45051 ZIP Code — Mount Saint Joseph, OH

Hamilton County, Ohio

ZIP code 45051 is located in Mount Saint Joseph, Ohio, within Hamilton County. It covers approximately 0.45 square miles and serves a population of 388 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 513.

About ZIP code 45051

The housing stock consists of a mix of housing types. Most homes were built in the 1960s, giving the area an established character.

Median household income is $61,477. Poverty affects 47% of residents, above the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 19 minutes is near the national average.

Educational attainment is near the national average, with 37% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of diabetes (18%) compared to national benchmarks. 19% of residents lack health insurance, above the national average.

Notable community characteristics include disability rates above the national average at 24%.

388

population

0.45

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

45051 ZIP code map

Cities in ZIP code 45051

Below are the cities the US Postal Service accepts for ZIP code 45051. Using any city not on this list may result in mail delivery delays.

City	Status
Mount Saint Joseph	Acceptable
Mount Saint Joseph	Acceptable

Demographics updated 06/2026

Population
Total population	388
Population density	862 / sq mi
State FIPS	39
County FIPS	061

Geography
Land area	0.45 sq mi
Water area	0.00 sq mi
Latitude	39.0969
Longitude	-84.6468
Timezone	Eastern (ET)
Area code	513

Total population by age

Gender

Race & ethnicity

Demographics & statistics

388

Population

862

People per sq mi

74.9

Median age

$61,477

Median household income

$18,686

Per capita income

Median home value

$925

Median monthly rent

0.0%

Home ownership

47.0%

Poverty rate

0.0%

Unemployment

Housing units

37.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

15–19

20–24

25–34

35–44

45–54

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	14	3.6%
18 and over	374	96.4%
65 and over	216	55.7%
Median age	74.9 years

Race & ethnicity

White 85.8%

Black or African American 10.3%

Asian 3.9%

Group	Count	%
White	333	85.8%
Black or African American	40	10.3%
Asian	15	3.9%

Household income

$15k–$25k 26.5%

$25k–$35k 10.2%

$50k–$75k 53.1%

$75k–$100k 10.2%

Range	% of households
$15k–$25k	26.5%
$25k–$35k	10.2%
$50k–$75k	53.1%
$75k–$100k	10.2%
Median income	$61,477

Housing

Home values

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$925
Owner occupied	0.0%
Renter occupied	100.0%
Vacant	0.0%
Single-family detached	0.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	4.1
Avg household size (owned)	0.00

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	0.0%
1980–1989	30.6%
1970–1979	20.4%
1960–1969	36.7%
1950–1959	12.2%
1940–1949	0.0%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	10.2%
2 bedrooms	67.3%
3 bedrooms	22.4%
4 bedrooms	0.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	12.2%
1 vehicle	10.2%
2 vehicles	67.3%
3 or more	10.2%

Heating fuel

Fuel type	%
Electricity	100.0%

Households & families

Household type	Count	%
Married-couple family	15	30.6%
Cohabiting couple	23	46.9%
Male householder, no spouse	0	0.0%
Female householder, no spouse	11	22.4%
Households with children under 18	11	22.4%
Households with seniors (65+)	0	0.0%
Average household size	2.98

Marital status

Status	Male	Female
Never married	64.2%	51.6%
Married	35.8%	9.6%
Separated	0.0%	0.0%
Widowed	0.0%	18.5%
Divorced	0.0%	20.3%

Education

Less than 9th grade 0.0%

Some HS, no diploma 4.2%

HS graduate 27.7%

Some college, no degree 18.7%

Associate's degree 12.5%

Bachelor's degree 16.3%

Graduate / professional 20.8%

Metric	%
HS diploma or higher	95.8%
Bachelor's or higher	37.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	8	61.5%
College / grad school	5	38.5%

Employment

Industry of employment

Education & healthcare 28.1%

Wholesale trade 23.4%

Manufacturing 18.8%

Finance & real estate 11.7%

Arts, food & hospitality 8.6%

Construction 4.7%

Professional & management 4.7%

Occupation

Category	%
Management, business & arts	32.8%
Service	3.9%
Sales & office	16.4%
Natural resources & construction	28.1%
Production & transportation	18.8%

Employment type

Type	%
Private sector	100.0%
Government	0.0%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	47.7%
Carpool	52.3%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	18.6

Poverty

All people 47.0%

Under 18 years 14.3%

18 and over 49.1%

Married-couple families 0.0%

Female-led households 100.0%

Income support

Source	% of households
Social Security	10.2%
Retirement income	0.0%
Supplemental Security	0.0%
Cash public assistance	12.2%
Food stamps / SNAP	12.2%

Health indicators

Condition	%
Obesity	20.3%
High blood pressure	56.9%
High cholesterol	43.1%
Diabetes	18.1%
Heart disease	16.7%
Stroke	8.1%
Asthma	8.5%
Arthritis	59.0%
Kidney disease	7.2%
Pulmonary disease	14.3%
Cancer	22.2%

Behavior / access	%
Smoking	5.9%
Binge drinking	2.1%
No physical activity	38.2%
Less than 7 hrs sleep	24.9%
Depression	15.5%
Fair or poor health	21.7%
Poor mental health	8.4%
Poor physical health	14.8%
No health insurance	6.0%
Visited doctor (checkup)	93.4%
Visited dentist	73.4%
Cholesterol screening	98.7%
Teeth loss	14.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	17	4.5%

Disability	%
Any disability	23.5%
Under 18	0.0%
18–64 years	8.3%
65 and over	59.2%

Health insurance coverage

Type	%
Private insurance	71.7%
Public insurance	43.5%
No insurance	18.7%
Uninsured under 19	60.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	376	96.9%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	388	100.0%
Born in same state	373	96.1%
Born in different state	244	62.9%
Foreign born	15	3.9%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	50	12.9%
Arab	22	5.7%

Ancestry	Count	%
French	14	3.6%

Technology access

Metric	% of households
Computer access	12.6%
Internet access	100.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 45051

What city is ZIP code 45051 in?

ZIP code 45051 is primarily assigned to Mount Saint Joseph, Ohio.

What county is ZIP code 45051 in?

ZIP code 45051 falls within Hamilton County, Ohio.

Does ZIP code 45051 have an older population?

56% of residents in ZIP code 45051 are 65 or older, above the national average of ~17%.

What is the poverty rate in ZIP code 45051?

47% of residents in ZIP code 45051 live below the poverty line, above the national average.

What is the population of ZIP code 45051?

ZIP code 45051 has an estimated population of 388 residents, with a density of 855 people per square mile.

What is the median household income in ZIP code 45051?

The median household income in ZIP code 45051 is $61,477, below the national median of ~$75,000.

What timezone is ZIP code 45051 in?

ZIP code 45051 observes the EST timezone.