US > Iowa > Keokuk County > Keswick, IA 50136

50136 ZIP Code Profile, Map, Data & Demographics

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Keswick, IA
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ZIP Code 50136: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Keswick, IA 50136

  • ZIP Code Type: STANDARD
  • County: Keokuk County
  • Centroid: Latitude 41.47, Longitude -92.244
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 50136 has segments in 2 Counties (Iowa, Keokuk).

  • Businesses Addresses: 17
  • PO Box Addresses: 26
  • Residential Addresses: 177
    • Multi-Family Addresses: 0
    • Single Family Addresses: 177

The ZIP Code maps and database are updated 4 times per year.
Database updated: March 1, 2026, Maps updated: May 1, 2024.

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Keswick, IA 50136 Data & Demographics

Source: 2020-2024 American Community Survey 5-Year Estimates

POPULATION

Total Population 376 (100%)
Population Density 9 per sq mi
Diversity Index1 5
 
 

INCOME

Median Household Income $75,625
Per Capita Income $38,342
Median Home Value $97,800
 

HOUSING

Total HU (Housing Units) 173 (100%)
Owner Occupied HU 129 (74.6%)
Renter Occupied HU 16 (9.2%)
Vacant Housing Units 28 (16.2%)
 

HOUSEHOLDS

Total Households 145
Average Household Size 2.59
Family Households 91 (62.8%)
NOTES
  1. The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).

Keswick, IA 50136 - Peer Comparisons by Rank and Percentile

The table below compares 50136 to the other 33,772 ZIP Codes in the United States by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 27830 18th
Population Density # 28325 16th
Median Household Income # 14927 56th
Per Capita Income # 14885 56th
Diversity Index # 29752 12th

Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.


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