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Grangeon LagnieuPhoto: LucasD · CC BY-SA 4.0
BSafety Grade
Safety in Lagnieu · SSMSI, 2023–2025

Lagnieu stands out for theft of vehicle parts: 7.7 times the rate of a typical town its size

It has less violent crime than 80% of compared French towns, but less burglary, vehicle theft and damage than only 47%. Lagnieu’s overall Safety Grade is B (#21 of 53 in Ain): less crime per resident than 63% of compared French towns, on offenses police and gendarmerie recorded from 2023 to 2025. The graded rate fell 10% from 2023 to 2025. Violence and property crime split as 4.3 violent crimes and 14.3 incidents of burglary, vehicle theft and damage per 1,000 residents a year.

Violence
4.3
recorded per 1,000 residents a year · in the grade
Burglary, vehicle theft, damage
14.3
burglaries, vehicle thefts, thefts from vehicles, criminal damage · in the grade
Theft and fraud
10.6
theft without violence, fraud, per 1,000 residents a year · Not in the grade
Drug use
1.4
recorded offenses per 1,000 residents a year · Not in the grade

Offenses recorded per 1,000 residents a year, 2023–2025 average (INSEE population of each year). Violence, and burglaries, vehicle thefts, thefts from vehicles and criminal damage, count equally.

What stands out · In brief

What stands out about safety in Lagnieu

Burglary fell sharply

Police and gendarmerie recorded 22 cases of burglary in Lagnieu in 2023 and 13 in 2025. Small counts swing from year to year; the grade averages the three years. Year by year ↓

Less violence than burglary, vehicle theft and damage

Lagnieu recorded an average of 4.3 violent incidents per 1,000 residents a year, 2023–2025, fewer than in 80% of compared French towns, and 14.3 burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage, fewer than in 47%. Safety Grade ↓

Among towns its size

Among the 1,106 French towns of 5,200 to 10,000 people with a Safety Grade, Lagnieu is 380th from the lowest recorded rate per resident. Towns its size ↓

Written from the SSMSI and INSEE data on this page. Figures are offenses police and gendarmerie recorded, not convictions.

Safety Grade

Inside Lagnieu’s B for safety

Violence: physical, sexual, armed robbery (4.3 per 1,000 residents a year, 2023–2025 average)Lower rate than in 80% of compared French towns
Burglary, vehicle theft and damage (14.3 per 1,000 residents a year, 2023–2025 average)Lower rate than in 47% of compared French towns
BB+

A fairly firm grade. Built on 413 offenses recorded in the graded categories over three years; with a town of 7,411, a few cases more or fewer would move it between B and B+.

Hidden counts: for armed robbery, this figure isn’t published when it’s small (five or fewer in at least one of the last three years); the index uses the département’s average instead, 0.5% of the index here. What isn’t published ↓

Per resident, against the 4,295 compared French towns with a Safety Grade.

By type

What police and gendarmerie recorded most in 2025

Criminal damage6.9
Fraud6.3
Theft without violence4.2
Theft of vehicle parts3.4
Vehicle theft3
Theft from vehicles2.2
Family violence2
Burglary1.8
Drug use1.5
Sexual violence1.3
Other physical violence0.8
ViolenceBurglary, vehicle theft, damageNot in the gradeMedian of towns its size

Well above the median of towns its size: theft of vehicle parts (3.4 per 1,000 against 0.4), vehicle theft (3 per 1,000 against 0.7) and theft from vehicles (2.2 per 1,000 against 1.2). Not published for 2025: armed robbery, robbery without a weapon and drug dealing.

Theft without violence, robbery without a weapon, theft of vehicle parts, fraud and drug offenses are shown for information but left out of the Safety Grade, which counts violence plus burglaries, vehicle thefts, thefts from vehicles and criminal damage per resident.

Per 1,000 residents in 2025; the tick is the median of the graded French towns of 2,500 to 10,000.

Year by year

Lagnieu, year by year

Violence · per 1,000 residents

20234.3
20244.4
20254.3

Burglary, vehicle theft, damage · per 1,000 residents

202315.8
202413.5
202513.8
KindIn the grade202320242025
Family violenceViolence121415
Other physical violenceViolence12136
Sexual violenceViolence7510
Armed robberyViolencen.p.n.p.n.p.
BurglaryBurglary, vehicle theft, damage221613
Vehicle theftBurglary, vehicle theft, damage293022
Theft from vehiclesBurglary, vehicle theft, damage17616
Criminal damageBurglary, vehicle theft, damage494851
Theft without violenceNot in the grade254531
Robbery without a weaponNot in the graden.p.n.p.n.p.
Theft of vehicle partsNot in the grade71525
FraudNot in the grade414647
Drug useNot in the grade14711
Drug dealingNot in the grade0n.p.n.p.

Counts mix units, as SSMSI publishes them: victims for violence, offenses for burglary and damage, vehicles for vehicle theft. That’s why the page never adds them into one “total crimes”.

Offenses recorded each year. n.p.: not published (small: five or fewer in at least one of the last three years).

Towns its size

380th of 1,106: Lagnieu among towns its size

#TownPeopleViolenceHomes, vehiclesSafety
1Mouguerre Pyrénées-Atlantiques5,4280.85.5A+
…
133Cessy Ain5,8324.29.7A
…
192Reyrieux Ain5,3582.612.8A−
…
377Grenade Haute-Garonne9,0626.312.3B
378Guénange Moselle8,0836.811.8B
379Wintzenheim Haut-Rhin8,0597.411.2B
380Lagnieu Ain7,4114.314.3B
381Le Crès Hérault9,226513.7B
382Ille-sur-Têt Pyrénées-Orientales5,5566.512.2B
383Lempdes Puy-de-Dôme8,7094.214.5B
…
396Péronnas Ain6,4445.313.6B
…
403Saint-Denis-lès-Bourg Ain6,1604.214.8B
…
1106Rungis Val-de-Marne5,61119.344.6D−

Per 1,000 residents a year. Context only: the grade compares Lagnieu with every compared French town, not just towns its size.

Lowest rate in the graded categories first, 2023–2025 average, with the closest to Lagnieu and up to four from Ain.

For every 1,000 residents

Crime in Lagnieu per 1,000 residents

ViolenceBurglary, vehicle theft, damageTheft and fraud (not in the grade)
4
recorded violent incidents
14
burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage
11
thefts without violence and frauds
29
of the three together

Each dot is one resident’s share: offenses are counted, not victims, and one person can be the victim of several.

And 14 burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage, and 11 thefts without violence and frauds: a year, 2023–2025 average.

What isn’t published

1 kind of crime isn’t published for Lagnieu

Share of the index resting on Ain averages0.5% · limit 25%

Over 25%, no Safety Grade; over 10%, the grade says it is less certain.

SSMSI doesn’t publish a commune’s count when it’s small (five or fewer in at least one of the last three years), and publishes instead the average among the Ain communes whose count is hidden. That average stands in for Lagnieu’s hidden cells, never a zero; here it is 0.5% of the index, so the grade rests on Lagnieu’s own figures.

Hidden for LagnieuYearsAin average
Armed robbery2023–20250.7 · 0.6 · 0.7

The counts SSMSI keeps back for Lagnieu, and what the grade uses in their place.

Neighbors

Lagnieu and the towns around it

ABCDNot graded
TownPeopleViolenceHomes, vehiclesSafety
Lagnieu7,4114.314.3B
Ambérieu-en-Bugey15,93411.918.5C−
Villieu-Loyes-Mollon3,8498.515.4C+
Montalieu-Vercieu Isère3,51010.321.7C−
Meximieux8,2477.816.2C+
Ambronay2,8412.518.1B−
Saint-Maurice-de-Gourdans2,903—1—1—1

1 Not graded: over 25% of the index would rest on département averages, where SSMSI doesn’t publish small counts.

Lagnieu’s recorded rate in the graded categories is lower than each of its 5 graded neighbors’.

The nearest towns of 2,500 or more, per 1,000 residents a year, 2023–2025 average.

How to read these numbers

What this data can and can’t tell you

  • Where offenses happen, not where victims live. SSMSI counts each offense in the commune where police or gendarmerie recorded it happening. Towns with shops, stations, a hospital or nightlife record more per resident, and visitors are part of that count but not of the population it is divided by.
  • An index, not a total. The kinds are counted in different units (victims, offenses, vehicles), so the grade adds their rates per 1,000 residents into an index and never shows a “total crimes” or a chance of being a victim.
  • Hidden counts. SSMSI doesn’t publish a commune’s count when it’s small (five or fewer in at least one of the last three years). In its place it gives the average among the département’s communes whose count is hidden; the grade uses that average, never zero, and a town gets no Safety Grade when over a quarter of its index would come from such averages.
  • Recorded, not all crime. Only offenses reported to or found by police and gendarmerie are counted. Reporting rates differ by kind: most vehicle thefts are reported, much family and sexual violence isn’t.

How the Safety Grade works in France →

Questions about safety in Lagnieu

Is Lagnieu safe?

It has less crime per resident than 63% of compared French towns: an average of 4.3 recorded violent incidents and 14.3 recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025. It grades B for safety, #21 of 53 in Ain. Among the 1,106 French towns of 5,200 to 10,000 people, it is 380th from the lowest rate.

Is crime going up in Lagnieu?

The recorded rate in the graded categories fell 10% from 2023 to 2025: 20.1 per 1,000 residents in 2023, 18 in 2025. In a town this size a few dozen cases move the figure, so the grade uses the three-year average.

What is the most common recorded offense in Lagnieu?

Criminal damage: 51 in 2025. Then fraud (47), theft without violence (31) and theft of vehicle parts (25).

Sources: SSMSI (Interior Ministry), recorded crime by commune, 2023–2025 (base communale de la délinquance enregistrée, 2026 edition) · INSEE, legal populations for each year · INSEE, census 2023 (jobs and working residents) · IGN Admin Express (boundaries) · TownRatings grades: our own summary of the data, ranking French towns against each other only, updated October 30, 2026. Under the Licence Ouverte / Open Licence 2.0 (Etalab).

Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.