ZIP Code 52308 in Millersburg, IA

Data Last Updated: October 1, 2025
City:Millersburg, Iowa
County:Iowa County
Timezone:Central (GMT -06:00)
Local Time:7:30:45 PM
Population:135 [See All]
Area Code:319
Classification:PO Box
Coordinates:41.5917, -92.1673
Land Area:0.122 sq mi
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https://www.zip-codes.com/zip-code/52308/zip-code-52308.asp

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Population & Demographics


ZIP Code 52308 has 135 residents and 63 households (average 2.14 persons per household). The median age is 48.5 years, significantly older than the state (38.6) and significantly older than the nation (38.8). The gender split is 45.9% male and 54.1% female, which is lower than the state male share (49.7%), making this a female-majority area. Largest groups are White (90.4%, much higher than the national average of 61.6%) and Hispanic or Latino (10.4%); Hispanic or Latino residents make up 10.4%, which is much lower than the national average (18.7%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:135Source: Census DHC
2023 ACS Population Estimate:136Source: Census ACS
2025 ZC Population Estimate:0Source: ZIP-Codes.com
Population Density:1,106.6 people per sq mile
Average Income:$75,357Source: Census ACS
Households:63Source: Census DHC
Average House Value:$107,100Source: Census ACS
Persons Per Household:2.14Source: Census DHC
Average Family Size:2.91Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--170138148161179133165143135168162155136
Decennial Census132------------------135------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 48.5

Male Median Age: 55

Female Median Age: 39.8

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male1231263226387121003
Female6651273731512343401
Total7882413695782010164404
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:12283.56%
Black:00%
Hispanic:*149.59%
Asian:00%
American Indian:00%
Hawaiian:00%
Other:106.85%
Total:146100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:6245.93%55.0 years
Females:7354.07%39.8 years
Total:135100%48.5 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:136100.00%
Native, born in PR, Island Areas, or abroad:00.00%
Foreign born, naturalized U.S. citizen:00.00%
Foreign born, not a U.S. citizen:00.00%
Total Population:136100%
Total Native Population:136100.00%
Total Foreign-born Population:00.00%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $75,357, which is falls short of the national median ($78,538), is up $43,968 (140.1%) since 2011 and above its 2019 pre-pandemic level by $12,321. Family households earn a median of $93,750 versus $67,250 for nonfamily households (a difference of $26,500). By gender, male median income is $63,750 and female is $50,000, which is lower than the national female median ($53,445), with a current gap of $13,750 that has widened from 2011 to 2023. The labor-force participation rate is 45.7%, which is far less than the state rate (66.5%). The unemployment rate is 0.0%, which is markedly below the national rate (5.2%). The largest occupation group is Management (37.7%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$31,389$34,792$48,125$48,409$53,365$60,625$60,417$61,875$63,036$80,250$69,167$74,531$75,357
Median Family Income$32,321$34,875$48,750$60,000$53,750$71,250$58,750$61,250$54,632$80,875$81,250$90,893$93,750
Median NonFamily Income$26,250$34,375$45,833$25,000$0$0$0$25,833$45,000$0$66,250$0$67,250
Median Male Income$27,375$30,313$30,000$30,000$0$43,750$45,781$46,429$46,875$46,250$53,125$59,167$63,750
Median Female Income$25,000$21,250$22,375$26,000$0$31,667$32,143$31,932$32,125$34,375$43,125$48,000$50,000
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:5345.69%
Unemployed:00.00%
Not In Labor Force:6354.31%
Total:116100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:2037.74%
Service:59.43%
Sales and Office:611.32%
Natural resources, construction, and maintenance:713.21%
Production, transportation, and material moving:1528.30%
Total Civilian Employed Population:53100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $107,100, which is well under the national median ($303,400), is up $36,500 (51.70%) since 2011 and above its 2019 pre-pandemic level by $33,100. The median gross rent is $550, which is well under the national median ($1,348), is up $161 (41.39%) since 2011 and above its 2019 pre-pandemic level by $550. Of occupied housing, owners make up 83.72% (31.94% with a mortgage, 68.06% free-and-clear) and renters 16.28% - making this ZIP Code more home ownership than the state and under national rental averages. Insufficient data for vacancy rate.

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$70,600$75,700$75,000$75,300$76,100$73,300$73,500$68,600$74,000$90,900$80,800$98,600$107,100
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:642.86%
$500 to $999:857.14%
$1,000 to $1,499:00.00%
$1,500 to $1,999:00.00%
$2,000 to $2,499:00.00%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:00.00%
Total:14100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$389$575$563$375$275$244$280$275$0$475$425$525$550
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):2326.74%
Owner Occupied (free and clear, no mortgage):4956.98%
Renter Occupied:1416.28%
Total Occupied Housing Units:86100%

Occupied Housing Units:8688.66%
Vacant Housing Units (not graphed):1111.34%
Total Housing Units:97100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:8284.54%
Multi-Family Units:1515.46%
Other Units:00.00%
Total Housing Units:97100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 29.20% of adults (25+) have a bachelor's degree or higher, which is comparable to the national rate (35.00%). High school or higher is 96.50%, which is far higher than the national rate (89.40%). The uninsured rate is 0.00%, which is comparable to the national rate (8.60%). Public coverage is 64.00%, which is far higher than the national rate (36.30%). The share of people in poverty is 3.40%, which is comparable to the national rate (8.70%), down 16.60 percentage points since 2011 and above its 2019 pre-pandemic level by 1.30 percentage points. This points to a pronounced improvement in local conditions - rising incomes, firmer consumer demand, and a stronger tax base. Among residents ages 3+, the largest enrollment group is high school (66.67%). College enrollment is 0.00%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:00.00%
9th to 12th grade, no diploma:43.54%
High school graduate (includes equivalency):4035.40%
Some college, no degree:2421.24%
Associate's degree:1210.62%
Bachelor's degree:2723.89%
Graduate or professional degree:65.31%
Total:113100%
High school or higher:10996.46%
Bachelor's degree or higher:3329.20%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:7746.95%
Public Insurance:8753.05%
No Insurance:00.00%
Total:164100%
Has Health Insurance:164100.00%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty20.0%7.7%8.7%7.1%9.6%6.5%3.1%0.0%2.1%2.7%5.0%2.9%3.4%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

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.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:133.33%
Kindergarten:00.00%
Elementary school (grades 1-8):00.00%
High school (grades 9-12):266.67%
College or graduate school:00.00%
Total:3100%
Early Childhood:133.33%
K-12 (Primary & Secondary School):266.67%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 52308 supports both business and residential activity. According to the Business Census (2023), there are 4 business establishments, employing about 20 people with an annual payroll of $1,136,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:80Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:4Source: CBP
1st Quarter Payroll:$188,000Source: CBP
Annual Payroll:$1,136,000Source: CBP
# of Employees:20Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 52308 is located in Iowa County, Iowa, within the Metropolitan Statistical Area (CBSA ) and Iowa's 1st Congressional District. This area has a population of 0 people, about 0.00% of whom live in ZIP Code 52308. It covers 0.122 sq mi of land and a water area of 0 sq mi.

CBSA Name:--Source: Census
CBSA Number:--Source: Census
CBSA Type:--Source: Census
CBSA Division:--Source: Census
CBSA Population:0Source: Census
MSA:Source: Census
Land Area:0.122 sq miSource: Census
Water Area:--Source: Census
Congressional District:01Source: USPS
Congressional Land Area:12048.84 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:1952230Source: Census
Place Name:Millersburg city; IowaSource: Census

Adjacent & Nearby ZIP Codes


52309 | | 52307

Schools in ZIP Code 52308


We could not locate which school district 52308 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.

English Valleys Jr-Sr High School 765 West Broad Street
North English, IA 52316
District: English Valleys Community School DistrictNearby
English Valleys Elementary School 211 S College St
North English, IA 52316
District: English Valleys Community School DistrictNearby
Mary Welsh Elementary 2383 Raider Drive
Williamsburg, IA 52361
District: Williamsburg Community School DistrictNearby
Williamsburg Jr-Sr High School 810 W Walnut
Williamsburg, IA 52361
District: Williamsburg Community School DistrictNearby
Williamsburg Virtual Academy 810 W. Walnut Street
Williamsburg, IA 52361
District: Williamsburg Community School DistrictNearby
Lutheran Interparish School 804 Ct St
Williamsburg, IA 52361
District: Private SchoolNearby
Hillcrest Academy 1421 540th St Sw
Kalona, IA 52247
District: Private SchoolNearby
Hillcrest Academy 1421 540th St Sw
Kalona, IA 52247
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 52308


Shiloh University 6718 Etiwanda Ave.
Rancho Cucamonga, CA 91739
Type: Post Secondary
Grinnell College 1121 Park Street
Grinnell, IA 50112-1690
Type: Post Secondary
William Penn University 201 Trueblood Ave
Oskaloosa, IA 52577
Type: Post Secondary
University Of Iowa 101 Jessup Hall
Iowa City, IA 52242-1316
Type: Post Secondary
Pci Academy-Iowa City 1550 South 1st Avenue
Iowa City, IA 52240-6083
Type: Post Secondary
Kirkwood Community College 6301 Kirkwood Blvd Sw
Cedar Rapids, IA 52406-2068
Type: Post Secondary

Sources & References


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 October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov