ZIP code map of 50138

Census ZCTA boundary for ZIP 50138 in Knoxville, Iowa
Census ZCTA boundary for ZIP 50138 in Knoxville, Iowa. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
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About ZIP code 50138

Type

STANDARD

Timezone

America/Chicago

Area codes

515, 641

Land area

168.1 sq mi

Water area

7.65 sq mi

Households

5,181

Median gross rent

$815

Acceptable cities: Pershing

More enterprise fields

Timezone
America/Chicago
Area Codes
515, 641
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 50138. Not ACS. Methodology

People in 50138

Race

  • White10,862
  • Black or African American126
  • American Indian or Alaska Native39
  • Asian50
  • Native Hawaiian and Pacific Islander2
  • Other race70
  • Two or more races482

Hispanic or Latino (any race): 226

Age

  • Under 101,350
  • 10 to 191,543
  • 20 to 291,207
  • 30 to 391,290
  • 40 to 491,379
  • 50 to 591,591
  • 60 to 691,653
  • 70 to 791,023
  • 80 and older595

Income and housing in 50138

Poverty rate

8.7%

Median earnings

$46,580

Median household income

$76,887

Median home value

$169,900

Median gross rent

$815

Education

  • High school graduate94.2%
  • Bachelor's degree28.4%
  • Graduate degree7.3%

Places covering 50138

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

34.7% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 50138

IRS populationACS population
13,0536,526020052023

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
200510,902
200610,602
200711,332
200810,410
200910,380
201010,288
201111,71010,305
201211,70010,170
201311,83010,310
201411,60310,130
201511,31510,210
201611,32410,160
201711,16110,140
201811,74110,160
201911,94010,270
202011,72510,140
202111,99410,010
202212,08610,100
202311,374

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

ZIP codes near 50138

12 nearest ZIP centroids (any distance)

  1. 50062Melcher Dallas8.5 miPop 833 · Income $70,714
  2. 50057Columbia8.6 miPop 261 · Income —
  3. 50119Harvey8.7 miPop 352 · Income $50,833
  4. 50163Melcher Dallas8.9 miPop 669 · Income $73,704
  5. 50225Pleasantville10.2 miPop 3,396 · Income $69,221
  6. 50116Hamilton10.8 miPop 185 · Income —
  7. 50256Tracy10.9 miPop 620 · Income $76,985
  8. 50214Otley11.8 miPop 684 · Income $118,958
  9. 50044Bussey12.6 miPop 948 · Income $75,568
  10. 50219Pella13.6 miPop 14,267 · Income $83,601
  11. 50150Lovilia14.1 miPop 827 · Income $64,844
  12. 50139Lacona15.0 miPop 1,058 · Income $70,673

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 50138, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

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50138 Knoxville, IA

Looking up ZIP codes within 2 miles of 50138 Knoxville, IA, measured by centroid distance.

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ACS population

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Households

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Avg median income

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Avg median home

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Selected ZIP codes

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ZIP code 50138 FAQ

What city is ZIP code 50138 in?
50138 is in Knoxville, IA.
What county is 50138 in?
50138 is in Marion County.
What is the median household income in 50138?
The median household income in 50138 is $76,887.
Which ZIP codes are near 50138?
Use the radius tool on this page to list ZIP codes within a chosen distance of 50138.