45171 ZIP Code — Sardinia, OH

Brown County, Ohio

ZIP code 45171 is located in Sardinia, Ohio, within Brown County. It covers approximately 80.86 square miles and serves a population of 5,762 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 326/937/513/937.

About ZIP code 45171

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $166,600. Owner-occupancy is high at 83%, well above the national average.

Median household income is $62,292. Poverty affects 18% of residents, above the national average. 43% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 43 minutes suggests many residents work outside the immediate area.

College attainment at 16% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (26%) compared to national benchmarks.

Overall, ZIP code 45171 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, high homeownership, and a significant Social Security-dependent population.

5,762

population

80.86

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

45171 ZIP code map

Cities in ZIP code 45171

Below are the cities the US Postal Service accepts for ZIP code 45171. Using any city not on this list may result in mail delivery delays.

City	Status
Sardinia	Acceptable
Sardinia	Preferred

Nearby ZIP codes

45154 Mount Orab (7.5 mi) 45697 Winchester (9 mi) 45121 Georgetown (10.5 mi) 45168 Russellville (11 mi) 45176 Williamsburg (12.6 mi) 45130 Hamersville (12.7 mi) 45106 Bethel (13 mi) 45679 Seaman (13.1 mi) 45118 Fayetteville (13.4 mi) 45142 Lynchburg (13.4 mi) 45167 Ripley (16.2 mi) 45133 Hillsboro (16.6 mi)

Demographics updated 05/2026

Population
Total population	5,762
Population density	71 / sq mi
State FIPS	39
County FIPS	015

Geography
Land area	80.86 sq mi
Water area	0.54 sq mi
Latitude	39.0056
Longitude	-83.8053
Timezone	Eastern (ET)
Area code	326/937/513/937

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	42.3%	44.4%	43.3%
$50k – $100k	35.2%	35.2%	31.4%
$100k – $200k	18.5%	18.1%	20.0%
Over $200k	4.1%	2.3%	5.2%

Demographics & statistics

5,762

Population

People per sq mi

43.1

Median age

$62,292

Median household income

$28,767

Per capita income

$166,600

Median home value

$927

Median monthly rent

82.7%

Home ownership

18.3%

Poverty rate

6.1%

Unemployment

2,410

Housing units

15.9%

Bachelor's or higher

Age distribution

Male Female

148

Under 5

159

5–9

170

187

10–14

201

214

15–19

230

160

20–24

173

286

25–34

308

309

35–44

333

393

45–54

423

201

55–59

217

231

60–64

248

249

65–74

267

120

75–84

130

119

85+

127

← Male

Female →

Age summary

Group	Count	%
Under 18	1,277	22.2%
18 and over	4,485	77.8%
65 and over	1,012	17.6%
Median age	43.1 years

Race & ethnicity

White 96.5%

Black or African American 1.8%

Two or more races 1.6%

American Indian / Alaska Native 0.1%

Group	Count	%
White	5,563	96.5%
Black or African American	103	1.8%
Two or more races	91	1.6%
American Indian / Alaska Native	5	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	42.3%	44.4%	43.3%
$50k – $100k	35.2%	35.2%	31.4%
$100k – $200k	18.5%	18.1%	20.0%
Over $200k	4.1%	2.3%	5.2%

Under $10k 5.1%

$10k–$15k 5.9%

$15k–$25k 8.2%

$25k–$35k 7.7%

$35k–$50k 9.4%

$50k–$75k 23.5%

$75k–$100k 15.0%

$100k–$150k 18.8%

$150k–$200k 4.2%

$200k+ 2.3%

Range	% of households
Under $10k	5.1%
$10k–$15k	5.9%
$15k–$25k	8.2%
$25k–$35k	7.7%
$35k–$50k	9.4%
$50k–$75k	23.5%
$75k–$100k	15.0%
$100k–$150k	18.8%
$150k–$200k	4.2%
$200k+	2.3%
Median income	$62,292

Housing

Home values

Under $50k 9.4%

$50k–$100k 13.7%

$100k–$150k 15.8%

$150k–$200k 26.2%

$200k–$300k 17.5%

$300k–$500k 13.3%

$500k–$1M 3.3%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$166,600
Median rent / month	$927
Owner occupied	82.7%
Renter occupied	17.3%
Vacant	19.8%
Single-family detached	81.5%
Large apartment buildings	0.2%
Mobile homes	17.0%
Median rooms	6.1
Avg household size (owned)	2.48

Year built

Era	%
2020 or later	0.4%
2010–2019	8.5%
2000–2009	11.5%
1990–1999	33.8%
1980–1989	13.0%
1970–1979	11.0%
1960–1969	5.6%
1950–1959	2.9%
1940–1949	3.9%
1939 or earlier	9.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.3%
2 bedrooms	12.4%
3 bedrooms	65.0%
4 bedrooms	19.7%
5+ bedrooms	2.7%

Vehicles per household

Vehicles	% of households
No vehicle	5.1%
1 vehicle	15.3%
2 vehicles	41.0%
3 or more	38.5%

Heating fuel

Fuel type	%
Utility gas	2.8%
Electricity	69.2%
Propane / LP gas	15.0%
Fuel oil	3.4%
Wood	5.0%

Households & families

Household type	Count	%
Married-couple family	1,179	52.5%
Cohabiting couple	153	6.8%
Male householder, no spouse	414	18.4%
Female householder, no spouse	498	22.2%
Households with children under 18	688	30.7%
Households with seniors (65+)	737	32.8%
Average household size	2.56

Marital status

Status	Male	Female
Never married	27.2%	25.7%
Married	54.1%	49.5%
Separated	3.6%	2.0%
Widowed	3.1%	9.0%
Divorced	12.0%	13.8%

Education

Less than 9th grade 1.7%

Some HS, no diploma 7.0%

HS graduate 45.3%

Some college, no degree 18.0%

Associate's degree 12.0%

Bachelor's degree 10.4%

Graduate / professional 5.6%

Metric	%
HS diploma or higher	91.3%
Bachelor's or higher	15.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	44	4.0%
Kindergarten	8	0.7%
Elementary school	593	54.0%
High school	308	28.0%
College / grad school	146	13.3%

Employment

Industry of employment

Education & healthcare 22.4%

Manufacturing 22.3%

Retail trade 12.5%

Construction 9.5%

Professional & management 9.3%

Public administration 5.4%

Arts, food & hospitality 5.0%

Finance & real estate 4.0%

Transportation & utilities 3.8%

Wholesale trade 1.9%

Other services 1.6%

Information 1.3%

Agriculture & mining 0.8%

Occupation

Category	%
Management, business & arts	27.4%
Service	19.0%
Sales & office	12.3%
Natural resources & construction	20.8%
Production & transportation	20.5%

Employment type

Type	%
Private sector	81.0%
Government	17.1%
Self-employed	1.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.4%
Carpool	10.5%
Public transit	0.6%
Walk	0.4%
Work from home	7.6%
Other means	2.5%
Avg commute (minutes)	42.6

Poverty

All people 18.3%

Under 18 years 34.9%

18 and over 13.6%

Married-couple families 8.8%

Female-led households 49.5%

Income support

Source	% of households
Social Security	42.6%
Retirement income	25.3%
Supplemental Security	9.5%
Cash public assistance	3.7%
Food stamps / SNAP	12.1%

Health indicators

Condition	%
Obesity	38.2%
High blood pressure	36.4%
High cholesterol	34.5%
Diabetes	12.0%
Heart disease	8.0%
Stroke	3.6%
Asthma	10.5%
Arthritis	30.9%
Kidney disease	3.2%
Pulmonary disease	10.3%
Cancer	7.0%

Behavior / access	%
Smoking	25.9%
Binge drinking	16.3%
No physical activity	29.2%
Less than 7 hrs sleep	37.4%
Depression	25.1%
Fair or poor health	17.4%
Poor mental health	17.3%
Poor physical health	12.1%
No health insurance	12.8%
Visited doctor (checkup)	76.2%
Visited dentist	57.8%
Cholesterol screening	87.8%
Teeth loss	18.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	484	10.8%

Disability	%
Any disability	17.5%
Under 18	3.6%
18–64 years	16.2%
65 and over	39.3%

Health insurance coverage

Type	%
Private insurance	64.2%
Public insurance	46.0%
No insurance	6.5%
Uninsured under 19	8.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,455	94.7%
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)	5,750	99.8%
Born in same state	5,746	99.7%
Born in different state	4,707	81.7%
Foreign born	4	0.1%
Naturalized citizen	12	0.2%
Not a US citizen	7	58.3%

Ancestry

Ancestry	Count	%
French	651	11.3%
Italian	613	10.6%
Arab	485	8.4%

Ancestry	Count	%
English	138	2.4%
Polish	19	0.3%

Technology access

Metric	% of households
Computer access	38.9%
Internet access	94.9%

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

Frequently asked questions about ZIP code 45171

What city is ZIP code 45171 in?

ZIP code 45171 is primarily assigned to Sardinia, Ohio.

What county is ZIP code 45171 in?

ZIP code 45171 falls within Brown County, Ohio.

What is the poverty rate in ZIP code 45171?

18% of residents in ZIP code 45171 live below the poverty line, above the national average.

Is ZIP code 45171 mostly owner-occupied?

83% of occupied units in ZIP code 45171 are owner-occupied, well above the national average.

Does ZIP code 45171 have a large retiree population?

43% of households in ZIP code 45171 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 45171 have a large veteran population?

11% of civilians in ZIP code 45171 are veterans, above the national average of ~7%.

What timezone is ZIP code 45171 in?

ZIP code 45171 observes the EST timezone.