Alger, OH · standard
ZIP Code 45812
Hardin County, Ohio - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,943
- 19/sq mi Moderate-density area
- $44,045
- Median income Below-median income area
- $137,100
- Median home value Below-median home value
- 9.3%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Alger pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 8th pct
- household income, US ZIPs
- 22nd pct
- home value, US ZIPs
- 19
- people per sq mi
- 82%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 45812 against every reporting US ZIP.
ZIP code 45812 covers 103.4 square miles in Alger, Hardin County, Ohio (a standard USPS delivery area), with a modest 1,943 residents on file, a density of 19 people per square mile, in the New York time zone.
ZIP 45812 reports a modest median household income of $44,045 (40% below the average Ohio ZIP), while per-capita income is $28,540. The poverty rate is 22.5%, so the area-level income figures should not be treated as typical household experience. Home values sit below the statewide ZIP benchmark: the median is $137,100 (30% below the average Ohio ZIP), and median rent is $886; owner occupancy is 82.2%.
Formal educational attainment runs low here: just 9.3% of adults hold a bachelor's degree or higher, the median age is 36.1, and the average commute is -. The page also surfaces 7 ZIP codes within roughly 10 miles and 6 more in Hardin County, so 45812 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 45812, Alger, OH · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
1,943
Population
103.4
Area (sq mi)
19
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 45812?
36.1
Median Age
54.9%
Male
45.1%
Female
1.5%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$44,045
Median Household Income
-40% vs state ZIP avg
$28,540
Per Capita Income
22.5%
Poverty Rate
1.0%
Unemployment Rate
How ZIP 45812 ranks among Ohio ZIPs
Alger, OH household income vs. every Ohio ZIP code
Median household income among 1,127 reporting Ohio ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$44,045 8th percentile higher than 8% of 1,127 Ohio ZIPs
Each bar is a $20K-wide band; taller bars hold more Ohio ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
836housing units
836
Total Housing Units
751
Occupied Units
85
Vacant Units
2.70
Avg Household Size
Occupancy Type
$137,100
Median Home Value
-30% vs state ZIP avg
$886
Median Rent
1975
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
-7.3%
YoY Change (2021)
141
HPI Index (2000 = 100)
+41%
Total Change Since 2000
Home values in ZIP 45812 have decreased 7.3% over the past year (2021). Since 2000, this ZIP has seen +41% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2016 | -2.3% | 114 |
| 2017 | -9.6% | 103 |
| 2019 | – | 102 |
| 2020 | +49.3% | 152 |
| 2021 | -7.3% | 141 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2021. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 15 business establishments in ZIP 45812, employing approximately 64 people with a combined annual payroll of $3,326,000.
15
Businesses
64
Employees
$3.3M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Other services (except public administration) | 4 | 26.7% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 45812 vs 45859 →
ZIP 45812 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 45810
Ada (45810)
8,460 residents
- 45850
Harrod (45850)
3,653 residents
- 45896 2,089
Waynesfield (45896)
2,089 residents
- 45812 1,943
Alger (45812)
1,943 residents
- 45854 498
Lafayette (45854)
498 residents
- 45859 495
Mc Guffey (45859)
495 residents
- 45835 490
Dola (45835)
490 residents
- 45870 156
New Hampshire (45870)
156 residents
What this shows Among its immediate neighbors, ZIP 45812 ranks #4 by population - useful context the national average alone can't give.
ZIP 45812 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 45870
New Hampshire (45870)
$162,813 median income
- 45850
Harrod (45850)
$84,886 median income
- 45835
Dola (45835)
$76,042 median income
- 45810 $63,451
Ada (45810)
$63,451 median income
- 45896 $62,449
Waynesfield (45896)
$62,449 median income
- 45854 $53,125
Lafayette (45854)
$53,125 median income
- 45859 $51,250
Mc Guffey (45859)
$51,250 median income
- 45812 $44,045
Alger (45812)
$44,045 median income
What this shows By household income, ZIP 45812 ranks #8 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 45812, both outside OH so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,943 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Hardin County
Related Areas
Frequently Asked Questions
What county is ZIP code 45812 in?
ZIP code 45812 (Alger) is located in Hardin County, Ohio. Hardin County contains multiple ZIP codes, see the full list at /counties/hardin-oh.
What is the population of ZIP code 45812?
ZIP code 45812 in Alger, OH has a population of 1,943 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 45812?
The median household income in ZIP 45812 is $44,045, which is 42% below the national average of $76,288.
What is the average home value in ZIP 45812?
The median home value in ZIP 45812 is $137,100, which is 51% below the national average of $278,155.
What is the demographic makeup of ZIP 45812?
The largest racial group in ZIP 45812 is White at 94.2%. Hispanic or Latino residents make up 4.4% of the population.
How many businesses are in ZIP code 45812?
ZIP code 45812 has 15 business establishments employing approximately 64 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
How have home values changed in ZIP code 45812?
According to the FHFA House Price Index, home values in ZIP 45812 decreased by 7.3% in 2021. Since 2000, home values in this ZIP have appreciated by approximately 41%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 45812?
In ZIP code 45812, 66.4% of residents aged 25+ have a high school diploma or higher, and 9.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 45812?
In ZIP code 45812, approximately 82.2% of occupied housing units are owner-occupied and 17.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 45812?
The poverty rate in ZIP code 45812 is 22.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 45812's numbers, next.
- See how ZIP 45812 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Alger, OH ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.