Greenfield, OH · standard
ZIP Code 45123
Highland County, Ohio - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 8,671
- 34/sq mi Moderate-density area
- $62,404
- Median income Near-median income area
- $161,700
- Median home value Below-median home value
- 13.8%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Greenfield pairs a below-median household income with below-median home values, in a rural, homeowner-dominated area.
- 34th pct
- household income, US ZIPs
- 30th pct
- home value, US ZIPs
- 34
- people per sq mi
- 68%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 45123 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 45123 (Greenfield, OH) fell -3.0% from 2023 to 2024. The all-transactions index moved from 221.2 in 2023 to 214.7 in 2024 (2000 = 100).
ZIP code 45123 is a mid-sized community (a standard USPS delivery area) in Greenfield, Highland County, Ohio, home to 8,671 residents across 255.0 square miles, a density of 34 people per square mile, in the New York time zone.
ZIP 45123 reports a modest median household income of $62,404 (15% below the average Ohio ZIP), while per-capita income is $29,397. The poverty rate is 17.6%, with unemployment at 2.3%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $161,700 (18% below the average Ohio ZIP), and median rent is $756; owner occupancy is 68.4%.
Formal educational attainment runs low here: just 13.8% of adults hold a bachelor's degree or higher, the median age is 36.8, and the average commute is 25 minutes. The page also surfaces 2 ZIP codes within roughly 10 miles and 6 more in Highland County, so 45123 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 →
Top industries in ZIP 45123
Top 5 sectors by establishment count in Greenfield, OH
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg
$29,397
Per Capita Income
17.6%
Poverty Rate
2.3%
Unemployment Rate
25.1 min
Mean Commute Time
How ZIP 45123 ranks among Ohio ZIPs
Greenfield, 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)
$62,404 34th percentile higher than 34% 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
3,806housing units
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 ZIP avg
$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 →
ZIP 45123 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 45123
Greenfield (45123)
8,671 residents
- 45612
Bainbridge (45612)
5,303 residents
- 45681 1,689
South Salem (45681)
1,689 residents
What this shows Among its immediate neighbors, ZIP 45123 ranks the most populous - useful context the national average alone can't give.
ZIP 45123 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 45123
Greenfield (45123)
$62,404 median income
- 45612
Bainbridge (45612)
$53,500 median income
- 45681
South Salem (45681)
$49,510 median income
What this shows By household income, ZIP 45123 ranks the highest of 3 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 45123, 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 (8,671 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Highland County
Related Areas
Frequently Asked Questions
What county is ZIP code 45123 in?
ZIP code 45123 (Greenfield) is located in Highland County, Ohio. Highland County contains multiple ZIP codes, see the full list at /counties/highland-oh.
What is the population of ZIP code 45123?
ZIP code 45123 in Greenfield, OH has a population of 8,671 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 45123?
The median household income in ZIP 45123 is $62,404, which is 18% below the national average of $76,288.
What is the average home value in ZIP 45123?
The median home value in ZIP 45123 is $161,700, which is 42% below the national average of $278,155.
What is the demographic makeup of ZIP 45123?
The largest racial group in ZIP 45123 is White at 91.0%. Hispanic or Latino residents make up 1.5% of the population.
How many businesses are in ZIP code 45123?
ZIP code 45123 has 134 business establishments employing approximately 1,773 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 45123?
The top industries by establishment count in ZIP 45123 are: Retail trade (27), Health care and social assistance (16), Accommodation and food services (16). There are 12 industry sectors represented in total.
How have home values changed in ZIP code 45123?
According to the FHFA House Price Index, home values in ZIP 45123 decreased by 3.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 115%. 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 45123?
In ZIP code 45123, 54.7% of residents aged 25+ have a high school diploma or higher, and 13.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 45123?
The mean commute time for workers in ZIP code 45123 is 25.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 45123?
In ZIP code 45123, approximately 68.4% of occupied housing units are owner-occupied and 31.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 45123?
The poverty rate in ZIP code 45123 is 17.6% 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 45123's numbers, next.
- See how ZIP 45123 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Greenfield, OH ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.