56138 ZIP Code — Hills, MN
Rock County, Minnesota
ZIP code 56138 is located in Hills, Minnesota, within Rock County. It covers approximately 32.65 square miles and serves a population of 1,052 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 507.
About ZIP code 56138
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $183,800. Owner-occupancy sits near the national average at 75%.
Median household income is $84,107.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 23 minutes is near the national average.
Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.
1,052
population
32.65
sq mi land
Standard
ZIP type
Central (CT)
timezone
56138 ZIP code map
Cities in ZIP code 56138
Below are the cities the US Postal Service accepts for ZIP code 56138. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Hills | Preferred |
Nearby ZIP codes
56116 Beaver Creek (6 mi)
57068 Valley Springs (7.2 mi)
51241 Larchwood (8.7 mi)
56156 Luverne (9.5 mi)
57005 Brandon (10.8 mi)
57110 Sioux Falls (12.9 mi)
51230 Alvord (13.6 mi)
51246 Rock Rapids (14.1 mi)
57103 Sioux Falls (16.1 mi)
56158 Magnolia (16.1 mi)
57186 Sioux Falls (16.4 mi)
57193 Sioux Falls (16.4 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 1,052 |
| Population density | 32 / sq mi |
| State FIPS | 27 |
| County FIPS | 133 |
| Geography | |
|---|---|
| Land area | 32.65 sq mi |
| Water area | 0.01 sq mi |
| Latitude | 43.5440 |
| Longitude | -96.3728 |
| Timezone | Central (CT) |
| Area code | 507 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 30.5% | 39.2% | 33.6% |
| $50k – $100k | 38.3% | 33.4% | 31.5% |
| $100k – $200k | 25.4% | 22.9% | 26.5% |
| Over $200k | 5.8% | 4.4% | 8.5% |
Demographics & statistics
1,052
Population
32
People per sq mi
42.5
Median age
$84,107
Median household income
$36,087
Per capita income
$183,800
Median home value
$988
Median monthly rent
74.8%
Home ownership
9.2%
Poverty rate
7.0%
Unemployment
345
Housing units
25.9%
Bachelor's or higher
Age distribution
Male
Female
23
Under 5
25
50
5–9
52
30
10–14
31
46
15–19
49
16
20–24
17
40
25–34
43
65
35–44
69
62
45–54
65
66
55–59
69
24
60–64
26
34
65–74
36
20
75–84
21
36
85+
37
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 280 | 26.6% |
| 18 and over | 772 | 73.4% |
| 65 and over | 184 | 17.5% |
| Median age | 42.5 years | |
Race & ethnicity
White
95.6%
Two or more races
2.2%
Black or African American
1.2%
Hispanic or Latino
1%
| Group | Count | % |
|---|---|---|
| White | 1,016 | 95.6% |
| Two or more races | 23 | 2.2% |
| Black or African American | 13 | 1.2% |
| Hispanic or Latino | 11 | 1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 30.5% | 39.2% | 33.6% |
| $50k – $100k | 38.3% | 33.4% | 31.5% |
| $100k – $200k | 25.4% | 22.9% | 26.5% |
| Over $200k | 5.8% | 4.4% | 8.5% |
Under $10k
1.7%
$10k–$15k
4.0%
$15k–$25k
3.7%
$25k–$35k
8.0%
$35k–$50k
11.2%
$50k–$75k
15.7%
$75k–$100k
14.5%
$100k–$150k
26.2%
$150k–$200k
6.0%
$200k+
9.0%
| Range | % of households |
|---|---|
| Under $10k | 1.7% |
| $10k–$15k | 4.0% |
| $15k–$25k | 3.7% |
| $25k–$35k | 8.0% |
| $35k–$50k | 11.2% |
| $50k–$75k | 15.7% |
| $75k–$100k | 14.5% |
| $100k–$150k | 26.2% |
| $150k–$200k | 6.0% |
| $200k+ | 9.0% |
| Median income | $84,107 |
Housing
Home values
Under $50k
7.0%
$50k–$100k
9.3%
$100k–$150k
20.3%
$150k–$200k
21.3%
$200k–$300k
29.7%
$300k–$500k
9.3%
$500k–$1M
3.0%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $183,800 |
| Median rent / month | $988 |
| Owner occupied | 74.8% |
| Renter occupied | 25.2% |
| Vacant | 10.1% |
| Single-family detached | 86.3% |
| Large apartment buildings | 4.0% |
| Mobile homes | 0.0% |
| Median rooms | 6.5 |
| Avg household size (owned) | 2.65 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.7% |
| 2010–2019 | 9.9% |
| 2000–2009 | 10.3% |
| 1990–1999 | 4.9% |
| 1980–1989 | 4.0% |
| 1970–1979 | 13.9% |
| 1960–1969 | 3.4% |
| 1950–1959 | 11.2% |
| 1940–1949 | 4.0% |
| 1939 or earlier | 37.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.9% |
| 1 bedroom | 16.8% |
| 2 bedrooms | 12.3% |
| 3 bedrooms | 31.2% |
| 4 bedrooms | 23.1% |
| 5+ bedrooms | 13.7% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 6.5% |
| 1 vehicle | 8.7% |
| 2 vehicles | 42.4% |
| 3 or more | 42.4% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 4.5% |
| Electricity | 21.2% |
| Propane / LP gas | 54.9% |
| Fuel oil | 8.5% |
| No fuel used | 10.5% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 256 | 63.8% |
| Cohabiting couple | 12 | 3.0% |
| Male householder, no spouse | 56 | 14.0% |
| Female householder, no spouse | 77 | 19.2% |
| Households with children under 18 | 133 | 33.2% |
| Households with seniors (65+) | 112 | 27.9% |
| Average household size | 2.49 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 23.8% | 20.9% |
| Married | 58.8% | 59.4% |
| Separated | 1.0% | 0.5% |
| Widowed | 5.5% | 10.2% |
| Divorced | 11.0% | 9.0% |
Education
Less than 9th grade
5.2%
Some HS, no diploma
2.0%
HS graduate
37.4%
Some college, no degree
16.5%
Associate's degree
12.9%
Bachelor's degree
21.5%
Graduate / professional
4.5%
| Metric | % |
|---|---|
| HS diploma or higher | 92.8% |
| Bachelor's or higher | 25.9% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 9 | 4.2% |
| Kindergarten | 11 | 5.2% |
| Elementary school | 97 | 45.8% |
| High school | 71 | 33.5% |
| College / grad school | 24 | 11.3% |
Employment
Industry of employment
Education & healthcare
31.7%
Agriculture & mining
13.2%
Retail trade
8.9%
Other services
7.9%
Manufacturing
7.4%
Finance & real estate
7.2%
Wholesale trade
5.6%
Professional & management
5.4%
Arts, food & hospitality
4.6%
Construction
3.1%
Transportation & utilities
3.1%
Public administration
1.9%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 40.4% |
| Service | 19.5% |
| Sales & office | 11.4% |
| Natural resources & construction | 10.6% |
| Production & transportation | 18.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 79.7% |
| Government | 10.4% |
| Self-employed | 9.9% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 92.4% |
| Carpool | 0.6% |
| Public transit | 0.0% |
| Walk | 2.4% |
| Work from home | 4.6% |
| Other means | 0.0% |
| Avg commute (minutes) | 23.4 |
Poverty
All people
9.2%
Under 18 years
10.4%
18 and over
8.8%
Married-couple families
3.9%
Female-led households
26.7%
Income support
| Source | % of households |
|---|---|
| Social Security | 25.7% |
| Retirement income | 14.2% |
| Supplemental Security | 3.5% |
| Cash public assistance | 1.7% |
| Food stamps / SNAP | 6.2% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 33.0% |
| High blood pressure | 34.0% |
| High cholesterol | 32.5% |
| Diabetes | 10.6% |
| Heart disease | 8.2% |
| Stroke | 3.9% |
| Asthma | 8.9% |
| Arthritis | 27.4% |
| Kidney disease | 3.5% |
| Pulmonary disease | 7.0% |
| Cancer | 8.7% |
| Behavior / access | % |
|---|---|
| Smoking | 18.2% |
| Binge drinking | 18.0% |
| No physical activity | 24.3% |
| Less than 7 hrs sleep | 27.8% |
| Depression | 21.8% |
| Fair or poor health | 14.3% |
| Poor mental health | 13.1% |
| Poor physical health | 10.7% |
| No health insurance | 11.6% |
| Visited doctor (checkup) | 72.5% |
| Visited dentist | 64.6% |
| Cholesterol screening | 89.6% |
| Teeth loss | 13.7% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 46 | 6.0% |
| Disability | % |
|---|---|
| Any disability | 12.6% |
| Under 18 | 12.1% |
| 18–64 years | 7.9% |
| 65 and over | 33.3% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 78.1% |
| Public insurance | 31.2% |
| No insurance | 6.1% |
| Uninsured under 19 | 2.3% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 1,004 | 95.4% |
| Spanish | 2 | 0.2% |
| Other Indo-European | 0 | 0.0% |
| Asian & Pacific Islander | 2 | 0.2% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 1,040 | 98.9% |
| Born in same state | 1,025 | 97.4% |
| Born in different state | 414 | 39.4% |
| Foreign born | 15 | 1.4% |
| Naturalized citizen | 12 | 1.1% |
| Not a US citizen | 3 | 25.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| English | 307 | 29.2% |
| Polish | 181 | 17.2% |
| Dutch | 33 | 3.1% |
| Italian | 29 | 2.8% |
| Ancestry | Count | % |
|---|---|---|
| Arab | 22 | 2.1% |
| German | 5 | 0.5% |
| French | 4 | 0.4% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 38.1% |
| Internet access | 92.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 56138
What city is ZIP code 56138 in?
ZIP code 56138 is primarily assigned to Hills, Minnesota.
What county is ZIP code 56138 in?
ZIP code 56138 falls within Rock County, Minnesota.
What is the typical home value in ZIP code 56138?
The median home value in ZIP code 56138 is $183,800.
What is the population of ZIP code 56138?
ZIP code 56138 has an estimated population of 1,052 residents, with a density of 32 people per square mile.
What is the median household income in ZIP code 56138?
The median household income in ZIP code 56138 is $84,107, above the national median of ~$75,000.
What timezone is ZIP code 56138 in?
ZIP code 56138 observes the CST timezone.