Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/IL/TWIN-GROVE

Twin Grove ZIP codes, Illinois

No ZIP code is named for Twin Grove, IL; addresses there use a neighbouring town's name. The ZIP code covering it is 61705. Its area code is 309.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
1,458
Area code
309

NANPA lists no telephone rate centre for Twin Grove itself, so these are the area codes of the nearest one, Bloomington (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Twin Grove in numbers

About 1,458 people live in Twin Grove, in 558 households. The median household income is $116,250 a year, 39% above the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $264,800 (about the same as the Illinois median). The median age is 49.4; 59.7% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 23 minutes.

Population1,458Twin Grove1,458
Households558Twin Grove558
Median age49.4Twin Grove49.4Illinois39.0US 38.9
Median household income$116,250Twin Grove$116,250Illinois$83,390US $80,734
Median home value$264,800Twin Grove$264,800Illinois$263,300US $332,700
Bachelor's degree or higher59.7%Twin Grove59.7%Illinois37.8%US 35.7%
Mean commute23.2 minTwin Grove23.2 minIllinois27.8 minUS 26.4 min
Population density368 / sq miTwin Grove368 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Twin Grove CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Twin Grove

These ZIP codes cover part of Twin Grove but are addressed as somewhere else.

ZIP codes overlapping Twin Grove
ZIP City Type Population Median income Median home
61705 Bloomington , IL Standard 13,213 $120,547 $328,200

Map of Twin Grove ZIP codes

61705

The ZIP codes of Twin Grove, IL, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Twin Grove

The nearest larger towns are Normal (53,569 people, 6.4 mi), Bloomington (78,907 people, 6.9 mi) and Hudson (1,918 people, 11 mi).

Towns near Twin Grove
TownPopulationDistance
Normal 53,569 6.4 mi
Bloomington 78,907 6.9 mi
Heyworth 2,573 12.8 mi
El Paso 2,917 18.6 mi
Eureka 5,007 18.6 mi
Le Roy 3,236 20.4 mi
Morton 16,595 21.3 mi
Washington 15,919 23.4 mi
Clinton 6,985 24.1 mi
Metamora 4,159 25.9 mi
East Peoria 22,324 26.7 mi
Lincoln 13,281 26.8 mi
Germantown Hills 3,436 27.6 mi
Pekin 31,781 28.2 mi

More nearby: every ZIP code in McLean County · Illinois ZIP codes

Cite this page

zipcodes.pro. “Twin Grove, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/twin-grove

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