US > Ohio > Hardin County > Alger, OH 45812

45812 ZIP Code Profile, Map, Data & Demographics

Related Place Profiles:
Alger, OH
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ZIP Code 45812: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Alger, OH 45812

  • ZIP Code Type: STANDARD
  • County: Hardin County
  • Centroid: Latitude 40.697, Longitude -83.823
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 45812 has segments in 2 Counties (Allen, Hardin).

  • Businesses Addresses: 31
  • PO Box Addresses: 228
  • Residential Addresses: 546
    • Multi-Family Addresses: 0
    • Single Family Addresses: 546

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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Alger, OH 45812 Data & Demographics

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

POPULATION

Total Population 2,027 (100%)
Population Density 52 per sq mi
Diversity Index1 11
 
 

INCOME

Median Household Income $44,045
Per Capita Income $28,540
Median Home Value $137,100
 

HOUSING

Total HU (Housing Units) 836 (100%)
Owner Occupied HU 617 (73.8%)
Renter Occupied HU 134 (16.0%)
Vacant Housing Units 85 (10.2%)
 

HOUSEHOLDS

Total Households 751
Average Household Size 2.70
Family Households 481 (64.0%)
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).

Alger, OH 45812 - Peer Comparisons by Rank and Percentile

The table below compares 45812 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 # 18580 45th
Population Density # 19279 43rd
Median Household Income # 30928 8th
Per Capita Income # 26381 22nd
Diversity Index # 25787 24th

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


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