52310 ZIP Code — Monticello, IA

Jones County, Iowa

ZIP code 52310 is located in Monticello, Iowa, within Jones County. It covers approximately 145.37 square miles and serves a population of 6,286 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 319.

About ZIP code 52310

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 $170,000. Owner-occupancy is high at 78%, well above the national average.

Median household income is $70,028. The poverty rate of 4% is below the national average. 32% 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. The average commute of 19 minutes is near the national average.

Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.

Overall, ZIP code 52310 reflects a community defined by high homeownership and a significant Social Security-dependent population.

6,286

population

145.37

sq mi land

Standard

ZIP type

Central (CT)

timezone

52310 ZIP code map

Cities in ZIP code 52310

Below are the cities the US Postal Service accepts for ZIP code 52310. Using any city not on this list may result in mail delivery delays.

City	Status
Monticello	Acceptable
Monticello	Preferred

Nearby ZIP codes

52205 Anamosa (8.5 mi) 52212 Center Junction (9.7 mi) 52033 Cascade (9.9 mi) 52237 Hopkinton (10.7 mi) 52078 Worthington (12.2 mi) 52321 Onslow (12.6 mi) 52362 Wyoming (14 mi) 52320 Olin (14.8 mi) 52223 Delhi (14.9 mi) 52305 Martelle (16.1 mi) 52336 Springville (17 mi) 52214 Central City (17.2 mi)

Demographics updated 05/2026

Population
Total population	6,286
Population density	43 / sq mi
State FIPS	19
County FIPS	105

Geography
Land area	145.37 sq mi
Water area	0.09 sq mi
Latitude	42.2206
Longitude	-91.1882
Timezone	Central (CT)
Area code	319

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.5%	43.4%	40.1%
$50k – $100k	33.7%	35.7%	33.4%
$100k – $200k	20.6%	16.9%	21.5%
Over $200k	6.2%	4.0%	5.0%

Demographics & statistics

6,286

Population

People per sq mi

45.4

Median age

$70,028

Median household income

$39,287

Per capita income

$170,000

Median home value

$671

Median monthly rent

77.8%

Home ownership

4.2%

Poverty rate

1.3%

Unemployment

2,337

Housing units

27.5%

Bachelor's or higher

Age distribution

Male Female

239

Under 5

234

161

5–9

158

153

10–14

150

155

15–19

152

162

20–24

158

372

25–34

366

330

35–44

324

409

45–54

402

275

55–59

270

236

60–64

231

379

65–74

372

204

75–84

201

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,338	21.3%
18 and over	4,948	78.7%
65 and over	1,349	21.5%
Median age	45.4 years

Race & ethnicity

White 92.9%

Two or more races 4.5%

Black or African American 1.5%

Hispanic or Latino 0.7%

American Indian / Alaska Native 0.3%

Asian 0.2%

Group	Count	%
White	5,882	92.9%
Two or more races	282	4.5%
Black or African American	94	1.5%
Hispanic or Latino	47	0.7%
American Indian / Alaska Native	17	0.3%
Asian	11	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.5%	43.4%	40.1%
$50k – $100k	33.7%	35.7%	33.4%
$100k – $200k	20.6%	16.9%	21.5%
Over $200k	6.2%	4.0%	5.0%

Under $10k 3.3%

$10k–$15k 0.3%

$15k–$25k 7.1%

$25k–$35k 8.3%

$35k–$50k 12.3%

$50k–$75k 21.1%

$75k–$100k 14.8%

$100k–$150k 20.5%

$150k–$200k 7.3%

$200k+ 5.0%

Range	% of households
Under $10k	3.3%
$10k–$15k	0.3%
$15k–$25k	7.1%
$25k–$35k	8.3%
$35k–$50k	12.3%
$50k–$75k	21.1%
$75k–$100k	14.8%
$100k–$150k	20.5%
$150k–$200k	7.3%
$200k+	5.0%
Median income	$70,028

Housing

Home values

Under $50k 2.7%

$50k–$100k 11.4%

$100k–$150k 22.9%

$150k–$200k 24.5%

$200k–$300k 22.9%

$300k–$500k 13.8%

$500k–$1M 1.8%

Housing overview

Metric	Value
Median home value	$170,000
Median rent / month	$671
Owner occupied	77.8%
Renter occupied	22.2%
Vacant	8.4%
Single-family detached	77.8%
Large apartment buildings	2.5%
Mobile homes	2.0%
Median rooms	6.5
Avg household size (owned)	2.47

Year built

Era	%
2020 or later	0.0%
2010–2019	5.4%
2000–2009	9.2%
1990–1999	13.5%
1980–1989	4.5%
1970–1979	15.5%
1960–1969	10.6%
1950–1959	10.2%
1940–1949	3.6%
1939 or earlier	27.4%

Bedrooms

Size	% of units
No bedroom (studio)	1.1%
1 bedroom	15.7%
2 bedrooms	18.4%
3 bedrooms	36.1%
4 bedrooms	21.7%
5+ bedrooms	7.0%

Vehicles per household

Vehicles	% of households
No vehicle	5.9%
1 vehicle	28.1%
2 vehicles	37.0%
3 or more	29.0%

Heating fuel

Fuel type	%
Utility gas	49.9%
Electricity	18.9%
Propane / LP gas	26.1%
Fuel oil	0.2%
Wood	2.3%
Solar	0.9%

Households & families

Household type	Count	%
Married-couple family	1,465	54.5%
Cohabiting couple	195	7.3%
Male householder, no spouse	588	21.9%
Female householder, no spouse	439	16.3%
Households with children under 18	614	22.9%
Households with seniors (65+)	843	31.4%
Average household size	2.28

Marital status

Status	Male	Female
Never married	30.6%	20.0%
Married	55.7%	60.7%
Separated	0.8%	0.7%
Widowed	2.2%	10.9%
Divorced	10.8%	7.7%

Education

Less than 9th grade 0.7%

Some HS, no diploma 3.5%

HS graduate 33.9%

Some college, no degree 18.7%

Associate's degree 15.7%

Bachelor's degree 19.6%

Graduate / professional 7.9%

Metric	%
HS diploma or higher	95.8%
Bachelor's or higher	27.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	134	10.9%
Kindergarten	117	9.5%
Elementary school	505	41.0%
High school	315	25.5%
College / grad school	162	13.1%

Employment

Industry of employment

Education & healthcare 26.6%

Manufacturing 18.7%

Retail trade 10.8%

Construction 10.6%

Other services 8.2%

Agriculture & mining 6.6%

Finance & real estate 3.9%

Transportation & utilities 3.8%

Professional & management 3.7%

Arts, food & hospitality 2.6%

Information 2.1%

Public administration 1.7%

Wholesale trade 0.7%

Occupation

Category	%
Management, business & arts	38.0%
Service	14.9%
Sales & office	18.1%
Natural resources & construction	9.6%
Production & transportation	19.3%

Employment type

Type	%
Private sector	76.5%
Government	13.3%
Self-employed	9.9%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	78.8%
Carpool	6.6%
Public transit	0.5%
Walk	5.4%
Work from home	8.2%
Other means	0.6%
Avg commute (minutes)	19.2

Poverty

All people 4.2%

Under 18 years 0.0%

18 and over 5.4%

Married-couple families 1.0%

Female-led households 7.1%

Income support

Source	% of households
Social Security	32.0%
Retirement income	19.6%
Supplemental Security	2.6%
Cash public assistance	4.3%
Food stamps / SNAP	8.1%

Health indicators

Condition	%
Obesity	35.9%
High blood pressure	34.4%
High cholesterol	33.9%
Diabetes	10.3%
Heart disease	7.0%
Stroke	3.2%
Asthma	9.1%
Arthritis	25.6%
Kidney disease	3.0%
Pulmonary disease	6.9%
Cancer	7.7%

Behavior / access	%
Smoking	16.9%
Binge drinking	20.5%
No physical activity	23.8%
Less than 7 hrs sleep	29.1%
Depression	17.3%
Fair or poor health	12.3%
Poor mental health	12.7%
Poor physical health	9.6%
No health insurance	8.8%
Visited doctor (checkup)	75.2%
Visited dentist	70.9%
Cholesterol screening	89.5%
Teeth loss	12.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	437	8.8%

Disability	%
Any disability	13.6%
Under 18	3.9%
18–64 years	8.9%
65 and over	37.5%

Health insurance coverage

Type	%
Private insurance	80.7%
Public insurance	37.2%
No insurance	2.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,813	92.5%
Spanish	22	0.4%
Other Indo-European	22	0.4%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,269	99.7%
Born in same state	6,217	98.9%
Born in different state	5,342	85.0%
Foreign born	52	0.8%
Naturalized citizen	17	0.3%
Not a US citizen	17	100.0%

Ancestry

Ancestry	Count	%
Italian	1,319	21%
French	558	8.9%
Arab	435	6.9%

Ancestry	Count	%
German	78	1.2%
English	67	1.1%
Polish	56	0.9%

Technology access

Metric	% of households
Computer access	42.7%
Internet access	86.6%

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

Frequently asked questions about ZIP code 52310

What city is ZIP code 52310 in?

ZIP code 52310 is primarily assigned to Monticello, Iowa.

What county is ZIP code 52310 in?

ZIP code 52310 falls within Jones County, Iowa.

What is the typical home value in ZIP code 52310?

The median home value in ZIP code 52310 is $170,000.

What is the population of ZIP code 52310?

ZIP code 52310 has an estimated population of 6,286 residents, with a density of 43 people per square mile.

What is the median household income in ZIP code 52310?

The median household income in ZIP code 52310 is $70,028, below the national median of ~$75,000.

What timezone is ZIP code 52310 in?

ZIP code 52310 observes the CST timezone.