ZIP Code 45123
standardSource:
Greenfield · Highland County · Ohio
- Population
- 8,671
- Median income
- $62,404
- Median home value
- $161,700
- Bachelor's or higher
- 13.8%
- Land area
- 255.0 sq mi
34/sq mi
▼ 18% vs US
higher than 34% of US ZIPs
▼ 42% vs US
higher than 30% of US ZIPs
Median age 36.8
New York
ZIP code 45123 in Greenfield, Ohio has a population of 8,671. The median household income is $62,404, which is 18% below the national average. Median home value is $161,700, 42% below the US average. 13.8% of residents hold a bachelor's degree or higher.
ZIP code 45123 is classified by USPS as a standard delivery area and covers roughly 255.0 square miles in Greenfield, Highland County, Ohio. The area is home to 8,671 residents, producing a population density of 34 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 45123 against Ohio and the nation.
On the economic side, the median household income for ZIP 45123 sits at $62,404 (15% below the Ohio average), while per-capita income is $29,397. The poverty rate stands at 17.6% and the unemployment rate at 2.3%. On housing, the median home value is $161,700 (18% below the state average) with median rent at $756 per month, and 68.4% of occupied units are owner-occupied, a direct signal of whether 45123 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 13.8% of adults hold a bachelor's degree or higher, the median age is 36.8, and the average commute is 25 minutes. We also surface 2 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Highland County, so you can benchmark 45123 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 →
Top industries in ZIP 45123
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 45123.
- Retail trade
Retail trade
27 establishments
- Health care and social assistance
Health care and social assistance
16 establishments
- Accommodation and food services
Accommodation and food services
16 establishments
- Construction
Construction
14 establishments
- Other services (except public administration)
Other services (except public administration)
14 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
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 45123, Greenfield, 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
8,671
Population
255.0
Area (sq mi)
34
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 45123?
36.8
Median Age
46.8%
Male
53.2%
Female
0.6%
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?
$62,404
Median Household Income
-15% vs state
$29,397
Per Capita Income
17.6%
Poverty Rate
2.3%
Unemployment Rate
25.1 min
Mean Commute Time
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?
3,806
Total Housing Units
3,313
Occupied Units
493
Vacant Units
2.60
Avg Household Size
Occupancy Type
$161,700
Median Home Value
-18% vs state
$756
Median Rent
1967
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
-3.0%
YoY Change (2024)
215
HPI Index (2000 = 100)
+115%
Total Change Since 2000
Home values in ZIP 45123 have decreased 3.0% over the past year (2024). Since 2000, this ZIP has seen +115% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +19.6% | 141 |
| 2021 | +15.2% | 162 |
| 2022 | +2.6% | 166 |
| 2023 | +33.2% | 221 |
| 2024 | -3.0% | 215 |
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 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 134 business establishments in ZIP 45123, employing approximately 1,773 people with a combined annual payroll of $76,858,000.
134
Businesses
1,773
Employees
$76.9M
Annual Payroll
12
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 27 | 20.1% |
| Health care and social assistance | 16 | 11.9% |
| Accommodation and food services | 16 | 11.9% |
| Construction | 14 | 10.4% |
| Other services (except public administration) | 14 | 10.4% |
| Manufacturing | 10 | 7.5% |
| Finance and insurance | 9 | 6.7% |
| Professional, scientific, and technical services | 7 | 5.2% |
| Real estate and rental and leasing | 6 | 4.5% |
| Transportation and warehousing | 5 | 3.7% |
| Administrative and support and waste management and remediation services | 4 | 3.0% |
| Arts, entertainment, and recreation | 3 | 2.2% |
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 45123 vs 45681 →
More ZIP Codes in Highland County
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Frequently Asked Questions
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What are the main industries in ZIP code 45123? ▼
How have home values changed in ZIP code 45123? ▼
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ZIP Code Research Guides
Official Data Resources for Greenfield, 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.
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Read our methodology , how this data is sourced, computed, and verified.