52309 ZIP Code, Monmouth, IA

52309 is a ZIP code in Monmouth, Iowa — mostly in Jackson County (72% of its land), with smaller parts in Jones County. It covers 34 square miles of land. The closest ZIP codes are 52207, 52321 and 52362. 443 people live here in 190 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (88%). Median household income is $56,250, below the Iowa median of $75,059; the median age is 56.3, older than most ZIP codes.

Quick facts

Key figures

MeasureValue
Residents443
Households190
Median household income$56,250
Income per person$35,001
Median age56.3
Homeowners87.9%
Median home value$155,400
Median rentnot published
Bachelor's degree or higher14.3%
Average commute (minutes)27.5
Households with kids under 1822.1%
Moved in the past year0.0%
Below the poverty line13.5%
Broadband internet92.6%
Speak a non-English language at home0.0%

Household income

% of householdsValue
<$10K0.0%
$10–15K1.6%
$15–25K26.3%
$25–35K2.1%
$35–50K11.6%
$50–75K17.4%
$75–100K7.9%
$100–150K22.1%
$150–200K9.5%
$200K+1.6%

Age

% of all residentsValue
<1017.6%
10–193.2%
20–243.6%
25–347.4%
35–447.2%
45–547.2%
55–6422.5%
65–7421.7%
75+9.5%

Tenure

% of housing unitsValue
Owned, with mortgage42.1%
Owned outright45.8%
Rented12.1%
Vacant0.0%

Type of building

% of housing unitsValue
Detached house82.6%
Townhome0.0%
2–4 units0.0%
5–19 units0.0%
20+ units0.0%
Mobile / other17.4%

Businesses in 52309

4 business establishments with 18 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 52309 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 52309

Mail every home in 52309

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 52309, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 52309 in?
52309 is a Monmouth, IA mailing address. By land area, 2% lies inside Monmouth; the rest is outside any Census-defined city or community.
What county is 52309 in?
52309 is mostly in Jackson County (72% of its land), with smaller parts in Jones County.
What is the population of 52309?
About 443 people (±185), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 419.
What is the median household income in 52309?
$56,250 (±$39,898), compared with $75,059 for Iowa as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 52309?
EDDM2GO's stored route library does not include 52309 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 52309?
The closest, measured center to center: 52207 (4 mi, Baldwin), 52321 (4.9 mi, Onslow), 52362 (7.8 mi, Wyoming), 52212 (10.5 mi, Center Junction), 52323 (10.7 mi, Oxford Junction) and 52060 (10.9 mi, Maquoketa).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.