Total population25,290people
Households14,827households
Average age57.2yrs
Sex ratioMale13,136peopleFemale12,154people51.9%48.1%
Population change
Change over time
4-year trendUnit: people
26,534 in 202225,290 in 2026
Down 4.7% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in175people
Moved out165people
Net migration10people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Jeonju-si | 75 |
| Wanju-gun | 6 |
| Namwon-si | 5 |
| Cheongju-si, Chungcheongbuk-do | 4 |
| Cheorwon-gun, Gangwon | 4 |
Top destinations
Unit: people
Inflows exceeded outflows in 11 of the past 12 months, for a net gain of 306.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 13,136Female 12,154
Age structure
Unit: %
Youth 6.4%Working age 50.1%Seniors 43.5%
60s is the largest group, at 5,792 people.
Population ranking
Population by region
As of September 2026- YoungestImsil-eup48.3 yrs
- OldestSamgye-myeon64.1 yrs
| Region | Share | ||
|---|---|---|---|
| Imsil-eup | 7,050 | 27.9% | 48.3 yrs |
| Osu-myeon | 3,341 | 13.2% | 59.8 yrs |
| Gwanchon-myeon | 2,994 | 11.8% | 57.9 yrs |
| Seongsu-myeon | 1,541 | 6.1% | 61.5 yrs |
| Unam-myeon | 1,529 | 6% | 60.3 yrs |
| Samgye-myeon | 1,380 | 5.5% | 64.1 yrs |
| Gangjin-myeon | 1,379 | 5.5% | 61.2 yrs |
| Sinpyeong-myeon | 1,360 | 5.4% | 61.1 yrs |
| Sindeok-myeon | 1,248 | 4.9% | 62 yrs |
| Cheongung-myeon | 1,216 | 4.8% | 62.2 yrs |
| Jisa-myeon | 1,162 | 4.6% | 59.6 yrs |
| Deokchi-myeon | 1,090 | 4.3% | 62.6 yrs |
The top three areas hold 52.9% of the population of Imsil-gun, Jeonbuk-do.
Frequently asked questionsβ
Imsil-gun, Jeonbuk-do has 25,290 residents as of September 2026., 1 fewer than a year earlier.
Imsil-eup, home to 7,050 residents (27.9% of Imsil-gun, Jeonbuk-do).
It is 57.2 as of September 2026., 11.5 years above the national average of 45.7. Among its towns and townships, Imsil-eup is youngest at 48.3 and Samgye-myeon oldest at 64.1.
It fell 4.7% over 4 years, from 26,534 in 2022 to 25,290 in September 2026.
As of August 2026, the most people moved in from Jeonju-si (75) and the most moved out to Jeonju-si (62). Inflows exceeded outflows in 11 of the past 12 months, for a net gain of 306.
This is resident registration data from Korea's Ministry of the Interior and Safety. Figures are as of the end of September 2026 and are updated monthly. The data is open under KOGL Type 1.
Resident registration counts people at their registered address. The census counts them where they actually live. The gap is widest in university towns and industrial areas, where many people never change their registered address.
Sources π
- Resident registration data, Ministry of the Interior and SafetyKOGL Type 1 Β· as of September 2026 Β· updated monthly
- Internal Migration Statistics, Statistics Korea (KOSIS)KOGL Type 1 Β· as of August 2026 Β· updated monthly