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ZIP code

45123

Greenfield, OH

STANDARD

45123 covers Greenfield in Highland County, with 8,739 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

8,739

Median household income

$60,614

Median home value

$139,100

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 45123. Methodology

ZIP code map of 45123

Census ZCTA boundary for ZIP 45123 in Greenfield, Ohio
Census ZCTA boundary for ZIP 45123 in Greenfield, Ohio. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
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About ZIP code 45123

Type

STANDARD

City

Greenfield

County

Highland County

Timezone

America/New_York

Area codes

220, 326, 740, 937

Land area

106.8 sq mi

Water area

1.21 sq mi

Households

3,863

Median gross rent

$746

Acceptable cities: Ross County

More enterprise fields

Timezone
America/New_York
Area Codes
220, 326, 740, 937
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 45123. Not ACS. Methodology

People in 45123

Race

  • White8,245
  • Black or African American105
  • American Indian or Alaska Native18
  • Asian22
  • Native Hawaiian and Pacific Islander4
  • Other race28
  • Two or more races354

Hispanic or Latino (any race): 77

Age

  • Under 101,111
  • 10 to 191,346
  • 20 to 29965
  • 30 to 39922
  • 40 to 491,071
  • 50 to 591,147
  • 60 to 691,187
  • 70 to 79672
  • 80 and older355

Income and housing in 45123

Poverty rate

19.5%

Median earnings

$38,485

Median household income

$60,614

Median home value

$139,100

Median gross rent

$746

Education

  • High school graduate85.5%
  • Bachelor's degree13.4%
  • Graduate degree5.1%

Places covering 45123

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

50.2% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 45123

IRS populationACS population
9,6754,837020052023

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
YearACS populationIRS population
20058,159
20068,114
20078,743
20087,879
20097,762
20107,745
20118,3847,505
20128,4197,430
20138,6807,280
20148,5607,100
20158,6487,200
20168,7137,170
20178,8527,030
20188,7367,000
20198,6437,150
20208,7177,240
20218,7027,090
20228,9587,130
20238,739

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 45123

12 nearest ZIP centroids (any distance)

  1. 45681South Salem7.8 miPop 1,440 · Income $53,317
  2. 45135Leesburg8.2 miPop 5,422 · Income $77,373
  3. 45628Frankfort10.8 miPop 5,670 · Income $69,786
  4. 45132Highland11.3 miPop 130 · Income $31,875
  5. 45612Bainbridge11.4 miPop 4,626 · Income $50,500
  6. 45624Cynthiana12.3 miPop 0 · Income —
  7. 43160Washington Court House12.7 miPop 21,966 · Income $57,475
  8. 45617Bourneville13.4 miPop 0 · Income —
  9. 43115Clarksburg15.2 miPop 1,840 · Income $91,136
  10. 45159New Vienna16.2 miPop 3,333 · Income $80,508
  11. 43145New Holland16.3 miPop 2,143 · Income $78,125
  12. 45133Hillsboro16.3 miPop 23,604 · Income $58,813

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 45123, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

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45123 Greenfield, OH

Looking up ZIP codes within 2 miles of 45123 Greenfield, OH, measured by centroid distance.

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ACS population

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Households

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Avg median income

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ZIP code 45123 FAQ

What city is ZIP code 45123 in?
45123 is in Greenfield, OH.
What county is 45123 in?
45123 is in Highland County.
What is the median household income in 45123?
The median household income in 45123 is $60,614.
Which ZIP codes are near 45123?
Use the radius tool on this page to list ZIP codes within a chosen distance of 45123.