Zip code 45312: Casstown, Ohio

Q: What city is zip code 45312?

45312 is assigned to Casstown, Ohio. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 45312 in?

45312 is mostly in Miami County, but it extends into 1 other county.

Q: What is the population of 45312?

About 1,086 people live in 45312, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 45312?

The median household income in 45312 is $91,842.

Q: What zip codes are near 45312?

The closest zip codes to 45312 are 45389, 45373, 45326, 45374, 45344.

Residential delivery areaMiami CountyEastern Time

Population

1,086

Median household income

$92K

U.S. $81K

Median home value

$279K

U.S. $333K

Median rent

$1,156/mo

U.S. $1,413

Median age

52.7

U.S. 38.9

Land area

27 sq mi

40 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 45312

45312 is a rural zip code in Casstown, Ohio (Miami County), covering 27 sq mi of land. About 1,086 people live here, or 40 per square mile. The median resident is 52.7 years old, compared with 38.9 nationally.

The median household earns $91,842 a year, close to the national median of $80,734. 2.1% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $279,400, or 3.0 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 96% of occupied homes are lived in by their owners, and renters pay a median of $1,156 a month.

23% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 21.4 minutes each way, and 6% of workers work from home. The most common jobs among working residents are in office and administrative support; cleaning and personal care; and construction and repair. 25% of them are self-employed (U.S.: 10%).

How 45312 compares

Sorted from highest to lowest national percentile

Homeownership rate95.7%
99th
StrengthU.S. 65.2% · OH 67.2%54th of 1,159 in OH
Veterans18.9%
99th
U.S. 6.2% · OH 6.6%20th of 1,168 in OH
Self-employed workers24.6%
99th
U.S. 10% · OH 8.1%20th of 1,163 in OH
Residents 65 and older34.8%
98th
U.S. 17.2% · OH 18.3%33rd of 1,168 in OH
Median age52.7
97th
U.S. 38.9 · OH 39.777th of 1,166 in OH
Broadband access96.5%
89th
StrengthU.S. 91% · OH 90.1%87th of 1,159 in OH
Per capita income$56,478
81st
StrengthU.S. $44,673 · OH $40,55281st of 1,165 in OH
Income inequality (Gini)0.473
78th
U.S. 0.483 · OH 0.467181st of 1,156 in OH
Median household income$91,842
64th
U.S. $80,734 · OH $71,389188th of 1,122 in OH
Government workers15.4%
62nd
U.S. 14.5% · OH 12.9%292nd of 1,163 in OH
Tech workers3.1%
54th
U.S. 3.8% · OH 3.2%283rd of 1,163 in OH
Housing vacancy6.6%
49th
U.S. 10.1% · OH 8.1%638th of 1,160 in OH
Median home value$279,400
40th
U.S. $332,700 · OH $214,800165th of 1,114 in OH
Uninsured rate5.2%
35th
U.S. 8.4% · OH 6.4%616th of 1,165 in OH
Median gross rent$1,156
33rd
U.S. $1,413 · OH $1,034163rd of 1,007 in OH
Bachelor's degree or higher22.6%
28th
U.S. 35.7% · OH 31.5%469th of 1,166 in OH
Average commute21.4 min
20th
StrengthU.S. 26.4 min · OH 23.4 min849th of 1,121 in OH
Residents under 1818.1%
19th
U.S. 22% · OH 22%911th of 1,168 in OH
Work from home6.3%
13th
U.S. 15.1% · OH 13%748th of 1,163 in OH
Median earnings per worker$36,833
13th
WeaknessU.S. $49,666 · OH $47,692955th of 1,153 in OH
Unemployment rate2.4%
9th
StrengthU.S. 5.2% · OH 4.8%808th of 1,164 in OH
Population density40/sq mi
6th
U.S. 95/sq mi · OH 289/sq mi1,044th of 1,168 in OH
Rent-burdened renters28.6%
4th
StrengthU.S. 51.1% · OH 45.9%860th of 1,113 in OH
Diversity index7.6
3rd
U.S. 61.4 · OH 40.6902nd of 1,168 in OH
Population1,086
1st
U.S. 334,922,499 · OH 11,810,293914th of 1,168 in OH
Poverty rate2.1%
1st
StrengthU.S. 12.5% · OH 13.3%1,106th of 1,159 in OH
Foreign-born residents0%
1st
U.S. 14.1% · OH 5.2%1,048th of 1,168 in OH
Healthcare workers3.5%
1st
U.S. 9.7% · OH 10.5%1,075th of 1,163 in OH

Measure	45312	Miami	OH	U.S.	National percentile	Rank in OH
Homeownership rateStrength	95.7%	73.4%	67.2%	65.2%	99th	54th of 1,159
Veterans	18.9%	7%	6.6%	6.2%	99th	20th of 1,168
Self-employed workers	24.6%	8.5%	8.1%	10%	99th	20th of 1,163
Residents 65 and older	34.8%	19.4%	18.3%	17.2%	98th	33rd of 1,168
Median age	52.7	41.3	39.7	38.9	97th	77th of 1,166
Broadband accessStrength	96.5%	92.3%	90.1%	91%	89th	87th of 1,159
Per capita incomeStrength	$56,478	$40,297	$40,552	$44,673	81st	81st of 1,165
Income inequality (Gini)	0.473	0.415	0.467	0.483	78th	181st of 1,156
Median household income	$91,842	$76,817	$71,389	$80,734	64th	188th of 1,122
Government workers	15.4%	13.1%	12.9%	14.5%	62nd	292nd of 1,163
Tech workers	3.1%	2.8%	3.2%	3.8%	54th	283rd of 1,163
Housing vacancy	6.6%	4.9%	8.1%	10.1%	49th	638th of 1,160
Median home value	$279,400	$229,100	$214,800	$332,700	40th	165th of 1,114
Uninsured rate	5.2%	4.7%	6.4%	8.4%	35th	616th of 1,165
Median gross rent	$1,156	$966	$1,034	$1,413	33rd	163rd of 1,007
Bachelor's degree or higher	22.6%	26.8%	31.5%	35.7%	28th	469th of 1,166
Average commuteStrength	21.4 min	22 min	23.4 min	26.4 min	20th	849th of 1,121
Residents under 18	18.1%	22.9%	22%	22%	19th	911th of 1,168
Work from home	6.3%	10.2%	13%	15.1%	13th	748th of 1,163
Median earnings per workerWeakness	$36,833	$49,546	$47,692	$49,666	13th	955th of 1,153
Unemployment rateStrength	2.4%	3.1%	4.8%	5.2%	9th	808th of 1,164
Population density	40/sq mi	271/sq mi	289/sq mi	95/sq mi	6th	1,044th of 1,168
Rent-burdened rentersStrength	28.6%	43%	45.9%	51.1%	4th	860th of 1,113
Diversity index	7.6	18.9	40.6	61.4	3rd	902nd of 1,168
Population	1,086	110,296	11,810,293	334,922,499	1st	914th of 1,168
Poverty rateStrength	2.1%	9.4%	13.3%	12.5%	1st	1,106th of 1,159
Foreign-born residents	0%	2.8%	5.2%	14.1%	1st	1,048th of 1,168
Healthcare workers	3.5%	9.3%	10.5%	9.7%	1st	1,075th of 1,163

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

17%

5–17

18–24

25–34

13%

35–44

45–54

14%

55–64

24%

65–74

11%

75+

Median age

52.7

Under 18

18.1%

65 and over

34.8%

Race and ethnicity

White96%
Black0%
Hispanic0%
Asian0%
Native American0%
Pacific Islander0%
Other0%
Multiracial4%

Diversity index

7.6

U.S. 61.4

Foreign-born

U.S. 14.1%

Born in state

79.7%

Language spoken at home (households)

English only

98%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 484
Average household size: 2.2
Family households: 72.3%
Married couples: 61.2%
Living alone: 25.4%
Veterans (of adults): 18.9%
Male / female: 54% / 46%

Income and poverty

Household income distribution

<$25k

14%

$25–50k

21%

$50–75k

$75–100k

10%

$100–150k

30%

$150–200k

$200k+

13%

Median household income

45312

$91,842

Miami Co.

$76,817

Ohio

$71,389

United States

$80,734

Per capita income

$56,478

U.S. $44,673

Poverty rate

2.1%

U.S. 12.5%

Households earning $150K+

16.9%

U.S. 23%

Income inequality (Gini)

0.473

U.S. 0.483

Housing

Median home value

45312

$279,400

Miami Co.

$229,100

Ohio

$214,800

United States

$332,700

Median gross rent

45312

$1,156

Miami Co.

$966

Ohio

$1,034

United States

$1,413

Types of housing

Single-family

99%

2–4 units

0.8%

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 518
Owner-occupied: 95.7%
Vacant: 6.6%
Median year built: 1970
Median rooms: 6.5
Renters paying 30%+ of income: 28.6%
Renters paying 50%+ of income: 0%
Home value to income: 3.0× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

88%

Carpooled

Transit

Walked

Bicycle

Worked from home

Other

Commute time (one way)

<10 min

12%

10–19

29%

20–29

24%

30–44

33%

45–59

60+

0.2%

Average commute

21.4 min

U.S. 26.4 min

Unemployment

2.4%

U.S. 5.2%

In labor force

60.2%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Office and admin

19%

Cleaning and personal care

14%

Construction and repair

13%

Sales

Business and finance

Engineering and science

Management

Transportation and moving

Production

Healthcare

Food service

Computer and math

Education

Police and fire

Legal and social services

0.6%

Arts, media and sports

Farming, fishing and forestry

Industries

Retail

28%

Manufacturing

13%

Other services

12%

Finance, insurance and real estate

Public administration

Education

Health care and social assistance

Construction

Transportation, warehousing and utilities

Restaurants and hotels

Professional and technical services

Admin, support and management

Arts and recreation

Wholesale

Information

Agriculture and mining

Median earnings per worker

$36,833

U.S. $49,666

Self-employed

24.6%

U.S. 10%

Government workers

15.4%

U.S. 14.5%

Nonprofit workers

4.6%

U.S. 8.8%

Median earnings by type of work

Type of work	45312	U.S.
Management, business, science and arts	$37,159	$74,888
Service	$28,902	$26,804
Sales and office	$26,563	$40,476
Construction and maintenance	$73,819	$49,199
Production and transportation	$49,773	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

35%

Some college

32%

Associate's

Bachelor's

20%

Graduate

High school graduate or higher: 95.7%
Bachelor's degree or higher: 22.6%
Graduate or professional degree: 2.9%
Households with broadband: 96.5%
Cable, fiber or DSL: 53.3%
No internet access: 3.3%
Without health insurance: 5.2%
Limited-English households: 0%

Geography

City (USPS): Casstown
State: Ohio
County: Miami County
Center point: 40.0522° N, 84.0930° W
Land area: 27 sq mi
Water area: under 0.1 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

45312 spans 2 counties

Miami County98% of land
Champaign County2% of land

Zip codes near 45312

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
45389	Christiansburg, OH	3.6 mi	708	$62,250	$128,100
45373	Troy, OH	5.6 mi	37,565	$75,742	$253,400
45326	Fletcher, OH	6.1 mi	1,446	$93,472	$154,400
45374	Troy, OH · PO box	7.3 mi	—	—	—
45344	New Carlisle, OH	8.1 mi	16,979	$78,471	$174,600
43072	Saint Paris, OH	8.5 mi	5,253	$76,375	$188,100
45371	Tipp City, OH	8.6 mi	22,865	$93,599	$302,300
45349	North Hampton, OH	9.2 mi	234	$76,750	$173,600
45317	Conover, OH	9.6 mi	1,187	$61,429	$305,300
45356	Piqua, OH	11 mi	25,237	$69,188	$156,400
45502	Springfield, OH	11 mi	17,692	$88,988	$243,600
45377	Vandalia, OH	12 mi	14,888	$77,398	$202,800

Zip codes like 45312 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 45312

What city is zip code 45312?

45312 is assigned to Casstown, Ohio. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 45312 in?

45312 is mostly in Miami County, but it extends into 1 other county.

What is the population of 45312?

About 1,086 people live in 45312, according to the Census Bureau's American Community Survey.

What time zone is 45312 in?

45312 is in Eastern Time.

What is the median household income in 45312?

The median household income in 45312 is $91,842.

What zip codes are near 45312?

The closest zip codes to 45312 are 45389, 45373, 45326, 45374, 45344.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 45312, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.