ZIP Code 45812
standardSource:
Alger · Hardin County · Ohio
- Population
- 1,943
- Median income
- $44,045
- Median home value
- $137,100
- Bachelor's or higher
- 9.3%
- Land area
- 103.4 sq mi
19/sq mi
▼ 42% vs US
higher than 8% of US ZIPs
▼ 51% vs US
higher than 22% of US ZIPs
Median age 36.1
New York
ZIP code 45812 in Alger, Ohio has a population of 1,943. The median household income is $44,045, which is 42% below the national average. Median home value is $137,100, 51% below the US average. 9.3% of residents hold a bachelor's degree or higher.
ZIP code 45812 is classified by USPS as a standard delivery area and covers roughly 103.4 square miles in Alger, Hardin County, Ohio. The area is home to 1,943 residents, producing a population density of 19 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 45812 against Ohio and the nation.
On the economic side, the median household income for ZIP 45812 sits at $44,045 (40% below the Ohio average), while per-capita income is $28,540. The poverty rate stands at 22.5% and the unemployment rate at 1.0%. On housing, the median home value is $137,100 (30% below the state average) with median rent at $886 per month, and 82.2% of occupied units are owner-occupied, a direct signal of whether 45812 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 9.3% of adults hold a bachelor's degree or higher, the median age is 36.1, and the average commute is —. We also surface 7 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Hardin County, so you can benchmark 45812 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, 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; HUD FMR + 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
$28,540
Per Capita Income
22.5%
Poverty Rate
1.0%
Unemployment Rate
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?
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
$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 →
More ZIP Codes in Hardin County
Related Areas
Frequently Asked Questions
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How have home values changed in ZIP code 45812? ▼
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ZIP Code Research Guides
Official Data Resources for Alger, OH
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.