PlainZIP

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
$44,045
Median income
$137,100
Median home value
9.3%
Bachelor's or higher

The verdict

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
22th 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 Ohio average), while per-capita income is $28,540. The poverty rate stands at 22.5% and the unemployment rate at 1.0%. The typical home here is valued at $137,100 (30% below the state average); renters pay a median of $886 monthly, and 82.2% of units are owner-occupied.

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 -. Beyond these figures, 7 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Hardin County, letting you compare 45812 to its immediate surroundings rather than a national baseline alone.

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 45812?

36.1

Median Age

54.9%

Male

45.1%

Female

1.5%

Foreign-Born

White 94.2%
African American 0.2%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.4%
Hispanic or Latino 4.4%

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

How ZIP 45812 ranks nationally

Alger, OH household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$44,045 8th percentile higher than 8% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 66.4%
Bachelor's Degree or Higher 9.3%

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

Owner 82.2%
Renter 17.8%

$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 →

ZIP 45812 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 45812 ranks #4 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 45812 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
45859 Mc Guffey, OH 495 1.6 mi
45810 Ada, OH 8,460 6.3 mi
45850 Harrod, OH 3,653 5.8 mi
45835 Dola, OH 490 7.7 mi
45896 Waynesfield, OH 2,089 8.5 mi
45854 Lafayette, OH 498 9.0 mi
45870 New Hampshire, OH 156 11.6 mi

More ZIP Codes in Hardin County

43326 standard
Kenton, OH
Pop: 13,611
45810 standard
Ada, OH
Pop: 8,460
45843 standard
Forest, OH
Pop: 3,701
43340 standard
Mount Victory, OH
Pop: 1,721
45836 standard
Dunkirk, OH
Pop: 1,479
43345 standard
Ridgeway, OH
Pop: 920

Related Areas

Hardin County Alger, OH Ohio

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.

Read our methodology to see how this data is sourced, computed, and verified.