| City: | Smithville, Indiana |
| County: | Monroe County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 10:07:36 PM |
| Population: | 34 [See All] |
| Area Codes: | 812 / 930 |
| Classification: | PO Box |
| Coordinates: | 39.0715, -86.5066 |
| Land Area: | 0.012 sq mi |
| Quick Link: |
This adoption rate isn't an accident or inefficiency. It reflects the post office's role as a regional service point for surrounding areas where carrier delivery doesn't reach. Residents from unincorporated portions of Monroe County travel to Smithville for mail service, creating a customer base that extends far beyond the ZIP code's minimal 0.012 square miles of land area. The facility handles 42 business accounts alongside residential boxes, serving scattered farms, home businesses, and properties along rural routes.
The geography here is straightforward. There's one street with carrier delivery: South Strain Ridge Road. That single road accounts for just two ZIP+4 records, while nine separate ZIP+4 codes serve the PO Box operation. This isn't a town with streets radiating from a central square. It's a small post office positioned where rural roads converge, offering the only reliable delivery option for people who live beyond the reach of urban carrier routes.
Smithville sits roughly 4 to 5 miles from several Bloomington neighborhoods, including Sunny Slopes, The Woodlands, and Sycamore Knolls. That proximity to Indiana University's home city creates an interesting dynamic. The median age here is 38.5 years, and census data shows this is overwhelmingly white (22 of 34 residents) with a handful of residents identifying as Black, Asian, or two or more races. The population is tiny, but the postal infrastructure serves a much wider footprint of rural Monroe County residents who need a permanent mailing address that isn't tied to a physical street location.
With only one street in the carrier delivery system, Smithville's postal infrastructure is almost entirely PO Box-focused. The name Strain Ridge reflects the area's hilly southern Indiana topography, where ridgelines and valleys characterize the landscape beyond Bloomington's urban core.
ZIP Code 47458 has 34 residents and 10 households (average 3.40 persons per household). The median age is 38.5 years, about the same as the state (38.2) and about the same as the nation (38.8). The gender split is 55.9% male and 44.1% female, which is higher than the national male share (49.1%), making this a male-majority area. Largest groups are White (64.7%, much lower than the state average of 77.2%) and Hispanic or Latino (8.8%); Hispanic or Latino residents make up 8.8%, which is much lower than the national average (18.7%).
Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship
| 2020 Population: | 34Source: Census DHC |
| 2024 ACS Population Estimate: | 19Source: Census ACS |
| 2026 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 2,833.3 people per sq mile |
| Average Income: | $0Source: Census ACS |
| Households: | 10Source: Census DHC |
| Average House Value: | $666,666,666Source: Census ACS |
| Persons Per Household: | 3.40Source: Census DHC |
| Average Family Size: | 3.30Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 28 | 58 | 49 | 48 | 0 | 19 | 19 |
| Decennial Census | 36 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 34 | -- | -- | -- | -- |
Median Age: 38.5
Male Median Age: 36.8
Female Median Age: 40.5
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 1 | 3 | 1 | 0 | 0 | 1 | 0 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 8 | 0 | 0 |
| Female | 0 | 0 | 0 | 4 | 0 | 3 | 0 | 0 | 1 | 0 | 2 | 1 | 1 | 2 | 0 | 0 | 0 | 1 |
| Total | 1 | 3 | 1 | 4 | 0 | 4 | 0 | 4 | 1 | 0 | 2 | 2 | 1 | 2 | 0 | 8 | 0 | 1 |
| White: | 22 | 81.48% |
| Black: | 1 | 3.70% |
| Hispanic:* | 3 | 11.11% |
| Asian: | 0 | 0% |
| American Indian: | 0 | 0% |
| Hawaiian: | 0 | 0% |
| Other: | 1 | 3.70% |
| Total: | 27 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 19 | 55.88% | 36.8 years |
| Females: | 15 | 44.12% | 40.5 years |
| Total: | 34 | 100% | 38.5 years |
| Native, born in the United States: | 19 | 100.00% |
| Native, born in PR, Island Areas, or abroad: | 0 | 0.00% |
| Foreign born, naturalized U.S. citizen: | 0 | 0.00% |
| Foreign born, not a U.S. citizen: | 0 | 0.00% |
| Total Population: | 19 | 100% |
| Total Native Population: | 19 | 100.00% |
| Total Foreign-born Population: | 0 | 0.00% |
In 2024, the Median household income is $0, which is far less than the state median ($70,051), and above its 2019 pre-pandemic level by $0. Family households earn a median of $0 versus $0 for nonfamily households (a difference of $0). By gender, male median income is $0 and female is $0, which is well under the state female median ($47,719), with a current gap of $0 that has stayed about the same from 2011 to 2024. The labor-force participation rate is 0.0%, which is much lower than the state rate (64.0%).
Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation
| Income Type | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Household Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median Family Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median NonFamily Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median Male Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median Female Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Employed: | 0 | 0.00% |
| Unemployed: | 0 | 0.00% |
| Not In Labor Force: | 19 | 100.00% |
| Total: | 19 | 100% |
| Management, business, science, and arts: | 0 | 0% |
| Service: | 0 | 0% |
| Sales and Office: | 0 | 0% |
| Natural resources, construction, and maintenance: | 0 | 0% |
| Production, transportation, and material moving: | 0 | 0% |
| Total Civilian Employed Population: | 0 | 100% |
In 2024, the median home value is $0, which is considerably lower than the state median ($201,600), and above its 2019 pre-pandemic level by $0. The median gross rent is $0, which is far less than the state median ($1,020), and above its 2019 pre-pandemic level by $0. Insufficient data for owner/renter mix. Insufficient data for vacancy rate.
Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Home Value | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Less than $500: | 0 | 0% |
| $500 to $999: | 0 | 0% |
| $1,000 to $1,499: | 0 | 0% |
| $1,500 to $1,999: | 0 | 0% |
| $2,000 to $2,499: | 0 | 0% |
| $2,500 to $2,999: | 0 | 0% |
| $3,000 or more: | 0 | 0% |
| No Rent: | 0 | 0% |
| Total: | 0 | 100% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Rent | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Owner Occupied (with mortgage): | 0 | 0.00% |
| Owner Occupied (free and clear, no mortgage): | 19 | 100.00% |
| Renter Occupied: | 0 | 0.00% |
| Total Occupied Housing Units: | 19 | 100% |
| Occupied Housing Units: | 19 | 100.00% |
| Vacant Housing Units (not graphed): | 0 | 0.00% |
| Total Housing Units: | 19 | 100% |
| Single-Family Units: | 19 | 100.00% |
| Multi-Family Units: | 0 | 0.00% |
| Other Units: | 0 | 0.00% |
| Total Housing Units: | 19 | 100% |
In 2024, 0.00% of adults (25+) have a bachelor's degree or higher, which is comparable to the national rate (35.00%). High school or higher is 0.00%, which is markedly below the state rate (90.20%). The uninsured rate is 0.00%, which is comparable to the national rate (8.60%). The share of people in poverty is -666,666,666.00%, which is far lower than the national rate (8.70%). Poverty has been broadly stable, which may reflect structural barriers or offsetting gains and setbacks. Insufficient data for school enrollment.
Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment
| Less than 9th grade: | 0 | 0.00% |
| 9th to 12th grade, no diploma: | 19 | 100.00% |
| High school graduate (includes equivalency): | 0 | 0.00% |
| Some college, no degree: | 0 | 0.00% |
| Associate's degree: | 0 | 0.00% |
| Bachelor's degree: | 0 | 0.00% |
| Graduate or professional degree: | 0 | 0.00% |
| Total: | 19 | 100% |
| High school or higher: | 0 | 0.00% |
| Bachelor's degree or higher: | 0 | 0.00% |
| Private Insurance: | 19 | 50.00% |
| Public Insurance: | 19 | 50.00% |
| No Insurance: | 0 | 0.00% |
| Total: | 38 | 100% |
| Has Health Insurance: | 38 | 100.00% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | 0.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.
| Nursery School, Preschool: | 0 | 0% |
| Kindergarten: | 0 | 0% |
| Elementary school (grades 1-8): | 0 | 0% |
| High school (grades 9-12): | 0 | 0% |
| College or graduate school: | 0 | 0% |
| Total: | 0 | 100% |
| Early Childhood: | 0 | 0% |
| K-12 (Primary & Secondary School): | 0 | 0% |
ZIP Code 47458 is designated for PO Box delivery only; business establishment and employment data are not available.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 130Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 47458 is located in Monroe County, Indiana, within the Bloomington, IN Metropolitan Statistical Area (CBSA 14020) and Indiana's 9th Congressional District. This Metro area has a population of 192,714 people, about 0.02% of whom live in ZIP Code 47458. It covers 0.012 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Bloomington, INSource: Census |
| CBSA Number: | 14020Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 192,714Source: Census |
| MSA: | Bloomington, IN MSASource: Census |
| Land Area: | 0.012 sq miSource: Census |
| Water Area: | --Source: Census |
| Congressional District: | 09Source: USPS |
| Congressional Land Area: | 4486.77 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | --Source: Census |
| Place Name: | --Source: Census |
We could not locate which school district 47458 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on March 1, 2026.