Violent Crime
302/100K
20% lower than US avg
Bachelor's+
0.0%
100% lower than US avg
Obesity Rate
42.3%
32% higher than US avg
Unemployment
0.0%
100% lower than US avg
How Duncan Compares to the U.S. Average (100% = U.S. avg)
People
Population41
Median Age55.4 yrs
Density52/mi²
Male / Female90% / 10%
Largest GroupWhite 100%
Veterans41.0%
Economy
Per Capita$13,249
Unemployment0.0%
County GDP$1,204M
Housing
Ownership71.4%
Zillow$221,821
Housing Units24
Rent Burden22.2%
Crime
F
Violent302/100K
Property1,260/100K
Health
Obesity42.3%
Smoking16.3%
Depression22.5%
Heart Disease5.4%
Climate
Avg Temp46°F (8°C)
AQI43 (Good)
Rain34.3 in/yr
Sunny Days260/yr
Elevation1,263 ft (385 m)
Education
B+
Bachelor's+0.0%
High School+68.8%
Graduate+0.0%
School Score5.97
Community
2024 VoteR 73% / D 26%
Broadband14.0%
EV Stations8
Libraries7
Is Duncan a Good Place to Live?
Based on current data, Duncan receives an overall livability score of 2.4 out of 5.0, earning a grade of C. Key strengths include low unemployment, low crime rates, abundant sunshine, high health insurance coverage. Areas to be aware of include high obesity rates. Duncan has some notable strengths but also faces challenges that prospective residents should consider.
Economy & Jobs
The job market is very strong with unemployment at just 0.0%.
Safety & Crime
Violent crime in Duncan is below the national average at 302 per 100,000 residents (U.S. avg: 380). Property crime occurs at a rate of 1,260 per 100,000, 36% below the national average.
Education
0.0% of residents hold a bachelor's degree, below the national average of 33.7%. 68.8% have completed high school. Area schools have an average test score of 6/10.
Climate & Weather
Duncan experiences four distinct seasons with an average temperature of 46°F. Winters average 15°F in January while summers reach 72°F in July. With 260 sunny days per year, residents enjoy well above the national average of sunshine. Annual precipitation totals 34.3 inches. Air quality is rated Good with a median AQI of 43.
Duncan has a population of 41 with a density of 52 people per square mile, spread across 0.8 square miles. The median age is 55.4 years, 42% older than the national median of 38.9. The gender split is 9.8% female and 90.2% male. The city is predominantly White (100%). English is the primary language spoken at home by 100% of residents. 41.0% of the population are veterans, above the national rate of 6.0%. 70.0% of residents have a disability (above the 13.0% national average). 100.0% have health insurance coverage.
Population
55.4yrs
Median Age
42% above US avg
Language Spoken at Home
English Only
100.0%
27% above US avg
Spanish
0.0%
100% below US avg
Per capita income is $13,249 (below the $39,052 national figure). The average weekly wage is $1,152, 20% lower than the U.S. average. The unemployment rate is 0.0% (below the 3.6% US average). The area has 379 business establishments, including 14 restaurants. The cost of living index is 87.8, below the national baseline of 100 / offering relatively affordable living. 0.0% of workers work from home (below the 15.2% national rate).
Income
| |
| Per Capita Income | $13,249 |
| Avg Weekly Wage | $1,152 |
| IRS Avg AGI | $77,191 |
| Gini Index | 0.410 (0=equal, 1=unequal) |
Employment & Poverty
| Unemployment | 0.0% |
| 100% below US avg |
| |
| Establishments (County) | 379 |
| County GDP | $1,204M |
Business (County)
| Restaurants | 14 |
| Healthcare | 25 |
| Retail | 36 |
| Manufacturing | 21 |
Tax & Cost of Living
| Property Tax (IRS) | $3,211 |
| 8% below US avg |
| Cost of Living | 87.80 (100=avg) |
Commute & Transportation
| Drive Alone | 0.0% |
| Public Transit | 0.0% |
| Work from Home | 0.0% |
Zillow estimates the typical home value at $221,821. Fair market rent ranges from $788 for a one-bedroom to $989 for a two-bedroom apartment. 71.4% of housing units are owner-occupied. There are 24 total housing units in the city. The median year a home was built is 1938. The average annual property tax is $3,211. 22.2% of renters spend 30% or more of their income on housing.
Real Estate Market (Redfin)
Rental Costs
HUD Fair Market Rent
| Studio | $738 |
| 1 Bedroom | $788 |
| 2 Bedrooms | $989 |
| 3 Bedrooms | $1,282 |
| 4 Bedrooms | $1,420 |
Ownership & Property
| Homeownership | 71.4% |
| Owner-Occupied | 71.4% |
| Renter-Occupied | 28.6% |
| Housing Units | 24 |
| Median Year Built | 1938 |
Property Tax
| Avg Tax (IRS) | $3,211 |
| 8% below US avg |
In Duncan, 42.3% of adults are obese, above the national rate of 32.1%. 9.5% have diabetes. Heart disease affects 5.4% of residents. 30.6% have high blood pressure. 16.3% are current smokers. 23.3% report binge drinking. 25.9% are physically inactive. 22.5% report depression. 18.0% experience frequent mental distress. The primary care physician ratio is 1:10,663. The dentist ratio is 1:1,526. 70.9% of residents have access to exercise opportunities. The food environment index is 8.8 out of 10.
Health Metrics: Duncan vs U.S. Average (%)
Chronic Conditions
| Obesity | 42.3% |
| 32% above US avg |
| Diabetes | 9.5% |
| Heart Disease | 5.4% |
| High Blood Pressure | 30.6% |
| Asthma | 10.3% |
| COPD | 6.4% |
| Cancer | 7.5% |
| Stroke | 2.9% |
Behaviors & Mental Health
| Smoking | 16.3% |
| 16% above US avg |
| Binge Drinking | 23.3% |
| Physical Inactivity | 25.9% |
| Depression | 22.5% |
| Mental Distress | 18.0% |
| Physical Distress | 12.6% |
| Short Sleep | 34.5% |
Healthcare Access
| Insurance Rate | 100.0% |
| |
| Primary Care | 1:10,663 |
| Dentists | 1:1,526 |
| Mental Health | 1:2,123 |
| Checkup Rate | 75.5% |
| Dental Visits | 68.3% |
| Premature Death | 6,876/100K |
Food & Exercise
| Food Environment | 8.8/10 |
| Exercise Access | 70.9% |
| Healthcare Facilities | 25 |
Duncan has a violent crime rate of 302 per 100,000 residents, 20% below the national average of 380. Property crime stands at 1,260 per 100,000, 36% below the U.S. average. The county recorded 1 fatal traffic crashes. Overall, Duncan receives a safety grade of F.
Crime Rates: Duncan vs U.S. Average (per 100,000)
Violent Crime
| Total Violent | 302.3/100K |
| 20% below US avg |
| |
Property Crime
| Total Property | 1,259.8/100K |
| 36% below US avg |
Traffic Safety
| Fatal Crashes (County/yr) | 1 |
| Avg Accident Severity | 0.0 / 4.0 |
Safety Score
| Safety Grade | F |
| Safety Score | 1.0 / 5.0 |
Duncan experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 15°F in January while summers reach 72°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 34.3 inches. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 1,263 feet.
Temperature
15°F Jan (-9°C)
72°F Jul (22°C)
| Annual Average | 45.5°F |
| 16% below US avg |
| January Average | 15°F (-9°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 1,263 ft (385 m) |
| Area | 0.8 sq mi (2.0 km²) |
| Population Density | 52/sq mi |
| Coordinates | 43.1082°N, 93.7021°W |
| Timezone | America/Chicago |
| County | Hancock County County |
| Nearest Airport | Fort Dodge Regional (FOD)
46 miles away |
Precipitation & Snow
Annual Rainfall
34.3"
10% below US avg
Wettest Month (Jun)
4.53"
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 28.8 / 100 |
| Social Vulnerability | 19.7 / 100 |
| Community Resilience | 80.6 / 100 |
Hazard Breakdown
| Tornado |
Relatively Low |
| Hurricane |
No Rating |
| Earthquake |
Very Low |
| Wildfire |
Very Low |
| Flood |
Very Low |
| Hail |
Relatively Low |
| Strong Wind |
Relatively Low |
| Heat Wave |
Very Low |
| Winter Weather |
Relatively Moderate |
| Lightning |
Very Low |
| Ice Storm |
Very Low |
| Drought |
Relatively High |
| Cold Wave |
Relatively Moderate |
| Landslide |
Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
2 earthquakes (M2.5+) within 150 km since 1990.
Strongest: M2.8. Most recent: M2.7 on Jun 30, 2021.
| Apr 25, 2017 |
Near Mankato, Minnesota |
M2.8 |
123 km |
| Jun 30, 2021 |
4 km E of Rembrandt, Iowa |
M2.7 |
118 km |
Source: USGS (M2.5+, 1990–2025)
Tornado History
599 tornadoes (EF0+) within 100 km since 1950.
Strongest: EF5. Total: 54 fatalities, 1,003 injuries.
| Date |
Rating |
Distance |
Fatalities |
| May 25, 2008 |
EF5 |
91 km |
9 |
| May 15, 1968 |
EF5 |
61 km |
13 |
| Oct 14, 1966 |
EF5 |
35 km |
6 |
| Jun 17, 2010 |
EF4 |
52 km |
1 |
| May 24, 1989 |
EF4 |
98 km |
0 |
| Jun 28, 1979 |
EF4 |
91 km |
3 |
| May 4, 1977 |
EF4 |
74 km |
0 |
| Jun 8, 1967 |
EF4 |
76 km |
0 |
| Apr 30, 1967 |
EF4 |
56 km |
5 |
| Apr 30, 1967 |
EF4 |
78 km |
6 |
| Apr 30, 1967 |
EF4 |
48 km |
0 |
| Apr 30, 1967 |
EF4 |
57 km |
0 |
| May 5, 1965 |
EF4 |
74 km |
0 |
| Aug 29, 1964 |
EF4 |
48 km |
0 |
| Sep 1, 1961 |
EF4 |
68 km |
0 |
| May 10, 1953 |
EF4 |
15 km |
0 |
| Jun 12, 2013 |
EF3 |
25 km |
0 |
| Jun 17, 2010 |
EF3 |
81 km |
0 |
| Jun 17, 2010 |
EF3 |
96 km |
0 |
| Jun 17, 2010 |
EF3 |
70 km |
0 |
Source: NOAA SPC (EF0+, 1950–2024)
Wildfire History
1 wildfire (100+ acres) within 100 km.
Largest: DEWEYS PASTURE (641 ac, 2008).
| Year |
Name |
Acres |
Distance |
| 2008 |
DEWEYS PASTURE |
641 |
99 km |
Source: NIFC/IRWIN (100+ acres)
Monthly Weather
| Month |
Avg Temperature |
Precipitation |
Summary |
| January |
15°F (-9°C) |
0.8 in |
Coldest, Driest |
| February |
20°F (-7°C) |
0.8 in |
|
| March |
32°F (0°C) |
1.9 in |
|
| April |
46°F (8°C) |
3.1 in |
|
| May |
59°F (15°C) |
3.7 in |
|
| June |
69°F (21°C) |
4.5 in |
Wettest |
| July |
72°F (22°C) |
4.3 in |
Warmest |
| August |
70°F (21°C) |
3.8 in |
|
| September |
62°F (17°C) |
3.5 in |
|
| October |
50°F (10°C) |
2.2 in |
|
| November |
34°F (1°C) |
1.5 in |
|
| December |
20°F (-7°C) |
1.2 in |
|
Duncan has a seasonal temperature swing of 57°F / from 15°F in January to 72°F in July. Total annual precipitation is 31.2 inches, with June being the wettest month (4.5") and January the driest (0.8").
Average costs for common services in Duncan. Prices are estimated based on regional cost of living data and may vary by provider.
Healthcare
| Doctor Visit (Primary Care) |
$220 ($132–$351) |
| Specialist Visit |
$307 ($176–$483) |
| Urgent Care Visit |
$176 ($88–$307) |
| Emergency Room Visit |
$1,932 ($702–$4,390) |
| Dental Cleaning |
$114 ($66–$176) |
| Dental Filling |
$220 ($132–$351) |
View all 40 services
Auto Repair
| Oil Change (Conventional) |
$40 ($22–$66) |
| Oil Change (Synthetic) |
$66 ($44–$105) |
| Brake Pad Replacement |
$263 ($132–$439) |
| Tire Rotation |
$35 ($18–$66) |
| New Tires (Set of 4) |
$527 ($351–$878) |
| Battery Replacement |
$176 ($88–$307) |
View all 18 services
Home Services
| Plumber (Per Hour) |
$88 ($53–$132) |
| Electrician (Per Hour) |
$79 ($44–$123) |
| HVAC Repair |
$351 ($132–$702) |
| HVAC System Install |
$6,146 ($3,512–$10,536) |
| Roof Repair |
$878 ($351–$1,756) |
| Roof Replacement |
$7,902 ($4,829–$13,170) |
View all 25 services
Legal
| Divorce (Uncontested) |
$1,317 ($439–$3,073) |
| Divorce (Contested) |
$13,170 ($4,390–$26,340) |
| DUI Defense |
$4,390 ($1,756–$8,780) |
| Bankruptcy (Chapter 7) |
$1,317 ($702–$2,634) |
| Will Preparation |
$439 ($176–$878) |
| Trust Preparation |
$2,195 ($878–$4,390) |
View all 12 services
Personal Care
| Men's Haircut |
$22 ($13–$40) |
| Women's Haircut |
$48 ($26–$88) |
| Hair Coloring (Full) |
$132 ($66–$220) |
| Manicure |
$22 ($13–$40) |
| Pedicure |
$35 ($22–$57) |
| Massage (1 Hour) |
$70 ($44–$114) |
View all 12 services
Food & Grocery
| Gallon of Milk (per gallon) |
$3.60 ($2.63–$4.83) |
| Dozen Eggs (per dozen) |
$3.07 ($2.20–$4.39) |
| Loaf of Bread |
$3.34 ($2.20–$4.83) |
| Chicken Breast (per lb) |
$3.95 ($2.63–$5.71) |
| Ground Beef (per lb) |
$4.83 ($3.51–$6.59) |
| Rice (per lb) |
$0.88 ($0.53–$1.58) |
View all 20 services
Utilities
| Electricity (Monthly) |
$123 ($70–$220) |
| Natural Gas (Monthly) |
$61 ($26–$132) |
| Water/Sewer (Monthly) |
$61 ($35–$105) |
| Internet (Monthly) |
$61 ($35–$88) |
| Cell Phone Plan (Monthly) |
$57 ($26–$88) |
| Cable TV (Monthly) |
$75 ($44–$132) |
View all 8 services
Transportation
| Monthly Parking (Downtown) |
$176 ($66–$439) |
| Car Insurance (Annual) |
$1,756 ($1,054–$3,073) |
| Bus Pass (Monthly) |
$61 ($26–$114) |
| Taxi/Uber (5-Mile Ride) |
$13 ($7.02–$22) |
| Car Registration (Annual) |
$88 ($26–$220) |
| Driver's License Renewal |
$26 ($13–$66) |
View all 8 services
Education & Childcare
| Daycare (Infant, Monthly) |
$1,054 ($527–$2,195) |
| Daycare (Toddler, Monthly) |
$878 ($439–$1,756) |
| After-School Care (Monthly) |
$351 ($176–$615) |
| Tutoring (Per Hour) |
$44 ($22–$88) |
| SAT/ACT Prep Course |
$878 ($351–$2,195) |
| Private School (K-12, Annual) |
$10,975 ($4,390–$26,340) |
View all 8 services
Pets
| Vet Visit (Routine Checkup) |
$53 ($26–$88) |
| Dog Vaccination (Annual) |
$88 ($44–$176) |
| Dog Grooming |
$53 ($26–$88) |
| Pet Boarding (Per Night) |
$35 ($18–$66) |
| Dog Spay/Neuter |
$263 ($132–$439) |
| Cat Spay/Neuter |
$176 ($88–$351) |
View all 9 services
Childcare
| Center-Based (monthly) |
| Infant | $706 |
| Toddler | $609 |
| Preschool | $609 |
| Family Childcare (monthly) |
| Infant | $464 |
| Toddler | $456 |
| Preschool | $456 |
Source: DOL Women's Bureau (2022)
Frequently Asked Questions About Duncan
What is the population of Duncan?
Duncan has a population of 41 residents and is located in Iowa. The population density is 52 people per square mile, spread across 0.8 square miles. The median age of residents is 55.4 years, which is older than the national median of 38.9 years. The population is 9.8% female and 90.2% male.
Is Duncan expensive to live in?
Duncan is more affordable than the national average, with a cost of living index of 87.8 / below the baseline of 100.
Is Duncan safe?
Duncan is safer than the national average, with a violent crime rate of 302 per 100,000 compared to the U.S. rate of 380. Property crime occurs at a rate of 1,260 per 100,000 (below the national average). Overall, Duncan receives a safety grade of F based on combined crime data.
What is the weather like in Duncan?
Duncan has a four-season climate with an average annual temperature of 46°F (8°C). Winter temperatures average 15°F in January, while summers reach an average of 72°F in July. The area receives 260 sunny days per year, well above the national average of 205. Annual rainfall totals 34.3 inches. Air quality is rated Good with a median Air Quality Index (AQI) of 43.
How is the job market in Duncan?
The job market in Duncan is very strong, with unemployment at just 0.0% / well below the national rate of 3.6%. The average weekly wage is $1,152. There are 379 business establishments in the area, including 14 restaurants and food service locations.
How are the schools in Duncan?
Schools in Duncan score 6 out of 10 on standardized testing, near the national average. 0.0% of adults in Duncan hold a bachelor's degree or higher, below the national average of 33.7%. 68.8% have completed high school. 0.0% hold a graduate or professional degree.
How healthy is Duncan?
The obesity rate in Duncan is 42.3% (above the national rate of 32.1%). 16.3% of adults are smokers. 25.9% are physically inactive. 22.5% of residents report depression. 70.9% of residents have access to exercise opportunities. The primary care physician ratio is 1:10,663.
What are the demographics of Duncan?
The racial and ethnic makeup of Duncan is 100% White. 100% of residents speak only English at home. 41.0% of the population are military veterans. 70.0% of residents have a disability. 100.0% have health insurance coverage.
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